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mondofacto - Online Medical Dictionary
Category: Health and Medicine > Medical Dictionary
Date & country: 26/01/2008, UK
Words: 116197
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decoct1. To prepare by boiling; to digest in hot or boiling water; to extract the strength or flavor of by boiling; to make an infusion of. ... 2. To prepare by the heat of the stomach for assimilation; to digest; to concoct. ... 3. To warm, strengthen, or invigorate, as if by boiling. 'Decoct their cold blood.' ... Origin: L. Decoctus, p. P. Of decoquere t …
decoction1. The act or process of boiling anything in a watery fluid to extract its virtues. 'In decoction . . . It either purgeth at the top or settleth at the bottom.' (Bacon) ... 2. An extract got from a body by boiling it in water. 'If the plant be boiled in water, the strained liquor is called the decoction of the plant.' (Arbuthnot) 'In pharmacy decoct …
decollementRarely used term for surgical separation of tissues or organs which are adherent, either normally or pathologically. ... Origin: Fr. Ungluing ... (05 Mar 2000) ...
decompensationFailure of compensation, cardiac decompensation is marked by dyspnoea, venous engorgement and oedema. ... (18 Nov 1997) ...
decomposition1. The act or process of resolving the constituent parts of a compound body or substance into its elementary parts; separation into constituent part; analysis; the decay or dissolution consequent on the removal or alteration of some of the ingredients of a compound; disintegration; as, the decomposition of wood, rocks, etc. ... 2. The state of being …
decomposition of movementA manifestation of cerebellar disease in which a muscular movement is not carried out smoothly but in a series of component motions. ... (05 Mar 2000) ...
decompoundMore than once compound. ... (09 Oct 1997) ...
decompressionDecompression external to the body, most often the slow lessening of external pressure on the whole body (especially in caisson workers, deep sea divers, and persons who ascend to great heights) to prevent decompression sickness. It includes also sudden accidental decompression, but not surgical (local) decompression or decompression applied throug …
decompression chamber<apparatus> A steel chamber that is used to apply oxygen under pressure to reverse the effects of the bends or to treat other forms of barotrauma. ... Synonym: hyperbaric chamber. ... (27 Sep 1997) ...
decompression diseaseSynonym for decompression sickness ... A disorder characterised by joint pains, respiratory manifestations, skin lesions, and neurologic signs, occurring in aviators flying at high altitudes and following rapid reduction of air pressure in persons who have been breathing compressed air in caissons and diving apparatus. ... (12 Dec 1998) ...
decompression illness<physiology> Also called the bends, this multisystem disorder results when nitrogen bubbles form within the bloodstream and interrupt tissue oxygenation. ... (27 Sep 1997) ...
decompression operationsSynonym for decompression ... Decompression external to the body, most often the slow lessening of external pressure on the whole body (especially in caisson workers, deep sea divers, and persons who ascend to great heights) to prevent decompression sickness. It includes also sudden accidental decompression, but not surgical (local) decompression or …
decompression sicknessA disorder characterised by joint pains, respiratory manifestations, skin lesions, and neurologic signs, occurring in aviators flying at high altitudes and following rapid reduction of air pressure in persons who have been breathing compressed air in caissons and diving apparatus. ... (12 Dec 1998) ...
decompression, explosiveA sudden loss of pressure in a pressurised cabin, cockpit, or the like, so rapid as to be explosive. ... (12 Dec 1998) ...
decompression, surgicalA surgical operation for the relief of pressure in a body compartment or on a body part. ... (12 Dec 1998) ...
decompressive<surgery> Refers to a surgical procedure during which bone, tissue or tumour is removed to lessen intracranial pressure. ... (16 Dec 1997) ...
decongestant<pharmacology> This represents a large group of sympathomimetic medications that act to constrict blood vessels in the nasal passages and reduce congestion or swelling. ... Common medications include pseudoephedrine hydrochloride, phenylpropanolamine, oxymetazoline and phenylephrine. ... Can be delivered as a pH balanced nasal solution. ... (09 …
decongestantsDrugs that shrink the swollen membranes in the nose and make it easier to breath. Decongestants can be taken orally or by nasal spray. Decongestant nasal spray should not be used for more than five days without the doctor s advice, and if so, usually only when accompanied by a nasal steroid. Many decongestant nasal sprays often cause a rebound effe …
decongestiveHaving the property of reducing congestion. ... Synonym: decongestant. ... (05 Mar 2000) ...
decontaminationThe freeing of a person or an object of some contaminating substance such as war gas, radioactive material, etc. ... (12 Dec 1998) ...
deconvolutionA mathematical technique for solutions of functions whose input includes their output; used to solve for the image elements in computed tomography or magnetic resonance imaging. ... Origin: de-+ L. Convulutio, a rolling up, fr. Convolvo, to roll up ... (05 Mar 2000) ...
decoquinate<chemical> A coccidiostat for poultry. ... Pharmacological action: coccidiostats. ... Chemical name: 3-Quinolinecarboxylic acid, 6-(decyloxy)-7-ethoxy-4-hydroxy-, ethyl ester ... (12 Dec 1998) ...
decorin<molecular biology, protein> A small proteoglycan, 90-140 kD, of the extracellular matrix, so called because it decorates collagen fibres. ... The core protein has a mass of approximately 42 kD and is very similar to the core protein of biglycan and fibromodulin. All three have highly conserved sequences containing 10 internal homologous repea …
decorticate reflex<neurology, physiology> Spontaneous flexion of the elbows with the legs extended. Accompanies severe damage to the contralateral cerebral hemisphere above the midbrain (for example stroke). ... The destruction of the cerebral cortex, usually due to anoxia, trauma or toxic insult, may proceed to decerebration (a more severe neurologic state).
decorticate rigidity
A unilateral or bilateral postural change, consisting of the upper extremities flexed and adducted and the lower extremities in rigid extension; due to structural lesions of the thalamus, internal capsule, or cerebral white matter. ... Synonym: decorticate state. ... (05 Mar 2000) ...
decorticate state
Synonym for decorticate rigidity ... A unilateral or bilateral postural change, consisting of the upper extremities flexed and adducted and the lower extremities in rigid extension; due to structural lesions of the thalamus, internal capsule, or cerebral white matter. ... Synonym: decorticate state. ... (05 Mar 2000) ...
decortication
Spontaneous flexion of the elbows with the legs extended. Accompanies severe damage to the contralateral cerebral hemisphere above the midbrain (for example stroke). The destruction of the cerebral cortex, usually due to anoxia, trauma or toxic insult, may proceed to decerebration (a more severe neurologic state). ... (27 Sep 1997) ...
decorum
<psychology> Propriety and good taste especially in conduct, manners or appearance. ... (18 Nov 1997) ...
decoupling
A regulatory design that breaks the link between utility revenues and energy sales to encourage utility investment in conservation. ... (05 Dec 1998) ...
decoy
To lead into danger by artifice; to lure into a net or snare; to entrap; to insnare; to allure; to entice; as, to decoy troops into an ambush; to decoy ducks into a net. 'Did to a lonely cot his steps decoy.' (Thomson) 'E'en while fashion's brightest arts decoy, The heart, distrusting, asks if this be joy.' (Goldsmith) ... Synonym: To entice, tempt, …
decoy cells
Benign exfoliated epithelial cell's with pyknotic nuclei seen in urinary infections; may be mistaken for malignant cell's. ... (05 Mar 2000) ...
decrease
To grow less, opposed to increase; to be diminished gradually, in size, degree, number, duration, etc, or in strength, quality, or excellence; as, they days decrease in length from June to December. 'He must increase, but I must decrease.' (John III. 30) ... Synonym: To Decrease, Diminish. ... Things usually decrease or fall off by degrees, and from …
decree
1. An order from one having authority, deciding what is to be done by a subordinate; also, a determination by one having power, deciding what is to be done or to take place; edict, law; authoritative ru decision. 'The decrees of Venice.' 'There went out a decree from Caesar Augustus that all the world should be taxed.' (Luke II. 1) 'Poor hand, why …
decrement
1. The state of becoming gradually less; decrease; diminution; waste; loss. 'Twit me with the decrements of my pendants.' (Ford) 'Rocks, mountains, and the other elevations of the earth suffer a continual decrement.' (Woodward) ... 2. The quantity lost by gradual diminution or waste; opposed to increment. ... 3. <chemistry> A name given by Hauy …
decremental conduction
Impaired conduction in a portion of a fibre because of progressively lessening response of the unexcited portion of the fibre to the action potential coming toward it; it is manifested by decreasing speed of conduction, amplitude of action potential, and extent of spread of the impulse. ... (05 Mar 2000) ...
decrepitation
Crackling; the snapping of certain salts when heated. ... Origin: L. De, from, + crepo, pp. Crepitus, to crackle ... (05 Mar 2000) ...
decretal
1. An authoritative order or decree; especially, a letter of the pope, determining some point or question in ecclesiastical law. The decretals form the second part of the canon law. ... 2. The collection of ecclesiastical decrees and decisions made, by order of Gregory IX, in 1234, by St. Raymond of Pennafort. ... Origin: LL. Decretale, neut. Of L. D …
decrudescence
Abatement of the symptoms of disease. ... Origin: L. De, from, + crudesco, to become worse, fr. Crudus, crude ... (05 Mar 2000) ...
decubation
Rarely used term for the final period of an infectious disease from the disappearance of the specific symptoms to complete restoration of health and the end of the infectious period. ... Origin: L. De, from, + cubo, to lie down ... (05 Mar 2000) ...
decubital
Relating to a decubitus ulcer. ... (05 Mar 2000) ...
decubital gangrene
<dermatology> A chronic ulcer that appears in pressure areas in debilitated patients confined to bed or otherwise immobilised, due to a circulatory defect from the enhanced tissue pressure in high-contact areas, often occurring over a bony prominence (for example sacral decubitus). ... (27 Sep 1997) ...
decubitus
<anatomy> An act of lying down, also the position assumed in lying down. ... (18 Nov 1997) ...
decubitus film
A radiograph exposed with the subject in the decubitus position; named for the side that is dependent. ... Synonym: right or left lateral decubitus film. ... (05 Mar 2000) ...
decubitus radiograph
A radiograph of a recumbent subject on his side, made in the frontal projection with a horizontal X-ray beam. ... Synonym: lateral decubitus radiograph. ... (05 Mar 2000) ...
decubitus ulcer
<dermatology> A chronic ulcer that appears in pressure areas in debilitated patients confined to bed or otherwise immobilised, due to a circulatory defect from the enhanced tissue pressure in high-contact areas, often occurring over a bony prominence (for example sacral decubitus). ... (27 Sep 1997) ...
decumbent
Spreading horizontally but then growing upwards. ... (09 Oct 1997) ...
decurrent
Extending downwards beyond the point of insertion. ... (09 Oct 1997) ...
decussate
In pairs, with successive pairs borne at right angles to each other. ... (09 Oct 1997) ...
decussatio
1. In general, any crossing over or intersection of parts. ... 2. The intercrossing of two homonymous fibre bundles as each crosses over to the opposite side of the brain in the course of its ascent or descent through the brainstem or spinal cord. ... Synonym: decussation. ... Origin: L. (see decussate) ... (05 Mar 2000) ...
decussatio brachii conjunctivi
Synonym for decussation of superior cerebellar peduncles ... The decussation of the left and right superior cerebellar peduncles in the tegmentum of the caudal mesencephalon. ... Synonym: decussatio pedunculorum cerebellarium superiorum, decussatio brachii conjunctivi, decussation of brachia conjunctiva, Wernekinck's decussation. ... (05 Mar 2000) ...
decussatio fontinalis
See: decussationes tegmenti. ... (05 Mar 2000) ...
decussatio lemniscorum
Synonym for decussation of medial lemniscus ... The intercrossing of the fibres of the left and right medial lemniscus ascending from the gracile and cuneate nuclei, immediately rostral to the level of the decussation of the pyramidal tracts in the medulla oblongata. ... Synonym: decussatio lemniscorum, decussatio sensoria, decussation of the fillet, …
decussatio motoria
An alternate term for pyramidal decussation. ... (05 Mar 2000) ...
decussatio nervorum trochlearium
Synonym for decussation of trochlear nerves ... The crossing of the two trochlear nerves at their exit through the velum medullare anterius. ... Synonym: decussatio nervorum trochlearium. ... (05 Mar 2000) ...
decussatio pyramidum
Synonym for pyramidal decussation ... The intercrossing of the bundles of the pyramidal tracts at the lower border region of the medulla oblongata. ... Synonym: decussatio pyramidum, decussatio motoria, motor decussation. ... (05 Mar 2000) ...
decussatio sensoria
An alternate term for decussation of medial lemniscus. ... (05 Mar 2000) ...
decussation of brachia conjunctiva
Synonym for decussation of superior cerebellar peduncles ... The decussation of the left and right superior cerebellar peduncles in the tegmentum of the caudal mesencephalon. ... Synonym: decussatio pedunculorum cerebellarium superiorum, decussatio brachii conjunctivi, decussation of brachia conjunctiva, Wernekinck's decussation. ... (05 Mar 2000) ...
decussation of medial lemniscus
The intercrossing of the fibres of the left and right medial lemniscus ascending from the gracile and cuneate nuclei, immediately rostral to the level of the decussation of the pyramidal tracts in the medulla oblongata. ... Synonym: decussatio lemniscorum, decussatio sensoria, decussation of the fillet, sensory decussation of medulla oblongata. ... ( …
decussation of the fillet
Synonym for decussation of medial lemniscus ... The intercrossing of the fibres of the left and right medial lemniscus ascending from the gracile and cuneate nuclei, immediately rostral to the level of the decussation of the pyramidal tracts in the medulla oblongata. ... Synonym: decussatio lemniscorum, decussatio sensoria, decussation of the fillet, …
decussation of trochlear nerves
The crossing of the two trochlear nerves at their exit through the velum medullare anterius. ... Synonym: decussatio nervorum trochlearium. ... (05 Mar 2000) ...
decussationes
Plural of decussatio. ... (05 Mar 2000) ...
dedentition
An obsolete term denoting loss of teeth. ... (05 Mar 2000) ...
dedifferentiate
<cell biology> A mature cell returning to a less mature state. ... See: differentiate, undifferentiated. ... (16 Dec 1997) ...
dedifferentiation
<cell biology> Loss of differentiated characteristics. ... In plants, most cells, including the highly differentiated haploid microspores (immature pollen cells) of angiosperms, can lose their differentiatiated features and give rise to a whole plant. ... In animals this is less certain and there is still controversy as to whether the undiffere …
dedolation
A slicing wound made by a sharp instrument grazing the surface. ... Origin: L. De-dolo, pp. -atus, to hew away ... (05 Mar 2000) ...
deductibles and coinsurance
Cost-sharing mechanisms that provide for payment by the insured of some portion of covered expenses. Deductibles are the amounts paid by the insured under a health insurance contract before benefits become payable; coinsurance is the provision under which the insured pays part of the medical bill, usually according to a fixed percentage, when benef …
deduction
The logical derivation of a conclusion from certain premises. The conclusion will be true if the premises are true and the deductive argument is valid. ... Compare: induction . ... (05 Mar 2000) ...
deed
1. That which is done or effected by a responsible agent; an act; an action; a thing done; a word of extensive application, including, whatever is done, good or bad, great or small. 'And Joseph said to them, What deed is this which ye have done?' (Gen. Xliv. 15) 'We receive the due reward of our deeds.' (Luke xxiii. 41) 'Would serve his kind in dee …
deem
1. To decide; to judge; to sentence; to condemn. 'Claudius . . . Was demed for to hang upon a tree.' (Chaucer) ... 2. To account; to esteem; to think; to judge; to hold in opinion; to regard. 'For never can I deem him less him less than god.' (Dryden) ... Origin: OE. Demen to judge, condemn, AS. Dman, fr. Dm doom; akin to OFries. Dma, OS. Admian, D. …
deep
1. Extending far below the surface; of great perpendicular dimension (measured from the surface downward, and distinguished from high, which is measured upward); far to the bottom; having a certain depth; as, a deep sea. 'The water where the brook is deep.' (Shak) ... 2. Extending far back from the front or outer part; of great horizontal dimension …
deep abdominal reflexes
Contraction of abdominal muscles elicited by stimulation, such as tapping a deep structure; e.g., the costal margin. ... See: Galant's reflex, upper abdominal periosteal reflex. ... (05 Mar 2000) ...
deep artery of clitoris
The deep terminal branch of the internal pudendal artery in the female; it supplies the crus of the clitoris. ... Synonym: arteria profunda clitoridis. ... (05 Mar 2000) ...
deep artery of penis
Origin, terminal branch (with dorsal artery of penis) of the internal pudendal artery; distribution, corpus cavernosum of the penis via capillary beds and via helcine arteries and arteriovenous anastomoses to produce erection. ... Synonym: arteria profunda penis. ... (05 Mar 2000) ...
deep artery of thigh
Synonym for profunda femoris artery ... <anatomy, artery> Origin, femoral; branches, lateral circumflex femoral, medial circumflex femoral, terminating in three or four perforating arteries. ... Synonym: arteria profunda femoris, deep artery of thigh. ... (05 Mar 2000) ...
deep artery of tongue
Synonym for deep lingual artery ... <anatomy, artery> Termination of lingual artery, distribution, muscles and mucous membrane of under surface of tongue. ... Synonym: arteria profunda linguae, arteria ranina, deep artery of tongue, ranine artery. ... (05 Mar 2000) ...
deep auricular artery
<anatomy, artery> Origin, first part of maxillary; distribution, articulation of jaw, parotid gland, and external acoustic meatus and external tympanic membrane; anastomoses, auricular branches of superficial temporal and posterior auricular. ... Synonym: arteria auricularis profunda. ... (05 Mar 2000) ...
deep bite
<dentistry> Excessive overbite, closed bite. ... (08 Jan 1998) ...
deep brachial artery
Synonym for profunda brachii artery ... <anatomy, artery> Origin, brachial; distribution, humerus and muscles and integument of arm; anastomoses, posterior circumflex humeral, radial recurrent, recurrent interosseous, ulnar collateral, i.e., articular vascular network of elbow. ... Synonym: arteria profunda brachii, deep brachial artery. ... (05 …
deep branch
Branch which passes deeply, beneath, or farther from surface; usually in contrast to a superficial branch. ... Synonym: ramus profundus. ... (05 Mar 2000) ...
deep branch of the radial nerve
Synonym for posterior interosseous nerve ... <anatomy, nerve> The deep terminal branch of the radial nerve, arises in the cubital region, penetrating and supplying the supinator and continuing with the posterior interosseous artery to supply all the extensor muscles in the forearm. ... Synonym: nervus interosseus posterior, nervus antebrachii p …
deep branch of the ulnar nerve
<anatomy, nerve> Accompanies deep palmar branch of ulnar artery and deep palmar arch to supply wrist joint, lumbricals 3 & 4, palmar and dorsal interossei adductor pollicis and deep head of flexor pollicis brevis muscles. ... Synonym: ramus profundus nervi ulnaris. ... (05 Mar 2000) ...
deep cardiac plexus
The deeper part of the cardiac plexus. ... Synonym: plexus cardiacus profundus. ... (05 Mar 2000) ...
deep cell
<embryology> Cells (blastomeres) in the teleost blastula that lie between the outer cell layer and the yolk syncytial layer and are the cells from which the embryo proper is constructed during gastrulation, much studied in the fish, Fundulus. ... (18 Nov 1997) ...
deep cerebral veins
The numerous veins draining the deep structures of the cerebral hemispheres; they empty into the tributaries of the great cerebral vein. ... Synonym: venae cerebri profundae. ... (05 Mar 2000) ...
deep cervical artery
<anatomy, artery> Origin, terminal branch of costocervical trunk (along with superior intercostal artery); distribution, posterior deep muscles of neck; anastomoses, branches of occipital, ascending cervical, and vertebral. ... Synonym: arteria cervicalis profunda. ... (05 Mar 2000) ...
deep cervical fascia
Fascia of the neck; it is divided into an external or investing layer (superficial lamina) that surrounds the neck and encloses the trapezius and sternocleidomastoid muscles, a middle or pretracheal layer in relation to the infrahyoid muscles, and a deep or prevertebral layer applied to the vertebrae and axial muscles. ... Synonym: fascia cervicalis …
deep cervical vein
<anatomy, vein> Large vein running with the artery of the same name between the semispinalis capitis and semispinalis cervicis draining the deep muscles at the back of the neck and emptying into the brachiocephalic or the vertebral vein. ... Synonym: vena cervicalis profunda. ... (05 Mar 2000) ...
deep circumflex iliac artery
<anatomy, artery> Origin, external iliac; distribution, muscles and skin of lower abdomen, sartorius and tensor fasciae latae; anastomoses, lumbar, inferior epigastric, superior gluteal, iliolumbar, and superficial circumflex iliac. ... Synonym: arteria circumflexa iliaca profunda. ... (05 Mar 2000) ...
deep circumflex iliac vein
<anatomy, vein> Corresponds to the artery of the same name, and empties, near or in a common trunk with the inferior epigastric vein, into the external iliac vein. ... Synonym: vena circumflexa iliaca profunda. ... (05 Mar 2000) ...
deep cortex
Synonym for paracortex ... <anatomy> Mid cortical region of lymph node, area that is particularly depleted of T lymphocytes in thymectomised animals and is referred to as the thymus dependent area. ... (18 Nov 1997) ...
deep crural arch
Synonym for iliopubic tract ... Thickened inferior margin of the transversalis fascia seen as a fibrous band running parallel and posterior (deep) to the inguinal ligament, contributing to the posterior wall of the inguinal canal as it bridges the external iliac-femoral vessels from the iliopectineal arch to the superior pubic ramus. It marks the in …
deep dorsal sacrococcygeal ligament
<anatomy> The continuation of the posterior longitudinal ligament uniting the sacrum and coccyx. ... Synonym: ligamentum sacrococcygeum posterius profundum, deep posterior sacrococcygeal ligament. ... (05 Mar 2000) ...
deep dorsal vein of clitoris
A tributary of the vesical venous plexus; it runs a course deep to the fascia on the dorsum of the clitoris. ... Synonym: vena dorsalis clitoridis profunda. ... (05 Mar 2000) ...
deep dorsal vein of penis
A vein on the dorsum of the penis deep to the fascia of the penis; it is a tributary to the prostatic venous plexus. ... Synonym: vena dorsalis penis profunda. ... (05 Mar 2000) ...
deep epigastric artery
Synonym for inferior epigastric artery ... <anatomy, artery> Origin, external iliac; branches, cremasteric, muscular and pubic; anastomoses, superior epigastric, obturator. With overlying peritoneum, forms lateral umbilical ligament and forms a basis for distinguishing types of inguinal herniae: direct hernias pass medial to the artery; indire …
deep epigastric vein
Synonym for inferior epigastric vein ... <anatomy, vein> Corresponds to the artery of the same name and empties into the external iliac vein just proximal to the inguinal ligament. ... Synonym: vena epigastrica inferior, deep epigastric vein. ... (05 Mar 2000) ...
deep facial vein
<anatomy, vein> The communicating vein that passes from the pterygoid venous plexus of the infratemporal fossa to the facial vein; it is devoid of valves. ... Synonym: vena faciei profunda. ... (05 Mar 2000) ...
deep fascia
A thin fibrous membrane, devoid of fat, that invests the muscles, separating the several groups and the individual muscles, forms sheaths for the nerves and vessels, becomes specialised around the joints to form or strengthen ligaments, envelops various organs and glands, and binds all the structures together into a firm compact mass. ... Synonym: f …
deep fascia of arm
Synonym for brachial fascia ... The deep fascia of the arm; it is continuous proximally with the pectoral fascia and the fascia covering the deltoid; distally it is continuous with the antebrachial fascia. ... Synonym: fascia brachii, deep fascia of arm. ... (05 Mar 2000) ...
deep fascia of forearm
Synonym for antebrachial fascia ... It is continuous with the brachial fascia; in the region of the wrist it forms two thickened bands, the extensor and flexor retinacula. ... Synonym: fascia antebrachii, deep fascia of forearm, fascia of forearm. ... (05 Mar 2000) ...
