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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

palatum osseum
Synonym for bony palate ... A concave elliptical bony plate, constituting the roof of the oral cavity, formed of the palatine process of the maxilla and the horizontal plate of the palatine bone on either side. ... Synonym: palatum osseum. ... (05 Mar 2000) ...

palau
A republic consisting of a group of about 100 islands and islets in the western pacific ocean. Its capital is koror. Under spain it was administered as a part of the caroline islands but was sold to germany in 1899. Seised by japan in 1914, it was taken by the allies in world war II in 1944. In 1947 it became part of the u.s. Trust territory of the …

pale globe
Synonym for globus pallidus ... The representation of the phylogenetically oldest part of the corpus striatum called the paleostriatum. It forms the smaller, more medial part of the lentiform nucleus. ... (12 Dec 1998) ...

pale hypertension
Hypertension with pallor of the skin, a severe form with pronounced constriction of peripheral vessels. ... (05 Mar 2000) ...

pale infarct
Synonym for anaemic infarct ... An infarct in which little or no bleeding into tissue spaces occurs when the blood supply is obstructed. ... Synonym: pale infarct, white infarct. ... (05 Mar 2000) ...

pale thrombus
Synonym for white thrombus ... A thrombus of opaque dull white colour composed essentially of blood platelets. ... Synonym: pale thrombus. ... (05 Mar 2000) ...

palea
<botany> In a grass floret, the upper one of the two bracts enclosing a flower. ... (09 Oct 1997) ...

paleencephalon
L. Edinger's term for the metameric nervous system. Excludes cerebral cortex. ... Origin: paleo-+ G. Enkephalos, brain ... (05 Mar 2000) ...

paleo-
<prefix> A combining form meaning old, ancient; as, palearctic, paleontology, paleothere, paleography. ... Alternative forms: palaeo-. ... Origin: Gr, adj. ... (29 Oct 1998) ...

paleocerebellum
Phylogenetic term referring to the portion of the cerebellum including most of the vermis and the adjacent zones of the cerebellar hemispheres rostral to the primary fissure; paleocerebellum is equated with the anterior lobe and corresponds to the zone of distribution of the spinocerebellar tracts and is sometimes called spinocerebellum; in phyloge …

paleocortex
The phylogenetically oldest part of the cortical mantle of the cerebral hemisphere, represented by the olfactory cortex. ... (05 Mar 2000) ...

paleodontology
The study of the teeth of early forms of life through fossil remains. ... (12 Dec 1998) ...

paleography
1. An ancient manner of writing; ancient writings, collectively; as, Punic paleography. ... 2. The study of ancient inscriptions and modes of writing; the art or science of deciphering ancient writings, and determining their origin, period, etc, from external characters; diplomatics. ... Origin: Paleo-: cf. F. Paleographie. ... Source: Websters Dictio …

paleokinetic
Denoting the primitive motor mechanisms underlying muscular reflexes and automatic, stereotyped movements. ... Origin: paleo-+ G. Kinetikos, relating to movement ... (05 Mar 2000) ...

paleontology
<study> The scientific study of extinct organisms through the examination of fossils. ... (09 Oct 1997) ...

paleopathology
The study of disease in prehistoric times as revealed in bones, mummies, and archaeologic artifacts. ... (12 Dec 1998) ...

paleostriatal
Relating to the paleostriatum. ... (05 Mar 2000) ...

paleostriatal syndrome
Synonym for Hunt's syndrome ... <syndrome> An intention tremor beginning in one extremity, gradually increasing in intensity, and subsequently involving other parts of the body. ... Synonym: progressive cerebellar tremor. ... Facial paralysis, otalgia, and herpes zoster resulting from viral infection of the seventh cranial nerve and geniculate g …

paleostriatum
Term denoting the globus pallidus and expressing the hypothesis that this component of the striate body developed earlier in evolution than the 'neostriatum' or striatum (caudate nucleus and putamen) and that it is a diencephalic derivative. ... Origin: paleo-+ L. Striatum ... (05 Mar 2000) ...

paleothalamus
The intralaminar nuclei, believed to have been the earliest components of the thalamus to evolve; they lack reciprocal connections with the isocortex. ... (05 Mar 2000) ...

paleozoology
<study> The science of extinct animals, a branch of paleontology. ... (04 Mar 1998) ...

palette
1. A thin, oval or square board, or tablet, with a thumb hole at one end for holding it, on which a painter lays and mixes his pigments. ... Alternative forms: pallet. ... 2. One of the plates covering the points of junction at the bend of the shoulders and elbows. ... 3. <mechanics> A breastplate for a breast drill. Palette knife, a knife with …

Palfyn
(Palfin) ... Jean, Belgian surgeon and anatomist, 1650-1730. ... See: Palfyn's sinus. ... (05 Mar 2000) ...

Palfyn's sinus
A space within the crista galli of the ethmoid described as communicating with the ethmoidal and frontal sinus's. ... Paranasal sinuses, the paired air-filled cavities in the bones of the face lined by mucous membrane continuous with that of the nasal cavity; these sinus's are the frontal, sphenoidal, maxillary, and ethmoidal. ... Synonym: sinus para …

palikinesia
Palicinesia ... Involuntary repetition of movements. ... Origin: G. Palin, again, + kinesis, movement ... (05 Mar 2000) ...

palilalia
Synonym: paliphrasia. ... Origin: G. Palin, again, + lalia, a form of speech ... (05 Mar 2000) ...

palinal
Moving backward. ... Origin: G. Palin, backward ... (05 Mar 2000) ...

palindrome
<molecular biology> A word or sentence that reads the same backwards as it does forward, such as radar. ... A nucleic acid sequence whose 5'-to-3' sequence is identical on each DNA strand. The sequence is the same when one strand is read left to right and the other strand is read right to left. Recognition sites of many restriction enzymes are …

palindrome in genetics
A palindrome is a word that reads the same in both directions as, for example, the names eve or anna. In genetics, a palindrome is a DNA or RNA sequence that reads the same in both directions. The sites of many restriction enzymes that cut (restrict) DNA are palindromes. Palindromic rheumatism is a form of joint inflammation whereby the joints invo …

palindromia
A relapse or recurrence of a disease. ... Origin: G. Palindromos, a running back, + -ia, condition ... (05 Mar 2000) ...

palindromic
Recurring. ... (05 Mar 2000) ...

palindromic DNA
A segment of DNA in which the sequence is symmetrical about its midpoint. ... (05 Mar 2000) ...

palindromic encephalopathy
A relatively mild form which tends to recur. ... (05 Mar 2000) ...

palindromic sequence
<molecular biology> Nucleic acid sequence that is identical to its complementary strand when each is read in the correct direction (e.g. TGGCCA). Palindromic sequences are often the recognition sites for restriction enzymes. Degenerate palindromes with internal mismatching can lead to loops or hairpins being formed (as in tRNA). ... (18 Nov 19 …

palingenesy
1. A new birth; a re-creation; a regeneration; a continued existence in different manner or form. ... 2. <biology> That form of evolution in which the truly ancestral characters conserved by heredity are reproduced in development; original simple descent; distinguished from kenogenesis. Sometimes, in zoology, the abrupt metamorphosis of insect …

palingenetic
Of or pertaining to palingenesis: as, a palingenetic process. ... (07 May 1998) ...

palinopsia
Abnormal recurring visual hallucinations. ... Origin: G. Palin, again, + opsis, vision ... (05 Mar 2000) ...

paliphrasia
In speech, involuntary repetition of words or sentences. ... See: echolalia. ... Synonym: palilalia. ... Origin: G. Palin, again, + phrasis, speech ... (05 Mar 2000) ...

palisade
1. A strong, long stake, one end of which is set firmly in the ground, and the other is sharpened; also, a fence formed of such stakes set in the ground as a means of defense. ... 2. Any fence made of pales or sharp stakes. ... <botany> Palisade cells, a nematoid worm (Strongylus armatus), parasitic in the blood vessels of the horse, in which i …

palisade layer
Synonym for stratum basale epidermidis ... The deepest layer of the epidermis, composed of dividing stem cells and anchoring cells. ... Synonym: basal cell layer, columnar layer, germinative layer, palisade layer, stratum basale, stratum cylindricum, stratum germinativum. ... (05 Mar 2000) ...

palisade parenchyma
<plant biology> Tissue found in the upper layers of the leaf mesophyll, consisting of regularly shaped, elongated parenchyma cells, orientated perpendicular to the leaf surface, which are active in photosynthesis. ... (18 Nov 1997) ...

pall
1. An outer garment; a cloak mantle. 'His lion's skin changed to a pall of gold.' (Spenser) ... 2. A kind of rich stuff used for garments in the Middle Ages. ... 3. Same as Pallium. 'About this time Pope Gregory sent two archbishop's palls into England, the one for London, the other for York.' (Fuller) ... 4. A figure resembling the Roman Catholic pal …

pall-mall
A game formerly common in England, in which a wooden ball was driven with a mallet through an elevated hoop or ring of iron. The name was also given to the mallet used, to the place where the game was played, and to the street, in London, still called Pall Mall. ... Alternative forms: pail-mail and pell-mell. ... Origin: OF. Palemail, It. Pallamagio; …

palladium
<chemistry> A rare metallic element of the light platinum group, found native, and also alloyed with platinum and gold. It is a silver-white metal resembling platinum, and like it permanent and untarnished in the air, but is more easily fusible. It is unique in its power of occluding hydrogen, which it does to the extent of nearly a thousand …

pallanesthesia
Absence of pallesthesia. ... Synonym: apallesthesia. ... Origin: G. Pallo, to quiver, + anaisthesia, insensibility ... (05 Mar 2000) ...

pallescense
Synonym: pallor. ... Origin: L. Pallesco, to become pale, fr. Palleo, to be pale ... (05 Mar 2000) ...

pallesthesia
The appreciation of vibration, a form of pressure sense; most acute when a vibrating tuning fork is applied over a bony prominence. ... Synonym: bone sensibility, pallesthetic sensibility, vibratory sensibility. ... Origin: G. Pallo, to quiver, + aisthesis, sensation ... (05 Mar 2000) ...

pallesthetic
Pertaining to pallesthesia. ... (05 Mar 2000) ...

pallesthetic sensibility
Synonym for pallesthesia ... The appreciation of vibration, a form of pressure sense; most acute when a vibrating tuning fork is applied over a bony prominence. ... Synonym: bone sensibility, pallesthetic sensibility, vibratory sensibility. ... Origin: G. Pallo, to quiver, + aisthesis, sensation ... (05 Mar 2000) ...

pallet
1. Same as Palette. ... 2. A wooden implement used by potters, crucible makers, etc, for forming, beating, and rounding their works. It is oval, round, and of other forms. A potter's wheel. ... 3. An instrument used to take up gold leaf from the pillow, and to apply it. A tool for gilding the backs of books over the bands. ... 4. A board on which a ne …

pallial
<marine biology, zoology> Of or pretaining to a mantle, especially to the mantle of mollusks; produced by the mantle; as, the pallial line, or impression, which marks the attachment of the mantle on the inner surface of a bivalve shell. ... <zoology> Pallial chamber, an inward bending of the pallial line, near the posterior end of certai …

palliate
1. To cover with a mantle or cloak; to cover up; to hide. 'Being palliated with a pilgrim's coat.' (Sir T. Herbert) ... 2. To cover with excuses; to conceal the enormity of, by excuses and apologies; to extenuate; as, to palliate faults. 'They never hide or palliate their vices.' (Swift) ... 3. To reduce in violence; to lessen or abate; to mitigate; …

palliative
1. Affording relief, but not cure. ... 2. An alleviating medicine. ... Origin: L. Palliatus = cloaked ... (18 Nov 1997) ...

palliative care
Treatment aimed at relieving symptoms and pain rather than effecting a cure. ... (13 Nov 1997) ...

palliative care physician
<specialist> A medically qualified specialist in the care of people with incurable disease where the focus is on symptom control and the enhancement of quality of life. ... (13 Nov 1997) ...

palliative therapy
<procedure> A procedure such as chemotherapy, radiation therapy or surgery that is performed to relieve or ease pain or other symptoms. ... (16 Dec 1997) ...

palliative treatment
<oncology> Treatment to relieve symptoms of the disease but not to cure it. Frequently takes the form of making the patient more comfortable through pain management. ... (16 Dec 1997) ...

pallidal
Relating to the pallidum. ... (05 Mar 2000) ...

pallidal syndrome
Synonym for Hunt's syndrome ... <syndrome> An intention tremor beginning in one extremity, gradually increasing in intensity, and subsequently involving other parts of the body. ... Synonym: progressive cerebellar tremor. ... Facial paralysis, otalgia, and herpes zoster resulting from viral infection of the seventh cranial nerve and geniculate g …

pallidectomy
<procedure> Excision or destruction of the globus pallidus, usually by stereotaxy; a prefix may indicate the method used, e.g., chemopallidectomy (destruction by a chemical agent), cryopallidectomy (destruction by cold). ... Origin: pallidum + G. Ektome, excision ... (05 Mar 2000) ...

pallidoamygdalotomy
<procedure> Production of lesions in the globus pallidus and amygdaloid nuclei. ... Origin: pallidum + amygdala + G. Tome, a cutting ... (05 Mar 2000) ...

pallidoansotomy
<procedure> Production of lesions in the globus pallidus and ansa lenticularis. ... (05 Mar 2000) ...

pallidotomy
<procedure> A destructive operation on the globus pallidus, done to relieve involuntary movements or muscular rigidity. ... Origin: pallidum + G. Tome, incision ... (05 Mar 2000) ...

pallidum
Synonym: globus pallidus. ... Origin: L. Pallidus, pale ... (05 Mar 2000) ...

pallister-killian syndrome
<syndrome> A condition with multiple malformations at birth and mental retardation due to isochromosome 12p mosaicism (an abnormal chromosome 12 in some cells). ... (12 Dec 1998) ...

pallium
Origin: L. See Pall the garment. ... 1. A large, square, woolen cloak which enveloped the whole person, worn by the Greeks and by certain Romans. It is the Roman name of a Greek garment. ... 2. A band of white wool, worn on the shoulders, with four purple crosses worked on it; a pall. ... The wool is obtained from two lambs brought to the basilica of …

pallor
<clinical sign> A pale appearance to the skin. ... (27 Sep 1997) ...

palm
1. <anatomy> The inner and somewhat concave part of the hand between the bases of the fingers and the wrist. 'Clench'd her fingers till they bit the palm.' (Tennyson) ... 2. A lineal measure equal either to the breadth of the hand or to its length from the wrist to the ends of the fingers; a hand; used in measuring a horse's height. ... In Gree …

palm oil
An oil obtained from the seeds of Elaeis guineensis (family Palmae); used in the manufacture of soap, liniments, and ointments; also in foods. ... (05 Mar 2000) ...

palm wax
Synonym for carnauba wax ... A wax obtained from the Brazilian wax palm, Copernica cerifera; used in pharmaceuticals to coat medicaments in sustained release preparations and surfaces of tablets; used in waxes for wood and metal. ... Synonym: Brazil wax, palm wax. ... (05 Mar 2000) ...

palm-chin reflex
Synonym for palmomental reflex ... Unilateral (sometimes bilateral) contraction of the mentalis and orbicularis oris muscles caused by a brisk scratch made on the palm of the ipsilateral hand. ... Synonym: palm-chin reflex. ... (05 Mar 2000) ...

palma manus
The palm of the hand. ... (05 Mar 2000) ...

palmar aponeurosis
The thickened, central portion of the fascia ensheathing the hand; it radiates toward the bases of the fingers from the tendon of the palmaris longus muscle. ... Synonym: aponeurosis palmaris, Dupuytren's fascia, palmar fascia. ... (05 Mar 2000) ...

palmar branch of median nerve
<anatomy, nerve> Branch of median nerve arising proximal to flexor retinaculum and running superficial to it to supply skin of proximal central palm and thenar eminence. Since it does not traverse carpal tunnel, it is not affected by carpal tunnel syndrome, even though it supplies skin distal to carpal tunnel. ... Synonym: ramus palmaris nervi …

palmar branch of ulnar nerve
<anatomy, nerve> Branch of ulnar nerve arising in distal forearm and accompanying palmar artery into hand where it supplies skin of little finger and medial half of ring finger and adjacent parts of palm. ... Synonym: ramus palmaris nervi ulnaris. ... (05 Mar 2000) ...

palmar carpal ligament
Synonym for antebrachial flexor retinaculum ... Thickening of distal antebrachial fascia just proximal to radiocarpal (wrist) joint. Continuous with extensor retinaculum at margins of forearm. This structure is distinct from the transverse carpal ligament, commonly called 'the flexor retinaculum,' which forms the roof of the carpal tunnel. ... Synony …

palmar carpometacarpal ligaments
Fibrous bands that connect the palmar surfaces of the carpal and metacarpal bones. ... Synonym: ligamentum carpometacarpalia palmaria. ... (05 Mar 2000) ...

palmar crease
Any of the several flexion crease's normally found on the palm of the hand, occurring proximal to, but as a consequence of flexion at, the metacarpophalangeal joints. ... (05 Mar 2000) ...

palmar digital veins
Paired venae comitantes of the proper and common digital arteries that empty into the superficial palmar venous arch. ... Synonym: venae digitales palmares. ... (05 Mar 2000) ...

palmar fascia
Synonym for palmar aponeurosis ... The thickened, central portion of the fascia ensheathing the hand; it radiates toward the bases of the fingers from the tendon of the palmaris longus muscle. ... Synonym: aponeurosis palmaris, Dupuytren's fascia, palmar fascia. ... (05 Mar 2000) ...

palmar fibromatosis
Nodular fibroplastic proliferation in the palmar fascia of one or both hands, preceding or associated with Dupuytren's contracture. ... (05 Mar 2000) ...

palmar flexion
Turning the hand or fingers toward the palmar surface. ... (05 Mar 2000) ...

palmar interosseous artery
Synonym for palmar metacarpal artery ... <anatomy, artery> One of the three arteries springing from the deep palmar arch and running in the three medial interosseous spaces; they anastomose with the common palmar and dorsal metacarpal arteries. ... Synonym: arteria metacarpea palmaris, palmar interosseous artery. ... (05 Mar 2000) ...

palmar interosseous muscle
<anatomy> Three muscles in the hand; origin, first: ulnar side of second metacarpal; second and third: radial sides of fourth and fifth metacarpals; insertion, first: into ulnar side of index; second and third: into radial sides of ring and little fingers; action, adducts fingers toward axis of middle finger; nerve supply, ulnar. ... See: flex …

palmar ligaments
The fibrocartilaginous plates, one located on the anterior aspect of each metacarpophalangeal and interphalangeal joint, that are firmly attached to the bases of the phalanges and the heads of the next proximal bones; they are grooved to accommodate the long flexor tendons. ... Synonym: ligamenta palmaria, accessory volar ligaments. ... (05 Mar 2000) …

palmar metacarpal artery
<anatomy, artery> One of the three arteries springing from the deep palmar arch and running in the three medial interosseous spaces; they anastomose with the common palmar and dorsal metacarpal arteries. ... Synonym: arteria metacarpea palmaris, palmar interosseous artery. ... (05 Mar 2000) ...

palmar metacarpal ligaments
Fibrous bands connecting the palmar aspects of the bases of metacarpals two to five. ... Synonym: ligamenta metacarpalia palmaria. ... (05 Mar 2000) ...

palmar metacarpal veins
Veins emptying into the deep venous arch from which the radial and ulnar veins arise. ... Synonym: venae metacarpeae palmares. ... (05 Mar 2000) ...

palmar radiocarpal ligament
<anatomy> A strong ligament that passes from the distal end of the radius to the proximal row of carpal bones on the anterior surface of the wrist joint. ... Synonym: ligamentum radiocarpale palmare. ... (05 Mar 2000) ...

palmar reflex
Flexion of the fingers following tickling of the palm. ... (05 Mar 2000) ...

palmar surface
The palm or grasping side of the hand. ... (12 Dec 1998) ...

palmar surface of fingers
The flat of the fingers; the flexor or anterior surface of the fingers. ... Synonym: facies digitalis ventralis, facies digitalis palmaris, ventral surface of digit. ... (05 Mar 2000) ...

palmar ulnocarpal ligament
<anatomy> The fibrous band that passes from the ulnar styloid process to the carpal bones. ... Synonym: ligamentum ulnocarpale palmare. ... (05 Mar 2000) ...

palmaris
Synonym: palmar, palmar. ... Origin: L. ... (05 Mar 2000) ...

palmaris brevis
<anatomy, muscle> Origin, ulnar side of central portion of the palmar aponeurosis; insertion, skin of ulnar side of hand; action, wrinkles skin on medial side of palm; nerve supply, ulnar. ... Synonym: musculus palmaris brevis, short palmar muscle. ... (05 Mar 2000) ...

palmaris longus
<anatomy, muscle> Origin, medial epicondyle of humerus; insertion, flexor retinaculum of wrist and palmar fascia; action, makes palmar fascia tense and flexes the hand and forearm; is absent about 20% of the time; when tensed, its tendon stands out sharply at the wrist and overlies the median nerve; nerve supply, median. ... Synonym: musculus …

palmate
<botany> Of a leaf, divided into several leaflets which arise at the same point (as with a leaf from a palm tree). ... (09 Oct 1997) ...

palmate folds
The two longitudinal ridges, anterior and posterior, in the mucous membrane lining the cervix uteri, from which numerous secondary folds, or rugae, branch off. ... Synonym: plicae palmatae, arbor vitae uteri, lyra uterina. ... (05 Mar 2000) ...

palmated
1. Having the shape of the hand; resembling a hand with the fingers spread. ... 2. <botany> Spreading from the apex of a petiole, as the divisions of a leaf, or leaflets, so as to resemble the hand with outspread fingers. ... 3. <ornithology, zoology> Having the anterior toes united by a web, as in most swimming birds; webbed. Having the …

palmatifid
<botany> Of a leaf, deeply divided into several lobes which arise (almost) at the same level. ... Compare: pinnatifid. ... (09 Oct 1997) ...