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


superficial middle cerebral vein
<anatomy, vein> A large vein passing along the line of the sylvian fissure to join the cavernous sinus; it communicates with the superior sagittal sinus and transverse sinus via the superior and inferior anastomotic veins, respectively. ... Synonym: vena cerebri media superficialis. ... (05 Mar 2000) ...

superficial palmar (arterial) arch
The arterial arch in the hand located superficial to the long flexor tendons approximately at the level of a line extrapolated across the palm from the distal side of the outstretched thumb. It is formed principally by the termination of the superficial ulnar artery and is usually completed by a communication with the superficial palmar branch of t …

superficial palmar artery
Synonym for superficial palmar branch of radial artery ... <anatomy, artery> The superficial palmar branch of the radial artery which supplies the thenar muscles then enters the palm to communicate with the superficial palmar arch from the ulnar artery. ... Synonym: ramus palmaris superficialis arteriae radialis, superficial palmar artery, supe …

superficial palmar venous arch
The venous arch accompanying the superficial palmar arterial arch it consists usually of paired venae comitantes and is drained by the superficial ulnar and radial veins. ... Synonym: arcus venosus palmaris superficialis. ... (05 Mar 2000) ...

superficial part of duodenum
See: duodenum. ... (05 Mar 2000) ...

superficial part of masseter muscle
Synonym for pars superficialis musculi masseteri ... superficial part of masseter muscle ...

superficial part of parotid gland
Synonym for pars superficialis glandulae parotideae ... superficial part of parotid gland ...

superficial perineal pouch
Synonym for superficial perineal space ... The superficial compartment of the perineum; the space bounded above by the perineal membrane (inferior fascia of the urogenital diaphragm) and below by the superficial perineal (Colles') fascia; it contains the root structure of the penis or clitoris and associated musculature, plus the superficial transve …

superficial perineal space
The superficial compartment of the perineum; the space bounded above by the perineal membrane (inferior fascia of the urogenital diaphragm) and below by the superficial perineal (Colles') fascia; it contains the root structure of the penis or clitoris and associated musculature, plus the superficial transverse perineal muscle and, in the female onl …

superficial peroneal nerve
<anatomy, nerve> A branch of the common peroneal nerve which passes downward in the lateral compartment of the leg to supply the peroneus longus and brevis muscles and terminate as the intermediate and medial dorsal cutaneous nerves supplying the skin of the dorsum of the foot and toes (except for adjacent sides of great and second toes). ... …

superficial punctate keratitis
Epithelial punctate keratitis associated with viral conjunctivitis. ... Synonym: Thygeson's disease. ... (05 Mar 2000) ...

superficial reflex
Any reflex, e.g., the abdominal or cremasteric reflex, which is elicited by stimulation of the skin. ... (05 Mar 2000) ...

superficial spreading melanoma
<tumour> Primary cutaneous melanoma characterised by intraepidermal growth extending laterally beyond the site of dermal invasion. ... (05 Mar 2000) ...

superficial temporal artery
<anatomy, artery> Origin, a terminal branch of the external carotid (with maxillary artery); branches, transverse facial, middle temporal, orbital, parotid, anterior auricular, frontal, and parietal. ... Synonym: arteria temporalis superficialis. ... (05 Mar 2000) ...

superficial temporal plexus
An autonomic plexus of nerves on the artery of this name, derived from the external carotid plexus. ... Synonym: plexus temporalis superficialis. ... (05 Mar 2000) ...

superficial temporal veins
Veins that pass from the temporal region to join the maxillary vein to form the retromandibular vein. ... Synonym: venae temporales superficiales. ... (05 Mar 2000) ...

superficial vein
<anatomy, vein> One of a number of veins that course in the subcutaneous tissue and empty into deep veins; they form prominent systems of vessels in the limbs and are usually not accompanied by arteries. ... Synonym: vena cutanea, cutaneous vein. ... (05 Mar 2000) ...

superficial volar artery
Synonym for superficial palmar branch of radial artery ... <anatomy, artery> The superficial palmar branch of the radial artery which supplies the thenar muscles then enters the palm to communicate with the superficial palmar arch from the ulnar artery. ... Synonym: ramus palmaris superficialis arteriae radialis, superficial palmar artery, supe …

superficialis
Situated nearer the surface of the body in relation to a specific reference point. ... Compare: profundus. ... Synonym: sublimis, superficial. ... Origin: L. ... (05 Mar 2000) ...

superficialis volae
Synonym for superficial palmar branch of radial artery ... <anatomy, artery> The superficial palmar branch of the radial artery which supplies the thenar muscles then enters the palm to communicate with the superficial palmar arch from the ulnar artery. ... Synonym: ramus palmaris superficialis arteriae radialis, superficial palmar artery, supe …

superficies
1. The surface; the exterior part, superficial area, or face of a thing. ... 2. Everything on the surface of a piece of ground, or of a building, so closely connected by art or nature as to constitute a part of it, as houses, or other superstructures, fences, trees, vines, etc. A real right consisting of a grant by a landed proprietor of a piece of …

superflexion
Synonym for hyperflexion ... Flexion of a limb or part beyond the normal limit. ... Synonym: superflexion. ... (05 Mar 2000) ...

superfuse
To flush a fluid over the top of a tissue. ... Compare: perfuse, perifuse. ... (05 Mar 2000) ...

superfusion
The act of superfusing. ... (05 Mar 2000) ...

supergene
<genetics, molecular biology> A group of neighboring genes on a chromosome that tend to be inherited together and sometimes are functionally related. ... (19 Jan 1998) ...

supergenual
Above the knee or any genu. ... (05 Mar 2000) ...

superheated steam
Steam at a given pressure which is above the temperature which corresponds to boiling temperature at that given pressure. ... (05 Dec 1998) ...

superhelical DNA endonuclease
<enzyme> Produces single nicks in superhelical DNA; co-purifies with calf thymus terminal deoxynucleotidyl transferase ... Registry number: EC 3.1.21.- ... (26 Jun 1999) ...

superhelicity
Referring to native duplex DNA structure in which there is further twisting or coiling of the double helix. ... Synonym: supercoiling. ... (05 Mar 2000) ...

superimposed eclampsia
superimposed preeclampsia ...

superimpregnation
Synonym for superfetation ... <physiology> The formation of a foetus at the result of an impregnation occurring after another impregnation but before the birth of the offspring produced by it. This is possible only when there is a double uterus, or where menstruation persists up to the time of the second impregnation. 'In then became a superfe …

superinduce
To induce or bring on in addition to something already existing. ... (05 Mar 2000) ...

superinfection
<microbiology> A new infection complicating the course of antimicrobial therapy of an existing infectious process and resulting from invasion by bacteria or fungi resistant to the drug in use. ... It may occur at the site of the original infection or at a remote site. ... (18 Nov 1997) ...

superinvolution
An extreme reduction in size of the uterus, after childbirth, below the normal size of the nongravid organ. ... Synonym: hyperinvolution. ... (05 Mar 2000) ...

superior
<anatomy> Situated above another structure. ... <plant biology> Of an ovary, borne above the level of attachment of the other floral parts, or above the base of a cup (hypanthium) that is free from the ovary and bears the perianth segments and stamens. ... Compare: inferior. ... (09 Oct 1997) ...

superior aberrant ductule
A diverticulum from the head of the epididymis. ... Synonym: ductulus aberrans superior. ... (05 Mar 2000) ...

superior alveolar nerves
Three branches (posterior, middle, and anterior) of the maxillary nerve (or its continuation as the infraorbital nerve) that enter the maxilla to supply the mucosa of the maxillary sinus, upper teeth and gingiva. ... Synonym: nervi alveolares superiores, superior dental nerves. ... (05 Mar 2000) ...

superior anastomotic vein
<anatomy, vein> A large communicating vein between the superficial middle cerebral vein and the superior sagittal sinus; it passes upward from the lateral sulcus, often following the line of the central sulcus (Rolando's fissure). ... Synonym: vena anastomotica superior, Trolard's vein. ... (05 Mar 2000) ...

superior angle of scapula
Formerly named the medial angle, it lies at the junction of the superior and medial borders of the bone. ... Synonym: angulus superior scapulae. ... (05 Mar 2000) ...

superior articular facet of atlas
One of two concave articular surfaces on the superior aspect of the lateral masses of the atlas that articulate with the occipital condyles. ... Synonym: facies articularis superior atlantis, fovea articularis superior atlantis, superior articular pit of atlas. ... (05 Mar 2000) ...

superior articular pit of atlas
Synonym for superior articular facet of atlas ... One of two concave articular surfaces on the superior aspect of the lateral masses of the atlas that articulate with the occipital condyles. ... Synonym: facies articularis superior atlantis, fovea articularis superior atlantis, superior articular pit of atlas. ... (05 Mar 2000) ...

superior articular surface of tibia
The articular surface on the proximal end of the tibia that is divided into medial and lateral portions for articulation with the condyles of the femur. ... Synonym: facies articularis superior tibiae. ... (05 Mar 2000) ...

superior auricular
<anatomy, muscle> Origin, galea aponeurotica; insertion, cartilage of auricle; action draws pinna of ear upward and backward; nerve supply, facial. Considered by some to be the posterior part of the temporoparietal muscle. ... Synonym: musculus auricularis superior, attollens aurem, attollens auriculam, musculus attollens aurem, musculus attol …

superior azygoesophageal recess
The region above the azygos vein arch in which the right lung is in contact with the oesophagus. ... (05 Mar 2000) ...

superior basal vein
<anatomy, vein> Tributary to the common basal vein draining the lateral and anterior part of the inferior lobe of each lung. ... Synonym: vena basalis superior. ... (05 Mar 2000) ...

superior belly of omohyoid muscle
<anatomy> The superior belly of the omohyoid muscle, attached to the hyoid bone. ... Synonym: venter superior musculi omohyoidei. ... (05 Mar 2000) ...

superior border
The cranial or uppermost margin of a structure. ... (05 Mar 2000) ...

superior border of pancreas
The uppermost border of the body of the pancreas that separates the anterior and posterior surfaces. ... Synonym: margo superior pancreatis. ... (05 Mar 2000) ...

superior border of scapula
The margin of the scapula that extends from the glenoid fossa to the superior angle. ... Synonym: margo superior scapulae. ... (05 Mar 2000) ...

superior border of spleen
The notched border of the spleen that separates the gastric and disphragmatic surfaces. ... Synonym: margo superior splenis. ... (05 Mar 2000) ...

superior border of suprarenal gland
The border of the suprarenal gland at the superior junction of the anterior and posterior surfaces. ... Synonym: margo superior glandulae suprarenalis. ... (05 Mar 2000) ...

superior branch
Branch which is directed upward or cranially or which is highly-placed, usually in contrast to an inferior branch. ... Synonym: ramus superior. ... (05 Mar 2000) ...

superior branch of the pubic bone
Synonym for superior pubic ramus ... A bar of bone, triangular in section, which extends posterosuperiorly from the body of the pubis to form the superior boundary of the obturator foramen; developmentally, it contributes about one-fifth of the articular surface of the acetabulum. ... Synonym: ramus superior ossis pubis, superior branch of the pubic …

superior bursa of biceps femoris
A bursa frequently found between the tendon of the long head of the biceps femoris and the ischial tuberosity and the tendon of the semimembranosus. ... Synonym: bursa musculi bicipitis femoris superior. ... (05 Mar 2000) ...

superior carotid triangle
Synonym for carotid triangle ... A space bounded by the superior belly of the omohyoid muscle, anterior border of the sternocleidomastoid, and posterior belly of the digastric; it contains the bifurcation of the common carotid artery. ... Synonym: trigonum caroticum, fossa carotica, Gerdy's hyoid fossa, Malgaigne's fossa, Malgaigne's triangle, superi …

superior central tegmental nucleus
Synonym for raphe nuclei ... Collections of small neurons centrally scattered among many fibres from the level of the trochlear nucleus in the midbrain to the hypoglossal area in the medulla oblongata. ... (12 Dec 1998) ...

superior cerebellar artery
<anatomy, artery> Origin, basilar; distribution, upper surface of cerebellum, colliculi, and most of the cerebellar nuclei; anastomoses, posterior inferior cerebellar. ... Synonym: arteria cerebelli superior. ... (05 Mar 2000) ...

superior cerebellar artery syndrome
<syndrome> Syndrome due to thrombosis of the superior cerebellar artery which supplies the spinothalamic tract and the superior cerebellar peduncle; there is incoordination in performing skilled movements, with loss of pain and temperature senses on the side of the face and body opposite to that of the lesion. ... (05 Mar 2000) ...

superior cerebellar peduncle
A large bundle of nerve fibres that originate from the dentate and interpositus nuclei and emerges from the cerebellum in the rostral direction, along the lateral wall of the fourth ventricle. The bundle submerges from the dorsal surface of the brainstem into the mesencephalic tegmentum, where all of its fibres cross in the massive decussation of t …

superior cerebral veins
Numerous (8 to 10) veins that drain the dorsal convexity of the cortical hemisphere and empty into the superior sagittal sinus, curving rostrally in passing through the subdural space so as to enter the sinus at an acute forward angle. ... Synonym: venae cerebri superiores. ... (05 Mar 2000) ...

superior cervical cardiac nerve
<anatomy, nerve> The uppermost of the cardiopulmonary splanchnic nerves which arises from the lower part of the superior cervical ganglion and passes down to form, with branches of the vagus, the cardiac plexus. ... Synonym: nervus cardiacus cervicalis superior. ... (05 Mar 2000) ...

superior cervical ganglion
The largest and uppermost of the paravertebral sympathetic ganglia. ... (12 Dec 1998) ...

superior choroid vein
<anatomy, vein> A tortuous vein that follows the choroid plexus of the lateral ventricle and unites with the superior thalamostriate vein and the anterior vein of the transparent septum to form the internal cerebral vein. ... Synonym: vena choroidea superior. ... (05 Mar 2000) ...

superior cistern
Synonym for cistern of great cerebral vein ... <anatomy, vein> An expansion of the subarachnoid space extending forward between the corpus callosum and the thalamus; it encloses the internal cerebral veins which caudally join to form the vena magna cerebri (Galen's vein). ... Synonym: ambient cistern, Bichat's canal, Bichat's foramen, cistern o …

superior cluneal nerves
Terminal branches of the dorsal primary rami of the lumbar nerves, supplying the skin of the upper half of the gluteal region. ... Synonym: nervi clunium superiores. ... (05 Mar 2000) ...

superior colliculus
The paired, larger, rounded anterior eminence of the laminae of mesencephalic tectum; major afferent connections of the superficial layers are the retina and striate cortex; input to deep layers of the colliculus are polymodal. Its efferent connections are with the lower brainstem and spinal cord (tectobulbar tract and tectospinal tract) and with t …

superior costal facet
A demifacet on the upper edge of the body of a vertebra articulating with the head of a rib; a single rib articulates with the inferior costal facet and superior costal facet of the adjacent vertebrae. ... Synonym: fovea costalis superior, superior costal pit. ... (05 Mar 2000) ...

superior costal pit
Synonym for superior costal facet ... A demifacet on the upper edge of the body of a vertebra articulating with the head of a rib; a single rib articulates with the inferior costal facet and superior costal facet of the adjacent vertebrae. ... Synonym: fovea costalis superior, superior costal pit. ... (05 Mar 2000) ...

superior costotransverse ligament
<anatomy> The fibrous band that extends upward from the neck of a rib to the transverse process of the next higher vertebra. ... Synonym: ligamentum costotransversarium superius, anterior costotransverse ligament, ligamentum costotransversarium anterius. ... (05 Mar 2000) ...

superior dental arch
The teeth supported by the alveolar process of the two maxillae, whether the 10 deciduous teeth or the 16 permanent teeth. ... Synonym: arcus dentalis superior, maxillary dentition. ... (05 Mar 2000) ...

superior dental nerves
Synonym for superior alveolar nerves ... Three branches (posterior, middle, and anterior) of the maxillary nerve (or its continuation as the infraorbital nerve) that enter the maxilla to supply the mucosa of the maxillary sinus, upper teeth and gingiva. ... Synonym: nervi alveolares superiores, superior dental nerves. ... (05 Mar 2000) ...

superior dental plexus
Formed by branches of the infraorbital nerve, it gives off superior dental branches to the upper and superior gingival branches to the gums. ... Synonym: plexus dentalis superior. ... (05 Mar 2000) ...

superior dental rami
Superior dental branches of superior dental plexus. ... Synonym: rami dentales superiores. ... (05 Mar 2000) ...

superior duodenal fold
A fold of peritoneum bounding the superior duodenal recess. ... Synonym: plica duodenalis superior, plica duodenojejunalis, duodenojejunal fold. ... (05 Mar 2000) ...

superior duodenal fossa
Synonym for superior duodenal recess ... A peritoneal recess extending upward behind the superior duodenal fold. ... Synonym: recessus duodenalis superior, duodenojejunal fossa, duodenojejunal recess, Jonnesco's fossa, superior duodenal fossa. ... (05 Mar 2000) ...

superior duodenal recess
A peritoneal recess extending upward behind the superior duodenal fold. ... Synonym: recessus duodenalis superior, duodenojejunal fossa, duodenojejunal recess, Jonnesco's fossa, superior duodenal fossa. ... (05 Mar 2000) ...

superior epigastric artery
<anatomy, artery> Origin, the medial terminal branch of internal thoracic; distribution, abdominal muscles and integument, falciform ligament; anastomoses, inferior epigastric. ... Synonym: arteria epigastrica superior. ... (05 Mar 2000) ...

superior epigastric veins
The venae comitantes of the artery of the same name, tributaries of the internal thoracic vein. ... Synonym: venae epigastricae superiores. ... (05 Mar 2000) ...

superior extensor retinaculum
The ligament that binds down the extensor tendons proximal to the ankle joint; it is continuous with (a thickening of) the deep fascia of the leg. ... Synonym: retinaculum musculorum extensorum superius, ligamentum transversum cruris, superior retinaculum of extensor muscles, transverse crural ligament, transverse ligament of leg. ... (05 Mar 2000)
superior extremity
Incorrectly, but commonly used term for upper limb. ... (05 Mar 2000) ...

superior facial index
The length of the face is measured from the nasion to the alveolar point: (nasialveolar length &times; 100)/bizygomatic width; for ... (05 Mar 2000) ...

superior fascia of pelvic diaphragm
The fascia on the superior aspect of the levator ani and coccygeus muscles. ... Synonym: fascia diaphragmatis pelvis superior. ... (05 Mar 2000) ...

superior flexure of duodenum
The flexure at the junction of the superior and descending parts of the duodenum. ... Synonym: flexura duodeni superior. ... (05 Mar 2000) ...

superior fovea
A slight depression in the limiting sulcus on either side of the rhomboidal fossa, above the medullary striae and lateral to the facial colliculus. ... Synonym: fovea superior, anterior fovea, fovea anterior. ... (05 Mar 2000) ...

superior frontal convolution
Synonym for superior frontal gyrus ... A broad convolution running in an anteroposterior direction on the medial edge of the convex surface and of each frontal lobe. ... Synonym: gyrus frontalis superior, marginal gyrus, superior frontal convolution. ... (05 Mar 2000) ...

superior frontal gyrus
A broad convolution running in an anteroposterior direction on the medial edge of the convex surface and of each frontal lobe. ... Synonym: gyrus frontalis superior, marginal gyrus, superior frontal convolution. ... (05 Mar 2000) ...

superior frontal sulcus
A sagittal fissure on the superior surface of each frontal lobe of the cerebrum starting from the precentral sulcus; it forms the lateral boundary of the superior frontal convolution. ... Synonym: sulcus frontalis superior. ... (05 Mar 2000) ...

superior ganglion of vagus nerve
<anatomy, nerve> A small sensory ganglion on the vagus as it traverses the jugular foramen. ... Synonym: ganglion superius nervi vagi, jugular ganglion. ... (05 Mar 2000) ...

superior gastric lymph nodes
Synonym for left gastric lymph nodes ... Nodes located along the left gastric artery and its branches; they are divided into paracardial, upper and lower groups. ... Synonym: nodi lymphatici gastrici sinistri, superior gastric lymph nodes. ... (05 Mar 2000) ...

superior gemellus
<anatomy, muscle> Origin, ischial spine and margin of lesser sciatic notch; insertion, tendon of musculus obturator internus; action, rotates thigh laterally; nerve supply, sacral plexus. ... Synonym: musculus gemellus superior, gemellus. ... (05 Mar 2000) ...

superior gluteal artery
<anatomy, artery> Origin, internal iliac; distribution, gluteal region; anastomoses, lateral sacral, inferior gluteal, internal pudendal, deep circumflex iliac, lateral circumflex femoral. ... Synonym: arteria glutea superior. ... (05 Mar 2000) ...

superior gluteal nerve
<anatomy, nerve> Arises from the fourth and fifth lumbar and first sacral nerves, and supplies the gluteus medius and minimus and tensor fasciae latae muscles (abductors and medial rotators of the hip joint). A lesion of this nerve causes the pelvis to drop on the unsupported side when the foot is lifted off the ground (Trendelenburg sign).
superior gluteal veins
The veins that accompany the superior gluteal artery, entering the pelvis as two veins which unite into one and empty into the internal iliac vein. ... Synonym: venae gluteae superiores. ... (05 Mar 2000) ...

superior haemorrhoidal artery
Synonym for superior rectal artery ... <anatomy, artery> Origin, inferior mesenteric; distribution, upper part of rectum; anastomoses, middle and inferior rectal. As a tributary of the portal vein, its anastomosis with these arteries forms a portosystemic or portocaval anastomosis. ... Synonym: arteria rectalis superior, superior haemorrhoidal …

superior haemorrhoidal plexus
Synonym for superior rectal plexus ... The autonomic plexus derived as a continuation of the inferior mesenteric plexus that accompanies the superior rectal artery. ... Synonym: plexus rectalis superior, superior haemorrhoidal plexus. ... (05 Mar 2000) ...

superior haemorrhoidal vein
<anatomy, vein> Outmoded term for superior rectal vein. ... (05 Mar 2000) ...

superior horn of thyroid cartilage
One of the pair of upward prolongations from the thyroid cartilage to which the lateral hyothyroid ligament attaches. ... Synonym: cornu superius cartilaginis thyroideae. ... (05 Mar 2000) ...

superior hypogastric plexus
The continuation of the aortic plexus inferior to the aortic bifurcation across the fifth lumbar vertebra into the pelvis where it divides into two hypogastric nerves at the sides of the rectum; these join the pelvic splanchnic nerves to form the inferior hypogastric plexus's supplying pelvic viscera. ... Synonym: plexus hypogastricus superior, nerv …

superior hypophysial artery
<anatomy, artery> A small branch of the cerebral part of the internal carotid artery supplying the hypophysis. ... Synonym: arteria hypophysialis superior. ... (05 Mar 2000) ...

superior ileocaecal recess
A shallow pouch occasionally existing between the terminal ileum, the caecum, and the ileocolic artery when the latter is present. ... Synonym: recessus ileocaecalis superior. ... (05 Mar 2000) ...