| TA | alkaline tuberculin; arterial tension; axillary temperature; tactile afferent; Takayasu arteritis; t... |
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| ASGBI | Association of Surgeons of Great Britain and Ireland |
| CSGBI | Cardiac Society of Great Britain and Ireland |
| GCV | great cardiac vein |
| GCVF | great cardiac vein flow |
| great cerebral vein of Galen | A large, unpaired vein formed by the junction of the two internal cerebral veins in the caudal part of the tela choroidea of the third ventricle; it passes caudally between the splenium of the corpus callosum and the pineal gland, curving dorsally to merge with the inferior sagittal sinus to form the straight sinus. Synonym: vena cerebri magna, great cerebral vein, great vein of Galen. (05 Mar 2000) |
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| great foramen | <anatomy> The large hole at the base of the skull which allows passage of the spinal cord. (12 Dec 1998) |
| great-hearted | 1. High-spirited; fearless. 2. Generous; magnanimous; noble. Source: Websters Dictionary (01 Mar 1998) |
| great-heartedness | The quality of being greathearted; high-mindedness; magnanimity. Source: Websters Dictionary (01 Mar 1998) |
| great horizontal fissure | Horizontal fissure that divides the ansiform lobule into its major parts, crus I (superior semilunar lobule) and crus II (inferior semilunar lobule). Synonym: fissura horizontalis cerebelli, great horizontal fissure. (05 Mar 2000) |
| great lakes region | The geographic area of the great lakes in general and when the specific state or states are not indicated. It usually includes illinois, indiana, michigan, minnesota, new york, ohio, pennsylvania, and wisconsin. (12 Dec 1998) |
| great longitudinal fissure | The deep cleft separating the two hemispheres of the cerebrum. Synonym: fissura longitudinalis cerebri, great longitudinal fissure. (05 Mar 2000) |
| great pancreatic artery | <anatomy, artery> Origin, splenic; distribution, tail of pancreas; anastomoses, inferior pancreatic artery and arteries of pancreatic tail. Synonym: arteria pancreatica magna. (05 Mar 2000) |
| great plague | The Great Plague that swept London in 1665 was probably not really the plague but rather typhus. (12 Dec 1998) |
| great radicular artery | Largest of the medullary arteries which supply the spinal cord by anastomosing with the anterior (longitudinal) spinal artery; it arises from a lower intercostal or upper lumbar artery (on the left side about 65% of the time) supplying most of the blood to the lower two-thirds of the anterior spinal artery. See: medullary arteries of brain. Synonym: artery of Adamkiewicz, great anastomotic artery, great radicular artery. (05 Mar 2000) |
| great saphenous vein | <anatomy, vein> Formed by the union of the dorsal vein of the great toe and the dorsal venous arch of the foot, ascends in front of the medial malleolus, behind the medial condyle of the femur, and traverses the saphenois hiatus in the fascia lata to empty into the femoral vein in the upper part of the femoral triangle. Synonym: vena saphena magna, large saphenous vein, long saphenous vein. (05 Mar 2000) |
| great sciatic nerve | <anatomy, nerve> A nerve which originates in the lumbar and sacral spinal cord (l4 to s3) and supplies motor and sensory innervation to the lower extremity. The sciatic nerve, which is the main continuation of the sacral plexus, is the largest nerve in the body. It has two major branches, the tibial nerve and the peroneal nerve. (12 Dec 1998) |
| great superior pancreatic artery | <anatomy, artery> Origin, splenic; distribution, head and body of pancreas; anastomoses, superior pancreaticoduodenal. Synonym: arteria pancreatica dorsalis, great superior pancreatic artery. (05 Mar 2000) |
| great toe | <anatomy, ornithology> The first, or preaxial, digit of the hind limb, corresponding to the pollux in the fore limb; the great toe; the hind toe of birds. Origin: NL, fr. L. Hallex, allex. Source: Websters Dictionary (01 Mar 1998) |
| great-toe reflex | <clinical sign> Extension of the great toe and abduction of the other toes instead of the normal flexion reflex to plantar stimulation, considered indicative of pyramidal tract involvement ("positive" Babinski). Synonym: Babinski reflex, Babinski's phenomenon, great-toe reflex, paradoxical extensor reflex, toe phenomenon. (05 Mar 2000) |