| A-a | alveolar-atrial |
|---|---|
| AAI | acute alveolar injury; Adolescent Alienation Index; American Association of Immunologists; atrial in... |
| AAS | Aarskog-Scott [syndrome]; acid aspiration syndrome; alcoholic abstinence syndrome; American Academy ... |
| ac | acceleration; acetyl; acid; acromioclavicular; acute; alternating current; antecubital; anterior cha... |
| ACV | acute cardiovascular [disease]; acyclovir; assisted controlled ventilation; atrial/carotid/ventricul... |
| cerebellar veins | The veins draining the cerebellum. See: inferior veins of cerebellar hemisphere, superior veins of cerebellar hemisphere, petrosal vein, precentral cerebellar vein, inferior vein of vermis, superior vein of vermis. Synonym: venae cerebelli, veins of cerebellum. (05 Mar 2000) |
|---|---|
| cerebral veins | Veins draining the cerebrum. (12 Dec 1998) |
| meningeal veins | Veins that accompany the meningeal arteries; they communicate with venous sinuses and diploic veins and drain into regional veins outside the cranial vault. Synonym: venae meningeae. (05 Mar 2000) |
| Retzius' veins | Portacaval anastomoses formed from vein's in the walls of retroperitoneal viscera, such as the ascending and descending colon, passing to the tributaries of the inferior vena cava in the posterior body wall instead of those of the portal vein. Synonym: Ruysch's veins. (05 Mar 2000) |
| perforating veins | The veins that accompany the perforating arteries from the profunda femoris artery; they drain blood from the vastus lateralis and hamstring muscles and terminate in the profunda femoris vein. Synonym: venae perforantes. (05 Mar 2000) |
| pericardiacophrenic veins | The veins accompanying the pericardiacophrenic artery and emptying into the brachiocephalic veins or superior vena cava. Synonym: venae pericardiacophrenicae. (05 Mar 2000) |
| pericardial veins | Several small veins from the pericardium emptying into the brachiocephalic veins or superior vena cava. Synonym: venae pericardiacae. (05 Mar 2000) |
| mesencephalic veins | Several veins draining the mesencephalon; the posterior ones are tributaries to the great cerebral vein; the lateral ones are tributaries to the basal vein. Synonym: mesencephalic veins. (05 Mar 2000) |
| mesenteric veins | Veins which return blood from the intestines; the inferior mesenteric vein empties into the splenic vein, the superior mesenteric vein joins the splenic vein to form the portal vein. (12 Dec 1998) |
| metacarpal veins | See: dorsal metacarpal veins, palmar metacarpal veins. (05 Mar 2000) |
| peroneal veins | Venae comsitantes of the peroneal artery; they join the posterior tibial veins to enter the popliteal vein. Synonym: venae peroneae, venae fibulares, fibular veins. (05 Mar 2000) |
| choroid veins of eye | Several veins (usually four) from the vascular tunic formed of veins accompanying the posterior ciliary arteries and the ciliary body; then drain into the superior or inferior ophthalmic vein. Synonym: venae vorticosae, venae choroideae oculi, choroid veins of eye, Stensen's veins, vasa vorticosa, vorticose veins. (05 Mar 2000) |
| pharyngeal veins | Several veins from the pharyngeal venous plexus emptying into the internal jugular vein. Synonym: venae pharyngeae. (05 Mar 2000) |
| ciliary veins | Several small veins, anterior and posterior, coming from the ciliary body. Synonym: venae ciliares. (05 Mar 2000) |
| middle haemorrhoidal veins | An obsolete term for middle rectal veins. (05 Mar 2000) |