| APA | action potential amplitude; aldosterone-producing adenoma; Ambulatory Pediatric Association; America... |
|---|---|
| APDER | anterior-posterior dual energy radiography |
| APE | acetone powder extract; acute polioencephalitis; acute psychotic episode; airway pressure excursion;... |
| APH | alcohol-positive history; alternative pathway hemolysis; aminoglycoside phosphotransferase; antepart... |
| APR | abdominoperineal resection; absolute proximal reabsorption; acute phase reaction or reactant; amebic... |
| arteria pancreaticoduodenalis inferior | <anatomy, artery> Origin, superior mesenteric; one of two arteries, anterior and posterior; distribution, head of pancreas, duodenum; anastomoses, superior pancreaticoduodenal. Synonym: arteria pancreaticoduodenalis inferior. (05 Mar 2000) |
|---|---|
| arteria pancreaticoduodenalis superior | <anatomy, artery> Origin, gastroduodenal; one of two arteries, anterior and superior; distribution, head of pancreas, duodenum, common bile duct; anastomoses, inferior pancreaticoduodenal, splenic. Synonym: arteria pancreaticoduodenalis superior. (05 Mar 2000) |
| arteria paracentralis | <anatomy, artery> The third branch of the pericallosal artery supplying the cerebral cortex of the paracentral lobule and both sides of the medial part of the central sulcus. Synonym: arteria paracentralis. (05 Mar 2000) |
| arteria parietales posterior | <anatomy, artery> The branch distributed to the posterior part of the parietal lobe. Synonym: arteria parietales posterior. (05 Mar 2000) |
| arteria parieto-occipitalis | <anatomy, artery> The largest cortical branch of the pericallosal artery supplying the medial and superolateral surface of the parietal lobe posterior to the paracentral lobule; rarely does it extend to supply part of the occipital lobe. Synonym: arteria parieto-occipitalis, superior internal parietal artery. (05 Mar 2000) |
| arteria pericallosa | An alternate term for pericallosal artery. (05 Mar 2000) |
| arteria pericardiacophrenica | <anatomy, artery> Origin, internal thoracic; distribution, pericardium, diaphragm, and pleura; anastomoses, musculophrenic, inferior phrenic, mediastinal and pericardial branches of the internal thoracic. Synonym: arteria pericardiacophrenica, arteria comes nervi phrenici. (05 Mar 2000) |
| arteria perinealis | <anatomy, artery> Origin, internal pudendal; distribution, superficial structures of the perineum; anastomoses, external pudendal arteries. Synonym: arteria perinealis. (05 Mar 2000) |
| arteria peronea | <anatomy, artery> Origin, posterior tibial; distribution, soleus, tibialis posterior, flexor longus hallucis, peroneal muscles, inferior tibiofibular articulation, and ankle joint; anastomoses, anterior lateral malleolar, lateral tarsal, lateral plantar, dorsalis pedis. Synonym: arteria peronea, arteria fibularis, fibular artery. (05 Mar 2000) |
| arteria pharyngea ascendens | <anatomy, artery> Origin, external carotid; distribution, wall of pharynx and soft palate, posterior cranial fossa. Synonym: arteria pharyngea ascendens. (05 Mar 2000) |
| arteria phrenica inferior | <anatomy, artery> Origin, the first paired branch from the abdominal aorta inferior to the diaphragm; distribution, diaphragm; anastomoses, superior phrenic, internal thoracic, and musculophrenic. Synonym: arteria phrenica inferior. (05 Mar 2000) |
| arteria phrenica superior | <anatomy, artery> One of a pair of small arteries given off from the thoracic aorta just superior to the diaphragm; distribution, diaphragm; anastomoses, musculophrenic, pericardiacophrenic, and inferior phrenic. Synonym: arteria phrenica superior. (05 Mar 2000) |
| arteria plantaris lateralis | <anatomy, artery> Larger of the two terminal branches of the posterior tibial; distribution, forms the plantar arch and through it supplies the sole of the foot and plantar surfaces of the toes; anastomoses, medial plantar, dorsalis pedis. Synonym: arteria plantaris lateralis. (05 Mar 2000) |
| arteria plantaris medialis | <anatomy, artery> One of the terminal branches of the posterior tibial; distribution, medial side of the sole of the foot; anastomoses, dorsalis pedis, lateral plantar. Synonym: arteria plantaris medialis. (05 Mar 2000) |
| arteria poplitea | <anatomy, artery> Anterior tibial a., comes off 1st, goes lateralLY, peroneal a., lateral (as expected), posterior tibial a., medial (12 Dec 1998) |