| arteria retroduodenalis | <anatomy, artery> Origin, one of several small branches from the gastroduodenal artery posterior to the duodenum; distribution, first part of duodenum. Synonym: arteria retroduodenalis, posterior pancreaticoduodenal artery. (05 Mar 2000) |
|---|---|
| arteria sacralis lateralis | <anatomy, artery> Usually one of two arteries which arise from the internal iliac artery or its branches; they supply muscles and skin in the neighborhood and send branches into the sacral canal, supplying radicular and spinal arteries, and continuing on to the skin and subcutaneous tissues overlying the sacrum. Synonym: arteria sacralis lateralis. (05 Mar 2000) |
| arteria sacralis mediana | <anatomy, artery> Origin, posterior aspect of abdominal aorta just above the bifurcation; distribution, lower lumbar vertebrae, sacrum, and coccyx; anastomoses, lateral sacral, superior and middle rectal. Synonym: arteria sacralis mediana, middle sacral artery. (05 Mar 2000) |
| arteria segmenti anterioris inferioris renis | Origin, anterior branch of renal. See: segmental arteries of kidney. Synonym: arteria segmenti anterioris inferioris renis, artery of anterior {inferior segment of kidney}. (05 Mar 2000) |
| arteria segmenti anterioris superioris renis | Origin, anterior branch of renal. See: segmental arteries of kidney. Synonym: arteria segmenti anterioris superioris renis, artery of anterior {superior segment of kidney}. (05 Mar 2000) |
| arteria segmenti inferioris renis | Origin, anterior branch of renal. See: segmental arteries of kidney. Synonym: arteria segmenti inferioris renis, artery of inferior segment of kidney. (05 Mar 2000) |
| arteria segmenti posterioris renis | Origin, continuation of the posterior branch of renal. See: segmental arteries of kidney. Synonym: arteria segmenti posterioris renis, artery of posterior segment of kidney. (05 Mar 2000) |
| arteria segmenti superioris renis | Origin, anterior branch of renal. See: segmental arteries of kidney. Synonym: arteria segmenti superioris renis, artery of superior segment of kidney. (05 Mar 2000) |
| arteria spermatica interna | <anatomy, artery> Origin, aorta; branches, ureteral, cremasteric, epididymal; distribution, testicle and parts designated by names of branches; anastomoses, branches of renal, inferior epigastric, deferential. Synonym: arteria testicularis, arteria spermatica interna, internal spermatic artery. (05 Mar 2000) |
| arteria sphenopalatina | <anatomy, artery> Origin, third part of maxillary; distribution, posterior portion of lateral nasal wall and septum; anastomoses, branches of descending palatine, superior labial, and infraorbital. Synonym: arteria sphenopalatina. (05 Mar 2000) |
| arteria spinalis anterior | <anatomy, artery> Origin, intracranial part of vertebral; distribution, spinal cord and pia mater; anastomoses, spinal of intercostal and lumbar arteries. Synonym: arteria spinalis anterior. (05 Mar 2000) |
| arteria spinalis posterior | <anatomy, artery> Origin, vertebral; distribution, medulla, spinal cord, and pia mater; anastomoses, spinal branches of intercostal arteries. Synonym: arteria spinalis posterior. (05 Mar 2000) |
| arteria splenica | <anatomy, artery> The largest branch of the coeliac trunk with distribution to the spleen, pancreas, stomach and greater omentum. (12 Dec 1998) |
| arteria stylomastoidea | <anatomy, artery> Origin, posterior auricular; distribution, external acoustic meatus, mastoid cells, saemicircular canals, stapedius muscle, and vestibule; anastomoses, tympanic branches of internal carotid and ascending pharyngeal, and labyrinthine arteries. Synonym: arteria stylomastoidea. (05 Mar 2000) |
| arteria subclavia | <anatomy, artery> Artery arising from the brachiocephalic trunk on the right side and from the arch of the aorta on the left side. It distributes to the neck, thoracic wall, spinal cord, brain, meninges, and upper limb. (12 Dec 1998) |