| posterior pancreaticoduodenal artery | <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) |
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| posterior scrotal branch of internal pudendal artery | <anatomy, artery> Branches of perineal artery supplying skin of posterior scrotal sac. Synonym: rami scrotales posteriores arteriae pudendae internae. (05 Mar 2000) |
| posterior segmental artery of kidney | 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) |
| posterior septal artery of nose | A branch of the sphenopalatine artery that supplies the nasal septum and accompanies the nasopalatine nerve. Synonym: arteria nasalis posterior septi. (05 Mar 2000) |
| posterior spinal artery | <anatomy, artery> Origin, vertebral; distribution, medulla, spinal cord, and pia mater; anastomoses, spinal branches of intercostal arteries. Synonym: arteria spinalis posterior. (05 Mar 2000) |
| posterior superior alveolar artery | <anatomy, artery> Origin, 3rd part of maxillary artery within pterygopalatine fossa; distribution, molar and premolar teeth, gingiva and mucous membrane of maxillary sinus. Synonym: arteria alveolaris superior posterior, posterior alveolar artery, posterior dental artery. (05 Mar 2000) |
| posterior temporal artery | <anatomy, artery> A branch of the insular part of the middle cerebral artery distributed to the cortex of the posterior part of the temporal lobe. Synonym: arteria temporalis posterior. (05 Mar 2000) |
| posterior tibial artery | <anatomy, artery> The larger and more directly continuous of the two terminal branches of the popliteal; branches, peroneal, nutrient of fibula, lateral and medial posterior malleolar, nutrient of tibia, medial and lateral plantar. Synonym: arteria tibialis posterior. (05 Mar 2000) |
| posterior tibial recurrent artery | <anatomy, artery> An inconstant branch of the posterior tibial artery which ascends anterior to the popliteus muscle, anastomoses with branches of the popliteal artery, and sends a twig to the tibiofibular joint. Synonym: arteria recurrens tibialis posterior. (05 Mar 2000) |
| posterior tympanic artery | <anatomy, artery> Origin, stylomastoid; distribution, middle ear; anastomoses, other tympanic arteries. Synonym: arteria tympanica posterior. (05 Mar 2000) |
| short posterior ciliary artery | <anatomy, artery> One of approximately seven branches of the ophthalmic artery which pass around the optic nerve to supply the eyeball. Dividing into some 15-20 branches, they penetrate the sclera adjacent to the optic nerve, supplying the choroid and ciliary processes. Anastomoses: with central retinal artery and long and anterior ciliary arteries (at the ora serrata). Synonym: arteria ciliaris posterior brevis. (05 Mar 2000) |
| ascending parietal convolution | The anterior convolution of the parietal lobe, bounded in front by the central sulcus (fissure of Rolando) and posteriorly by the interparietal sulcus. Synonym: gyrus postcentralis, ascending parietal convolution, ascending parietal gyrus, posterior central convolution, posterior central gyrus. (05 Mar 2000) |
| ascending parietal gyrus | The anterior convolution of the parietal lobe, bounded in front by the central sulcus (fissure of Rolando) and posteriorly by the interparietal sulcus. Synonym: gyrus postcentralis, ascending parietal convolution, ascending parietal gyrus, posterior central convolution, posterior central gyrus. (05 Mar 2000) |
| parietal | 1. <anatomy> Of or pertaining to the walls of a cavity. 2. Pertaining to or located near the parietal bone, as the parietal lobe. (18 Nov 1997) |
| parietal angle | An angle formed by the meeting of the prolongation of two lines tangential to the most prominent part of the zygomatic arch and to the parietofrontal suture on each side; when the lines remain parallel the angle is zero; when they diverge it is negative. Synonym: Quatrefages' angle. (05 Mar 2000) |