| colliculus inferior | The ovoid, paired, inferior eminence of the laminae of mesencephalic tectum; it receives the lateral lemniscus and projects by way of the brachium of inferior colliculus to the medial geniculate body of the thalamus, and is thus an essential way-station in the central auditory pathway. Synonym: colliculus inferior, corpus quadrigeminum posterius, inferior nasal colliculus, posterior quadrigeminal body. (05 Mar 2000) |
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| commissure of inferior colliculi | Nerve fibres on the midline between the two inferior colliculi connecting the colliculi and containing some fibres originating from nontectal nuclei. (05 Mar 2000) |
| concha nasalis inferior | A thin, spongy, bony plate with curved margins, on the lateral wall of the nasal cavity, separating the middle from the inferior meatus; it articulates with the ethmoid, lacrimal, maxilla, and palate bones, the above bony plate and its thick mucoperiosteum containing an extensive cavernous vascular bed for heat exchange. Synonym: concha nasalis inferior, inferior turbinated bone, turbinated body. (05 Mar 2000) |
| plexus dentalis inferior | Formed by branches of the inferior alveolar nerve interlacing before they supply the teeth; it gives off interior dental branches to the teeth and inferior gingival branches to the gums. Synonym: plexus dentalis inferior. (05 Mar 2000) |
| plexus hypogastricus inferior | One of the bilateral autonomic plexus in the pelvis distributed to the pelvic viscera; it receives the hypogastric nerves and the pelvic splanchnic nerves. Synonym: plexus hypogastricus inferior, plexus pelvinus, pelvic plexus. (05 Mar 2000) |
| plexus mesentericus inferior | An autonomic plexus, derived from the abdominal aortic plexus, surrounding the inferior mesenteric artery and sending branches to the descending colon, sigmoid, and rectum. Synonym: plexus mesentericus inferior. (05 Mar 2000) |
| plexus thyroideus inferior | An autonomic plexus on the artery of this name, derived from the subclavian plexus. Synonym: plexus thyroideus inferior. (05 Mar 2000) |
| plexus vesicalis inferior | A venous plexus in the female corresponding to the prostatic venous plexus in the male. Synonym: plexus vesicalis inferior. (05 Mar 2000) |
| plica duodenalis inferior | A fold of peritoneum bounding the inferior duodenal recess. Synonym: plica duodenalis inferior, plica duodenomesocolica, duodenomesocolic fold. (05 Mar 2000) |
| poli lienalis inferior et superior | See: anterior extremity, posterior extremity. (05 Mar 2000) |
| poli renalis inferior et superior | See: superior pole of kidney, inferior pole of kidney. (05 Mar 2000) |
| cricopharyngeal part of inferior pharyngeal constrictor | See: inferior constrictor muscle of pharynx. Synonym: pars cricopharyngea musculi constrictoris pharyngis inferioris. (05 Mar 2000) |
| posterior branch of inferior pancreaticoduodenal artery | <anatomy, artery> The more dorsal of the two branches into which the inferior pancreaticoduodenal artery bifurcates; supplies uncinate process and head of pancreas, as well as the third and fourth parts of the duodenum; anastomoses with the posterior branch of the superior pancreaticuduodenal artery. Synonym: ramus posterior arteriae pancreaticoduodenalis inferioris. (05 Mar 2000) |
| posterior inferior cerebellar artery | <anatomy, artery> Origin, vertebral; distribution, lateral medulla, choroid plexus of fourth ventricle, and cerebellum; anastomoses, superior cerebellar and anterior inferior cerebellar. Synonym: arteria cerebelli inferior posterior. (05 Mar 2000) |
| posterior inferior cerebellar artery syndrome | <syndrome> A syndrome due usually to thrombosis, characterised by dysarthria, dysphagia, staggering gait, and vertigo, and marked by hypotonia, incoordination of voluntary movement, nystagmus, Horner's syndrome on the ipsilateral side, and loss of pain and temperature senses on the side of the body opposite to the lesion. Synonym: lateral medullary syndrome, Wallenberg's syndrome. (05 Mar 2000) |