| upper subscapular nerve | Two branches of the posterior cord of the brachial plexus, an upper and lower, supplying the subscapularis muscle; the lower subscapular nerve also supplies the teres major muscle. Synonym: nervi subscapulares. (05 Mar 2000) |
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| upper thoracic splanchnic nerves | Part of the cardiopulmonary splanchnic nerves from the second to fifth segments of the thoracic sympathetic trunk that pass medially and anteriorly to enter the cardiac plexus; they convey postsynaptic sympathetic fibres to, and visceral afferent (pain) fibres from, the heart. Synonym: nervi cardiaci thoracici, upper thoracic splanchnic nerves. (05 Mar 2000) |
| upper uterine segment | The main portion of the body of the gravid uterus, the contraction of which furnishes the chief force of expulsion in labour. (05 Mar 2000) |
| alpha cells of anterior lobe of hypophysis | Acidophil cell's that constitute about 35% of the cell's of the anterior lobe. There are two varieties: one that elaborates somatotropin, another that elaborates prolactin. (05 Mar 2000) |
| anterior lobe of hypophysis | An alternate term for adenohypophysis. (05 Mar 2000) |
| artery of caudate lobe | Origin, left branch of proper hepatic; distribution, caudate lobe of the liver. Synonym: arteria lobi caudati. (05 Mar 2000) |
| azygos pseudo-lobe | <radiology> Not a true lobe, does not have separate broncus or vasculature, due to invagination of azygos vein into RUL, no clinical significance (12 Dec 1998) |
| basophil cell of anterior lobe of hypophysis | beta cell of anterior lobe of hypophysis |
| parietal lobe | Part of the brain and specifically a section of thecerebral hemisphere. (12 Dec 1998) |
| parietal lobe epilepsy | A localization-related epilepsy where seizures originate within the parietal lobe. Seizure semiology may involve abnormalities of sensation. (05 Mar 2000) |
| parietal lobe of cerebrum | The middle portion of each cerebral hemisphere, separated from the frontal lobe by the central sulcus, from the temporal lobe by the lateral sulcus in front and an imaginary line projected posteriorly, and from the occipital lobe only partially by the parieto-occipital sulcus on its medial aspect. Synonym: lobus parietalis cerebri, parietal lobe. (05 Mar 2000) |
| caudate lobe | A small lobe of the liver situated posteriorly between the sulcus for the vena cava and the fissure for the ligamentum venosum. Synonym: caudate lobe, Spigelius' lobe. Lobi cerebri, the major divisions of the cerebral hemisphere; they include the frontal, parietal, temporal, and occipital lobes, named for the overlying bones of the skull. Synonym: lobes of cerebrum. Lobus clivi, the clivus monticuli and the posterior crescentic lobules of the cerebellum considered as one lobe. (05 Mar 2000) |
| glandular lobe of hypophysis | It consists of the distal part, intermediate part, and infundibular part. See: hypophysis. Synonym: lobus anterior hypophyseos, anterior lobe of hypophysis, glandular lobe of hypophysis, lobus glandularis hypophyseos. (05 Mar 2000) |
| renal lobe | One of the subdivisions of the kidney, consisting of a renal pyramid and the cortical tissue associated with it. Synonym: lobus renalis. (05 Mar 2000) |
| Riedel's lobe | An occasional tongue-like process extending downward from the right lobe of the liver lateral to the gallbladder; a similar process may, though rarely, extend from the left lobe. Synonym: lobus appendicularis, lobus linguiformis. (05 Mar 2000) |