| TRC | tanned red cell; therapeutic residential center; total renin concentration; total respiratory conduc... |
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| suprarenal gland | See adrenal gland. (12 Dec 1998) |
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| suprarenal impression | A hollow on the visceral surface of the right lobe of the liver, adjoining the groove for inferior venae cava, in which lies the right suprarenal gland. Synonym: impressio suprarenalis. (05 Mar 2000) |
| suprarenal medulla | It is composed principally of anastomosing cords of cells in the core of the gland; the cells display a chromaffin reaction because of the presence of epinephrine and norepinephrine in their granules. Synonym: medulla glandulae suprarenalis, medulla of adrenal gland. (05 Mar 2000) |
| suprarenal plexus | An autonomic plexus formed mainly by branches from the coeliac ganglion, lying at the hilus of the suprarenal gland. Synonym: plexus suprarenalis. (05 Mar 2000) |
| suprarenal veins | See: right suprarenal vein, left suprarenal vein. (05 Mar 2000) |
| inferior suprarenal artery | <anatomy, artery> Origin, renal; distribution, suprarenal gland. Synonym: arteria suprarenalis inferior. (05 Mar 2000) |
| left suprarenal vein | <anatomy, vein> The vein from the hilum of the left suprarenal gland that passes downward to open into the left renal vein; it usually is joined by the left inferior phrenic vein. Synonym: vena suprarenalis sinistra. (05 Mar 2000) |
| alveolar ridge | That portion of bone in either the maxilla or the mandible which surrounds and supports the teeth. (12 Dec 1998) |
| alveolar ridge augmentation | Preprosthetic surgery involving rib, cartilage, or iliac crest bone grafts, usually autologous, or synthetic implants for rebuilding the alveolar ridge. (12 Dec 1998) |
| apical ectodermal ridge | The layer of surface ectodermal cells at the apex of the embryonic limb bud; considered to exert an inductive influence on the condensation of underlying mesenchyme. (05 Mar 2000) |
| basal ridge | That portion of bone in either the maxilla or the mandible which surrounds and supports the teeth. (12 Dec 1998) |
| buccocervical ridge | A convexity within the cervical third of the buccal surface of molars. (05 Mar 2000) |
| buccogingival ridge | A distinct ridge on the buccal surface of a deciduous molar tooth, approximately 1.5 mm from the crown-root junction. (05 Mar 2000) |
| bulbar ridge | One of two spiral subendocardial thickenings in the embryonic bulbus cordis; when they fuse, they divide the bulbus into the aorta and pulmonary artery. (05 Mar 2000) |
| bulboventricular ridge | An elevation on the inner surface of the embryonic heart at four to five weeks; it indicates the division between the developing ventricles and the bulbus cordis. (05 Mar 2000) |