| juxtaglomerular apparatus | A collective term for the juxtaglomerular cells in a nephron. These are specialised cells containing secretory granules, located in the tunica media of the afferent glomerular arterioles. They are receptors thought to stimulate secretion of the adrenal hormone aldosterone and to play a major role in renal autoregulation. (12 Dec 1998) |
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| Kirschner's apparatus | An apparatus for skeletal traction in long bone fracture. Synonym: Kirschner's apparatus. (05 Mar 2000) |
| Kjeldahl apparatus | <apparatus, chemistry> An apparatus for distilling ammonia arising from acid decomposition of an organic compound; used in nitrogen analysis. (05 Mar 2000) |
| urinary apparatus | The organs concerned in the production and excretion of urine, together with the organs of reproduction. (12 Dec 1998) |
| urogenital apparatus | The organs concerned in the production and excretion of urine, together with the organs of reproduction. (12 Dec 1998) |
| lacrimal apparatus | The tear-forming and tear-conducting system which includes the lacrimal glands, eyelid margins, conjunctival sac, and the tear drainage system. (12 Dec 1998) |
| lacrimal apparatus diseases | Diseases of the lacrimal apparatus. (12 Dec 1998) |