| mesonephric rest | Remnants of the wolffian duct in the female genital tract that give rise to cysts; e.g., Gartner's cyst. Synonym: mesonephric rest. (05 Mar 2000) |
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| cingulum rest | The rigid part of a removable partial denture supported by a prepared rest area on the cingulum of an anterior tooth or crown. (05 Mar 2000) |
| physiologic rest position | The usual position of the mandible when the patient is resting comfortably in the upright position and the condyles are in a neutral unstrained position in the glenoid fossae. See: rest relation. Synonym: postural position, postural resting position, rest position. (05 Mar 2000) |
| Walthard's cell rest | A nest of epithelial cells occurring in the peritoneum of the uterine tubes or ovary; when neoplastic, possibly comprising one of the components of the Brenner tumour. (05 Mar 2000) |
| wolffian rest | Remnants of the wolffian duct in the female genital tract that give rise to cysts; e.g., Gartner's cyst. Synonym: mesonephric rest. (05 Mar 2000) |
| precision rest | A rest consisting of closely interlocking parts. (05 Mar 2000) |
| incisal rest | The portion of a removable partial denture supported by an incisal edge. (05 Mar 2000) |
| interocclusal rest space | The vertical distance between the opposing occlusal surfaces, assuming rest relation unless otherwise designated. Synonym: interocclusal rest space. Synonym: freeway space. (05 Mar 2000) |
| occlusal rest | A rigid extension of a removable partial denture onto the occlusal surface of a posterior tooth for support of the prosthesis. (05 Mar 2000) |
| occlusal rest bar | A minor connector used to attach an occlusal rest to a major part of a removable partial denture. (05 Mar 2000) |
| knife-rest crystal | A crystal of ammoniomagnesium phosphate found in alkaline urine. (05 Mar 2000) |
| lingual rest | A metallic extension onto the lingual surface of a tooth to provide support or indirect retention for a removable partial denture. (05 Mar 2000) |
| accessory adrenal | An island of cortical tissue separate from the adrenal gland, usually found in the retroperitoneal tissues, kidney, or genital organs. Synonym: adrenal rest. (05 Mar 2000) |
| acute adrenal crisis | <endocrinology> An abrupt life-threatening state which is caused by insufficient production of cortisol by the adrenal gland. A typical finding in Addison's disease. Individuals who have been taking corticosteroids (glucocorticoids) for a prolonged period of time (weeks to months) are at risk for acute adrenal crisis if the medication is stopped abruptly. For this reason, corticosteroid medication are withdrawn slowly on a diminishing dosing schedule. Symptoms include low blood pressure (shock), weakness, headache, vomiting, fever chills, tachycardia and sweating. Treatment includes blood pressure support and intravenous hydrocortisone. (27 Sep 1997) |
| adenoma, adrenal cortical | A benign neoplasm of adrenal cortical cells resembling normal adrenal cells histologically but possessing functional autonomy. In general it does not exceed 5 cm in its largest dimension, although benign tumours exceeding 20 cm have been reported. Adrenal cortical adenomas produce hypercortisolism and hyperaldosteronism, but seldom produce adrenogenital syndromes. For the most part the prognosis after surgery is reasonably favourable. (12 Dec 1998) |