| clear cell acanthoma | A sharply demarcated benign epidermal lesion of a leg or arm with acanthosis and accumulation of glycogen in keratinocytes having pale staining cytoplasm. (05 Mar 2000) |
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| pale globe | The representation of the phylogenetically oldest part of the corpus striatum called the paleostriatum. It forms the smaller, more medial part of the lentiform nucleus. (12 Dec 1998) |
| pale hypertension | Hypertension with pallor of the skin, a severe form with pronounced constriction of peripheral vessels. (05 Mar 2000) |
| pale infarct | An infarct in which little or no bleeding into tissue spaces occurs when the blood supply is obstructed. Synonym: pale infarct, white infarct. (05 Mar 2000) |
| pale thrombus | A thrombus of opaque dull white colour composed essentially of blood platelets. Synonym: pale thrombus. (05 Mar 2000) |
| acanthoma | <tumour> A tumour formed by proliferation of epithelial squamous cells. See: keratoacanthoma. Origin: acantho-+ G. -oma, tumour (05 Mar 2000) |
| acanthoma adenoides cysticum | <tumour> Multiple small benign nodules, occurring mostly on the skin of the face, derived from basal cells of hair follicles enclosing small keratin cysts; frequent autosomal dominant inheritance. Synonym: acanthoma adenoides cysticum, Brooke's tumour, epithelioma adenoides cysticum, hereditary multiple trichoepithelioma. Origin: tricho-+ epithelioma (05 Mar 2000) |
| acanthoma fissuratum | A fissure bordered by acanthosis developing at a site of friction by spectacle frames, usually behind the ears. (05 Mar 2000) |
| Degos' acanthoma | <tumour> An obsolete term for clear cell acanthoma. (05 Mar 2000) |
| T-cell-rich, B-cell lymphoma | <tumour> A B-cell lymphoma in which more than 90% of the cells are of T-cell origin, masking the large cells that form the neoplastic B-cell component. See: adult T-cell lymphoma. (05 Mar 2000) |
| absorption cell | A small glass chamber with parallel sides, in which absorption spectra of solutions can be obtained. (05 Mar 2000) |
| acid cell | One of the cell's of the gastric glands; it lies upon the basement membrane, covered by the chief cell's, and secretes hydrochloric acid that reaches the lumen of the gland through fine intracellular and intercellular canals (canaliculi). Synonym: acid cell, oxyntic cell. (05 Mar 2000) |
| acidophil cell | A cell whose cytoplasm or its granules stain with acid dyes. (05 Mar 2000) |
| acinar cell | Any secreting cell lining an acinus, especially applied to the cell's of the pancreas that furnish pancreatic juice and enzymes to distinguish them from the cell's of ducts and the islets of Langerhans. Synonym: acinous cell. (05 Mar 2000) |
| acinar cell tumour | A solid and cystic tumour of the pancreas, occurring in young women; tumour cells contain zymogen granules. (05 Mar 2000) |