| ham | 1. <anatomy> The region back of the knee joint; the popliteal space; the hock. 2. The thigh of any animal; especially, the thigh of a hog cured by salting and smoking. "A plentiful lack of wit, together with most weak ham." (Shak) Origin: AS. Ham; akin to D. Ham, dial. G. Hamme, OHG. Hamma. Perh. Named from the bend at the ham, and akin to E. Chamber. Cf. Gammon ham. Source: Websters Dictionary (01 Mar 1998) |
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| Ham's test | Lysis of the patient's red cells in acidified fresh serum, specific for paroxysmal nocturnal haemoglobinuria. Synonym: Ham's test. (05 Mar 2000) |
| Ham, Thomas Hale | <person> U.S. Physician, *1905. See: Ham's test. (05 Mar 2000) |
| hamadryad | Origin: L. Hamadryas, -adis, Gr.; together + oak, tree: cf. F. Hamadryade. See Same, and Tree. 1. A tree nymph whose life ended with that of the particular tree, usually an oak, which had been her abode. 2. <zoology> A large venomous East Indian snake (Orhiophagus bungarus), allied to the cobras. Source: Websters Dictionary (01 Mar 1998) |
| hamadryas | <zoology> The sacred baboon of Egypt (Cynocephalus Hamadryas). Origin: L, a hamadryad. See Hamadryad. Source: Websters Dictionary (01 Mar 1998) |
| hamamelis | <botany> A genus of plants which includes the witch-hazel (Hamamelis Virginica), a preparation of which is used medicinally. Origin: NL, fr. Gr. A kind of medlar or service tree; at the same time + an apple, any tree fruit. Source: Websters Dictionary (01 Mar 1998) |
| hamartia | A localised developmental disturbance characterised by abnormal arrangement and/or combinations of the tissues normally present in the area. Origin: G. Hamartion, a bodily defect (05 Mar 2000) |
| hamartoblastoma | <tumour> A malignant neoplasm of undifferentiated anaplastic cells thought to be derived from a hamartoma. Origin: hamartoma + blastoma (05 Mar 2000) |
| hamartochondromatosis | Neoplasm-like foci of cartilaginous tissue in sites where cartilage is a normal constituent, but in which the growth of cartilage cells is out of proportion to the other elements of the organ. Origin: G. Hamartion, bodily defect, + chondros, cartilage, + -osis, condition (05 Mar 2000) |
| hamartoma | <oncology, tumour> Tumour like but nonneoplastic overgrowth of tissue that is disordered in structure. Examples are haemangiomas (that include the vascular naevus or birthmark) and the pigmented naevus mole). (18 Nov 1997) |
| hamartoma syndrome, multiple | A hereditary disease characterised by multiple ectodermal, mesodermal, and endodermal nevoid and neoplastic anomalies. Papules of the face and oral mucosa are the most characteristic lesion. Other changes occur in the skin, in the thyroid, the breast, the gastrointestinal system, and the nervous system. (12 Dec 1998) |
| hamartomatous | Relating to hamartoma. (05 Mar 2000) |
| hamartophobia | <psychology> Morbid fear of error or sin. Origin: G. Hamartia, fault, + phobos, fear (05 Mar 2000) |
| hamate bone | The bone on the medial (ulnar) side of the distal row of the carpus; it articulates with the fourth and fifth metacarpal, triquetral, lunate, and capitate. Synonym: os hamatum, hamatum, hooked bone, unciform bone, unciforme, uncinatum. (05 Mar 2000) |
| hamate fracture | <radiology> Associated with racquet-sport injury, best evaluated by CT (12 Dec 1998) |