| Haubenfelder | Three circumscript, myelin-rich regions of the subthalamus known as H fields (from Haubenfelder); 1) field H1, corresponding to the thalamic fasciculus, a horizontal fibre stratum at the junction of the subthalamus and the overlying thalamus, is composed of pallidothalamic and cerebellothalamic fibres (brachium conjunctivum) and is separated by the zona incerta from the more ventrally placed field H2; 2) field H2, formed by the lenticular fasciculus and arching over the dorsal border of the subthalamic nucleus, is composed largely of pallidothalamic fibres; 3) field H3 or prerubral field, is a large field of intermingling gray and white matter immediately rostral to the red nucleus, uniting fields H1 and H2 around the medial margin of the zona incerta; its gray matter forms the prerubral nucleus. See: lenticular loop. Synonym: campi foreli, tegmental fields of Forel. (05 Mar 2000) |
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| Hauch | <microbiology> A term used to designate the flagellar antigen of bacteria. See: H antigen. Origin: Ger. Breath (05 Mar 2000) |
| Haudek's niche | <radiology> An archaic term for the radiographic appearance in profile of contrast material filling a gastric ulcer in the wall of the stomach. (05 Mar 2000) |
| Haudek, Martin | <person> Austrian roentgenologist, 1880-1931. See: Haudek's niche. (05 Mar 2000) |
| hauerite | <chemical> Native sulphide of manganese a reddish brown or brownish black mineral. Origin: Named after Von Hauer, of Vienna. Source: Websters Dictionary (01 Mar 1998) |
| haughtiness | The quality of being haughty; disdain; arrogance. It denotes the expression of conscious and proud superiority; arrogance is a disposition to claim for one's self more than is justly due, and enforce it to the utmost; disdain in the exact reverse of condescension toward inferiors, since it expresses and desires others to feel how far below ourselves we consider them. A person is haughty in disposition and demeanor; arrogant in his claims of homage and deference; disdainful even in accepting the deference which his haughtiness leads him arrogantly to exact. Synonym: arrogance, disdain, contemptuousness, superciliousness, loftiness. Origin: For hauteinness. See Haughty. Source: Websters Dictionary (01 Mar 1998) |
| hausen | <zoology> A large sturgeon (Acipenser huso) from the region of the Black Sea. It is sometimes twelve feet long. Origin: G. Source: Websters Dictionary (01 Mar 1998) |
| Hauser, G | <person> 20th century German gynecologist. See: Mayer-Rokitansky-Kuster-Hauser syndrome, Rokitansky-Kuster-Hauser syndrome. (05 Mar 2000) |
| haustellata | <zoology> An artificial division of insects, including all those with a sucking proboscis. Origin: NL, fr. Haustellum, fr. L. Haurire, haustum, to draw water, to swallow. See Exhaust. Source: Websters Dictionary (01 Mar 1998) |
| haustellate | <zoology> Provided with a haustellum, or sucking proboscis. One of the Haustellata. See: Haustellata. Source: Websters Dictionary (01 Mar 1998) |
| haustellum | <zoology> The sucking proboscis of various insects. See Lepidoptera, and Diptera. Origin: NL. Source: Websters Dictionary (01 Mar 1998) |
| haustorium | <plant biology> A projection from a cell or tissue of a fungus or higher plant, that penetrates another plant and absorbs nutrients from it. In fungi it is a hyphal projection that penetrates into the cytoplasm of a host plant cell, in parasitic angiosperms, it is a modified root. (18 Nov 1997) |
| haustra | Plural of haustrum. Origin: L. (05 Mar 2000) |
| haustra coli | <anatomy> The sacculations of the colon, caused by the teniae, or longitudinal bands, which are slightly shorter than the gut so that the latter is thrown into tucks or pouches. Synonym: haustra coli, haustrations of colon, sacculation of colon. (05 Mar 2000) |
| haustra of colon | <anatomy> The sacculations of the colon, caused by the teniae, or longitudinal bands, which are slightly shorter than the gut so that the latter is thrown into tucks or pouches. Synonym: haustra coli, haustrations of colon, sacculation of colon. (05 Mar 2000) |