| Heidelberger curve | A graph of the quantity of precipitate formed as a function of the quantity of antigen added during the titration of an antibody with an antigen. Synonym: Heidelberger curve. (05 Mar 2000) |
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| Heidenhain | Rudolph P., German histologist and physiologist, 1834-1897. See: Heidenhain's crescents, Heidenhain's demilunes, Heidenhain's law, Heidenhain's azan stain, Heidenhain's iron haematoxylin stain, Heidenhain pouch, Biondi-Heidenhain stain. (05 Mar 2000) |
| Heidenhain's azan stain | <technique> A technique using azocarmine B or G followed by aniline blue to stain nuclei and erythrocytes red, muscle orange, glia fibrils reddish, mucin blue, and collagen and reticulum dark blue. Origin: azocarmine + aniline blue (05 Mar 2000) |
| Heidenhain's crescents | The serous cells at the distal end of a mucous, tubuloalveolar secretory unit of certain salivary glands. Synonym: Giannuzzi's crescents, Giannuzzi's demilunes, Heidenhain's crescents, Heidenhain's demilunes. (05 Mar 2000) |
| Heidenhain's demilunes | The serous cells at the distal end of a mucous, tubuloalveolar secretory unit of certain salivary glands. Synonym: Giannuzzi's crescents, Giannuzzi's demilunes, Heidenhain's crescents, Heidenhain's demilunes. (05 Mar 2000) |
| Heidenhain's iron haematoxylin stain | <technique> An iron alum haematoxylin stain used for staining muscle striations and mitotic structures blue-black. (05 Mar 2000) |
| Heidenhain's law | Glandular secretion is always accompanied by an alteration in the structure of the gland. (05 Mar 2000) |
| heifer | <zoology> A young cow. Origin: OE. Hayfare, AS. Heahfore, heafore; the second part of this word seems akin to AS. Fearr bull, ox; akin to OHG. Farro, G. Farre, D. Vaars, heifer, G. Farse, and perh. To Gr, calf, heifer. Source: Websters Dictionary (01 Mar 1998) |
| height | Vertical measurement. Anterior facial height (AFH), in cephalometrics, the linear measurement from the nasion to the menton. Height of contour, the line encircling a tooth or other structure at its greatest bulge or diameter with respect to a selected path of insertion. (05 Mar 2000) |
| height of contour | See: height of contour. (05 Mar 2000) |
| height vertigo | Dizziness experienced when looking down from a great height or in looking up at a high building or cliff. Synonym: vertical vertigo. (05 Mar 2000) |
| height-length index | The relation of the height to the length of the skull: (height × 100)/length. Synonym: height-length index, length-height index, transversovertical index. (05 Mar 2000) |
| Heilbronner | Karl, Dutch physician, 1869-1914. See: Heilbronner's thigh. (05 Mar 2000) |
| Heim | Ernst L., German physician, 1747-1834. See: Heim-Kreysig sign. (05 Mar 2000) |
| Heim-Kreysig sign | <clinical sign> In adherent pericardium, an indrawing of the intercostal spaces, synchronous with the cardiac systole. Synonym: Kreysig's sign. (05 Mar 2000) |