Haema-

(hem’-ah-) \a\fia, blood]. A prefix signifying relationship with the blood. See Hema. Haidinger’s Brushes. A brush-like image seen on directing the eye toward a source of polarized light, due to the doubly refractive character of the elements of the macula. delicate filament grow- Hair ing[AS., skin ofA mammals from thekcer’].; collectively, all the filaments forming the covering of the skin. Hair is a modified epidermal structure, and consists of a shaft and a root, the latter expanded at its end into the hair-bulb, which is concave and caps the hair-papilla. H.-cell, an epithelial cell with delicate hairlike proce es, as, e.g., the hair-cells of the organ of Corti. H. -follicle, the depre ion in the corium and subcutaneous connective ti ue containing the root of the hair. 303