Itching, flaking, or crusting of the scalp may be caused by: 1  Cradle cap, an oily, yellow crusting on a baby's scalp. 2  Dandruff, a shedding of the skin on the scalp that leaves white flakes on the head, neck, and shoulders. 3  Head lice, tiny wingless insects that cause itching and raw patches on the scalp. Head lice are most common in school-age children. Ringworm, a fungal infection of the outer layer of the scalp and in the hair. It usually causes a rash made up of circular patches with raised, red edges that resemble worms.
heteronymous hemianopia. Also found in: Dictionary, Thesaurus. Related to heteronymous hemianopia: bitemporal hemianopsia. hetÂ·erÂ·onÂ·yÂ·mous hemÂ·iÂ·anÂ·oÂ·piÂ·a. attitudinal hemianopia involving the upper field of one eye and the lower field of the other; or a binasal or bitemporal hemianopia.
familial combined hyperlipidemia an inherited disorder of lipoprotein metabolism manifested in adulthood as hypercholesterolemia, hypertriglyceridemia, or a combination, with elevated plasma apolipoprotein B and premature coronary atherosclerosis. mixed hyperlipidemia see under hyperlipemia.remnant hyperlipidemia a form in which the accumulated lipoproteins are normally transient intermediates, chylomicron remnants, and intermediate-density lipoproteins; a generic descriptor for the type III hyperlipoproteinemia phenotype.amilial combined hyperlipidemia an inherited disorder of lipoprotein metabolism manifested in adulthood as hypercholesterolemia, hypertriglyceridemia, or a combination, with elevated plasma apolipoprotein B and premature coronary atherosclerosis. mixed hyperlipidemia see under hyperlipemia.