Hemangioblastoma

A WHO grade I tumor of uncertain histogenesis which is composed of stromal cells and abundant capillaries. Approximately 25% of hemangioblastomas are associated with Von Hippel-Lindau disease, a disease inherited through an autosomal dominant trait and characterized by the development of hemangioblastomas of the central nervous system and retina, clear cell renal carcinoma, pheochromocytoma, and pancreatic and inner ear tumors. (NCI Thesaurus/Adapted from WHO)

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An obsolete term referring to hemangiopericytoma of the central nervous system.

Hemangeol

A drug used to treat infantile hemangioma (a benign blood vessel tumor). It is used in infants 5 weeks to 5 months…

Hemagglutinin-neuraminidase

A protein found in the outer coat of paramyxoviruses. This protein helps virus particles bind to cells, making infection easier.

HELQ wt Allele

Human HELQ wild-type allele is located in the vicinity of 4q21.23 and is approximately 49 kb in length. This allele, which encodes…

HELQ Gene

This gene plays a role in DNA unwinding.

Helpessness

A feeling of being unable to control yourself or your circumstances.