HLA
Human leukocyte antigen, the major human histocompatibility system. HLA typing is done before transplantation to determine the degree of tissue compatibility between donor and recipient.
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- HRT (hormone replacement therapy)
The combination therapy of estrogen plus a progestogen. Formerly, hormone replacement therapy (HRT). Estrogen therapy (ET) is used to treat the symptoms of menopause. It reduces or stops the short-term changes of menopause such as hot flashes, disturbed sleep, and vaginal dryness. Estrogen therapy can prevent osteoporosis, a consequence of lowered estrogen levels. Vaginal estrogen […]
- HS
Hereditary spherocytosis. HS also stands for half-strength, hamstrings, heart sounds, heparan sulfate, hernia sac, and house surgeon.
- HSA
1. In the US, Health Saving Account. 2. Human serum albumin.
- HTLV
Human T-lymphotropic virus.
- HTLV-I
Human T-lymphotropic virus type I, often referred to simply as the human T-lymphotropic virus (HTLV). HTLV-II stands for human T-lymphotropic virus type II, which is closely related to HTLV-I. HTLV-III is now known as the human immunodeficiency virus or HIV.