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Helium Definition Helium belongs to the group of noble gases. It occurs naturally in the air, source...

Helotomy Definition Surgical removal of skin calluses (Heloma), corns or other hyperkeratoses (Helose...

Helper peak 2 (hp-2) Go to interleukin-3

Hemagglutinins Definition Haemagglutinins are of great importance as surface antigens for some viruse...

Hemangioma elastic Definition Acquired benign hemangioma in light-damaged skin. Localization In sun-e...

Hemangioma symplastic Definition Solitary benign, skin-coloured or slightly reddish lump of skin whic...

Hemangiomatosis viscerocutaneous Go to Blue Rubber Bleb Nevus Syndrome

Verrucous hemangioma Go to S.u. Angiokeratoma circumscriptum

Hematin (inci) Definition Hematin is a substance used in cosmetic formulations. Hematin acts as a hai...

Hematocrit History The first test method for determining hematocrit was developed by Paul M. Wintrobe...

Hematocrit General information Standard value: The standard value in EDTA blood is between 42% and 50...

Hematogenic contact dermatitis Go to Eczema Contact eczema haematogenous

Hemizygosity Definition Hemizygosity is the chromosomal condition in which only one allele of a gene...

Hemlock, spotted Definition The spotted hemlock, also called Conium maculatum, is a plant species fro...

Hemoglobin History Hemoglobin is one of the first proteins to be studied by X-ray crystallography, fo...

Hemoglobin General information Standard value: The standard value in EDTA blood is between 13 and 17...

Hemolysis Definition Hemolysis is the release of intracellular components of blood cells (primarily e...

Hemolysis, artifacts Definition Arteficial hemolysis is an in vitro hemolysis that can be artificiall...

Hemolytic crisis Definition Hemolytic crisis refers to an emergency situation in which there is a con...

Hemorrhagic fever syndromes Definition The term "viral haemorrhagic fevers" (VHF) or "haemorrhagic fe...

Hemostasis Definition Pathophysiology of hemostasis. Primary hemostasis with formation of a depositio...

Hemp-nettle Definition Annual herb up to 50 cm tall with finely hairy stems and pale yellow to whitis...

Hemp nut Definition Hafnuts are the seeds of the hemp plant, cannabis. The seeds are free from THC, t...

Hemp seed oil Definition Hemp seed oil is a fatty vegetable oil and, like other vegetable oils, consi...

Henbane black History Witchweed, doll's ear, Hyoscyamus niger Definition Black henbane (Hyoscyamus ni...