(type of platelet granules)

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• Platelet — Platelets, or thrombocytes, are small cytoplasmic bodies derived from cells. They circulate in the blood of mammals and are involved in hemostasis leading to the formation of blood clots. Like red blood cells, platelets have no nucleus. If the… …   Wikipedia

• Platelet alpha-granule — In platelets, the term alpha granules is used to describe granules containing several growth factors (such as insulin like growth factor 1, platelet derived growth factor, TGFβ), platelet factor 4 which is a heparin binding chemokine,) and other… …   Wikipedia

• Quebec Platelet Disorder — (QPD) is a rare, autosomal dominant bleeding disorder described in a family from the province of Quebec in Canada [Hayward CP, Rivard GE, Kane WH, Drouin J, Zheng S, Moore JC, Kelton JG. An autosomal dominant, qualitative platelet disorder… …   Wikipedia

• alpha granules — 1. the predominant type of granule found in platelets; they are round to oval in shape and contain fibrinogen, platelet factor 4, and various other proteins. 2. large granules in the alpha cells of the islets of Langerhans, which are insoluble in …   Medical dictionary

• Ristocetin — is an antibiotic, obtained from Amycolatopsis lurida , previously used to treat staphylococcal infections. It is no longer used clinically because of its toxicity. It causes platelet agglutination and blood coagulation and is used to assay those… …   Wikipedia

• Neutrophil granulocyte — Neutrophil redirects here. For organisms that grow in neutral pH environments, see neutrophile. Neutrophil granulocyte A neutrophil, stained with Wright s stain.  This cell is approximately 12 µm in diameter …   Wikipedia

• blood — bloodlike, adj. /blud/, n. 1. the fluid that circulates in the principal vascular system of human beings and other vertebrates, in humans consisting of plasma in which the red blood cells, white blood cells, and platelets are suspended. 2. the… …   Universalium

• Coagulation — This article is about blood clotting. For other meanings see Coagulation (disambiguation). Coagulation is a complex process by which blood forms clots. It is an important part of hemostasis, the cessation of blood loss from a damaged vessel,… …   Wikipedia

• endocrine system, human — ▪ anatomy Introduction  group of ductless glands (gland) that regulate body processes by secreting chemical substances called hormones (hormone). Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs… …   Universalium

• cluster of differentiation — Cell membrane molecules that are used to classify leukocytes into subsets. CD molecules are classified by monoclonal antibodies. There are four general types: type I transmembrane proteins have their COOH termini in the cytoplasm and their NH2… …   Medical dictionary

• blood disease — Introduction       any disease of the blood, involving the red blood cells (erythrocytes (erythrocyte)), white blood cells (leukocytes (leukocyte)), or platelets (platelet) (thrombocytes) or the tissues in which these elements are formed the bone …   Universalium