Hematopoiesis
The production of all types of blood cells including formation, development, and differentiation of blood cells. Prenatally, hematopoiesis occurs in the yolk sack, then in the liver, and lastly in the bone marrow. In the normal situation, hematopoiesis in adults occurs in the bone marrow and lymphatic tissues. All types of blood cells are derived from primitive cells (stem cells) that are pluripotent (they have the potential to develop into all types of blood cells).
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- Hematopoietic
Pertaining to hematopoiesis, the production of all types of blood cells. Also called hemopoietic.
- Heritability
The degree to which something is inherited.
- Heritable
Capable of being transmitted from parent to child.
- Heritable connective tissue disease
A disorder due to mutation of a gene responsible for connective tissue, the material that gives tissues form and strength. These mutations may change the structure and development of skin, bones, joints, heart, blood vessels, lungs, eyes, and ears. Some mutations also change how these tissues work. There are over 300 mutations affecting collagen, a […]
- Hermansky-Pudlak syndrome
A group of genetic diseases characterized by a deficiency of pigment in the skin and eye, a bleeding tendency resulting from a platelet storage pool deficiency, and systemic disorders related to deficient function of lysosomes. Abbreviated HPS. Albinism that occurs in the eyes results in significant reduction in visual acuity. Pulmonary fibrosis and granulomatous colitis […]