A large bone marrow cell not usually found in the circulating blood; it is regarded as the precursors of blood platelets; it is up to 100 mm in diameter, with a polyploid nucleus. Also referred to as megacaryocyte, megalokaryocyte, and thromboblast.
A large cell that has a lobulated nucleus, is found especially in the bone marrow, and is the source of blood platelets.
large cell in the bone marrow that produces platelets released into the blood.
A large cell in the bone marrow from which platelets are formed.
large cell in the bone marrow which produce platelets.
An extremely large cell with an irregular lobed, ring or doughnut-shaped nucleus that stains blue-purple. The cytoplasm is abundant, light blue and is packed with fine azurophilic granules. This cell gives rise to thrombocytes.
Large bone marrow cell that gives rise to platelets.
a large cell found in the bone marrow that give rise to blood platelets.
A giant cell found in the bone marrow; it is the precursor of the blood platelets.
A very large (giant) cell in the marrow. It sheds its cytoplasm in small fragments, which become the blood platelets.
a large cell in the bone marrow whose function is to produce platelets
A large cell with a lobulated nucleus found in bone marrow, considered to be the source of blood platelets.
Large cells in the bone marrow from which pieces break off to form platelets.
A giant cell containing (usually) a single polyploid nucleus. The multilobed nucleus often appears to be several independent nuclei, making discrimination of these cells from osteoclasts somewhat difficult. The cell cytoplasm is somewhat granular. Megakaryoctyes are found in bone marrow where they give rise to platelets by budding.
A large bone marrow cell having a lobulate nucleus (one with lobes); the source of blood platelets.
A large cell with a polyploid nucleus that is usually multilobed; megakaryocytes are normally present in bone marrow, not in the circulating blood, and give rise to blood platelets.
Giant cell found in the bone marrow; fragments form platelets
The megakaryocyte is a bone marrow cell responsible for the production of blood platelets when its cytoplasm becomes fragmented. These fragments are blood platelets. Megakaryocytes account for less than 1% of bone marrow cells but can be 10 to 15 times larger than a typical red blood cell.(http://wikibooks.org/wiki/Biology_Cell_biology_Introduction_Cell_size Compare to other cells) DNA synthesis is occurring in the nucleus during thrombopoiesis (stimulated by thrombopoietin) without cytokenesis, aka endoreduplication.