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Cellula precursor, stamcellula[1] o cellula staminal[2] es un cellula trovabile in tote le organismos multicellular. Illos son characterisate per le habilitate de renovar se per division cellular mitotic e de differentiar se in diverse cellulas specialisate.

Nota
Nota
Cellulas staminal embryonic de mus con un marca fluorescente.
Cellulas originator embryonic de humano.

Le duo major typos de cellulas staminal in mammiferos son: cellulas staminal embryonic que se trova in blastocystes, e cellulas staminal adulte que son trovate in texitos de adultos.[3]

Cellulas staminal adulte

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Division e differentiation de cellulas originator A - cellula originator; B - cellula progenitor; C - cellulas differentiate; 1 - division de cellulas symmetric; 2 - division de cellulas asymmetric; 3 - division progenitor; 4 - differentiation terminal

Referentias

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  1. Radice germanic Stam 'pedunculo, cippo'; cf. anglese stem cell.
  2. Derivationes: (la) Cellula praecursoria - (de) Stammzelle; (en) Stem cell; (pt) Célula estaminal; (es) Célula madre; (ca) Cèl·lula mare; (fr) Cellule souche; (it) Cellula staminale; (ro) Celule stem; (ru) Стволовые клетки
  3. Tuch BE (2006). "Stem cells--a clinical update". Australian family physician 35 (9): 719–21. PMID 16969445. 

Ligamines externe

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General
Peer-reviewed journals