తెల్ల రక్తకణాలు

వికీపీడియా నుండి
ఇక్కడికి గెంతు: మార్గసూచీ, వెతుకు

తెల్ల కణాలు లేదా తెల్ల రక్తకణాలు (White Cells or White Blood Cells) రక్తం లోని ఒక విధమైన కణాలు.

తెల్లకణాల పట్టిక[మార్చు]

Type Microscopic Appearance Diagram Approx. %
in adults[1]
Diameter (μm)[1] Main targets[2] Nucleus[2] Granules[2] Lifetime[1]
Neutrophil PBNeutrophil.jpg Neutrophil.png 54-62%[3] 10-12 multilobed fine, faintly pink 6 hours-few days
(days in spleen and other tissue)
Eosinophil Eosinophil.jpg Eosinophil2.png 1-6% 10-12 bi-lobed full of pink-orange (when stained) 8-12 days (circulate for 4-5 hours)
Basophil PBBasophil.jpg Basophil.png <1% 12-15 bi- or tri-lobed large blue  ?
Lymphocyte Lymphocyte2.jpg Lymphocyte.png 25-33% 7-8 deeply staining, eccentric NK-cells and Cytotoxic (CD8+) T-cells [4] weeks to years
Monocyte Monocyte.png 2-8% 14-17 Monocytes migrate from the bloodstream to other tissues and differentiate into tissue resident macrophages or dendritic cells. kidney shaped none hours-days
Macrophage Macrophage.jpg Macrophage.png 21 (human)[5] 13 (rat)[6] Phagocytosis (engulfment and digestion) of cellular debris and pathogens, and stimulation of lymphocytes and other immune cells that respond to the pathogen. activated=days immature=months-years
Dendritic cells Dendritic cell.JPG Dendritic Cell ZP.svg Main function is as an antigen-presenting cell (APC) that activates T lymphocytes. similar to macrophages

మూలాలు[మార్చు]

  1. 1.0 1.1 1.2 Daniels, Victor G.; Wheater, Paul R.; Burkitt, H. George (1979). Functional histology: a text and colour atlas. Edinburgh: Churchill Livingstone. ISBN 0-443-01657-7. 
  2. 2.0 2.1 2.2 Alberts, Bruce (2005). "Leukocyte functions and percentage breakdown". Molecular Biology of the Cell. NCBI Bookshelf. సంగ్రహించిన తేదీ 2007-04-14. 
  3. ఉదహరింపు పొరపాటు: సరైన <ref> కాదు; wisc-online.com అనే పేరుగల ref లకు పాఠ్యమేమీ ఇవ్వలేదు
  4. Semester 4 medical lectures at Uppsala University 2008 by Leif Jansson
  5. Environemental Health Perspectives 150(5), Sept. 1997
  6. Environmental Health Perspectives 150(5), Sept. 1997