Red Blood Cells, SEM

Numéro d’image : 12627578
Red Blood Cells, SEM
Colour-enhanced SEM of red blood cells (RBCs). Also called erythrocytes, they are the most common type of blood cell and the vertebrate organism's principal means of delivering oxygen (O2) to the body tissues - via blood flow through the circulatory system. RBCs take up oxygen in the lungs or gills and release it into tissues while squeezing through the body's capillaries. The cytoplasm of erythrocytes is rich in haemoglobin, an iron-containing biomolecule that can bind oxygen and is responsible for the red colour of the cells. The cell membrane is composed of proteins and lipids, and this structure provides properties essential for physiological cell function such as deformability and stability while traversing the circulatory system and specifically the capillary network. In humans, mature red blood cells are flexible and oval biconcave disks. Magnification 10, 000x, 8x10 print. This image has been colour enhanced.
Licence : Droits gérés
Crédit: Science Photo Library / Porter, Keith R.
Taille de l’image : 3218 px × 4200 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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