Cellular biology - Stock Photos, Royalty Free Images

Digital artwork showing inclusion composed of group of chlamydia reticulate bodies of Chlamydia trachomatis bacteria.

Neutrophil white blood cells, digital illustration.

Pathological phosphorylation of red-orange Tau proteins by blue-purple kinases affecting nerve cells in Alzheimers disease, illustration.

Pseudostratified columnar epithelium, digital illustration.

Pathological phosphorylation of red-orange Tau proteins by blue-purple kinases affecting nerve cells in Alzheimers disease, illustration.

Structure of neutrophil white blood cell, digital illustration.

Neutrophil white blood cell in blood, digital artwork.

Illustration of process leading to formation of amyloid protein plaques on neurons in Alzheimer disease.

Molecular model of pink mdm2 protein binding to anti-cancer protein p53.

Illustration of enzymes driving synthesis of energy-carrying molecule ATP.

Pink molecular model of DNA binding to anti-cancer protein p53.

Structure of neutrophil white blood cell, digital illustration.

Pink molecular model of DNA binding to anti-cancer protein p53.

Structure of neutrophil white blood cell, digital illustration.

Neutrophil white blood cell in blood, digital artwork.

Structure of neutrophil white blood cell, digital illustration.

Lungs pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual illustration.

Neutrophil white blood cell in blood, digital artwork.

Molecular model of the anti-cancer protein p53.

Lungs pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual illustration.

Illustration of transmembrane proteins with ligands on white background.

Illustration of enzyme complex ATP production in mitochondrion.

Lungs pneumonia caused by Mycoplasma pneumoniae bacteria, conceptual illustration.

Activation of ras protein, digital illustration.

Digital artwork of round blue cells on black background.

Digital artwork of round blue cells on plain background.

Stem cells dividing in bone marrow, digital illustration.

Transparent cells on grey background, digital illustration.

Illustration of dendritic cell interacting with T-cells on black background.

Transparent cells on white background, digital illustration.

Transparent cells on purple background, digital illustration.

Transparent cells on white background, digital illustration.

Illustration of human multi-cellular embryo.

Endorphin molecules binding to receptors, illustration.

Structure of trachea, light micrograph.

$Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue. — Stock Photo$

Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue.

Human cell, computer illustration.

Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla).

Light micrograph (LM) of the nasal sinuses ( lined by brown epithelium ) and the supporting cartilages (pink).

$Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes). — Stock Photo$

Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (grey) and large intercellular air spaces (holes).

Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.

$Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow). — Stock Photo$

Coloured scanning electron micrograph (SEM) of a freeze-fractured Nasturtium stem, showing numerous vascular bundles (such as at upper centre) with an inner xylem (pink) and outer phloem (yellow).

Coloured scanning electron micrograph (SEM) of a squamous cell on the surface of the skin.

Transverse section through a leaf showing foveate stomata (light areas on underside of leaf.

$Freeze-fractured lens of an eye — Stock Photo$

Freeze-fractured lens of an eye

Coloured scanning electron micrograph (SEM) of a tumour cell, showing pseudopodia protrusions (bottom left and right), a prominent feature of actively motile cells.

Light micrograph of a cross section through a grape vine (Vitis sp.) stem.

$Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue. — Stock Photo$

Coloured scanning electron micrograph (SEM) of a fractured mucous membrane of the trachea (wind pipe), showing the epithelium and underlying connective tissue.

Light micrograph (LM) of a section through the fingertip.

Light micrograph (LM) of a vertical section through the pseudostratified columnar epithelium from the trachea, the tube in the throat leading from the mouth to the bronchus and the lungs.

Coloured scanning electron micrograph (SEM) of a squamous cell on the surface of the skin.

Coloured scanning electron micrograph (SEM) of the shell of the foraminiferan Orbulina sp.

Light micrograph (LM). Longitudinal section through the thallus and sporangium of a liverwort (Pellia epiphylla).

Fallopian tube, TEM

Duct lined with pseudostratified epithelium

Light micrograph (LM) of the nasal sinuses ( lined by brown epithelium ) and the supporting cartilages (pink).

$Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes). — Stock Photo$

Coloured scanning electron micrograph (SEM) of a freeze-fractured water lily stem showing numerous vascular bundles (blue) and large intercellular air spaces (holes).