Choose from Stratified Columnar Epithelium stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Video Back Videos home Signature collection ...

The pseudostratified epithelium of the upper (proximal ... In the lower (distal) airways, where the epithelium is columnar, Clara cells predominate over ciliated cells. Clara cells in the ...

Feb. 4, 2025 — Research has shown that a potential new targeted therapy for childhood brain cancer is effective in infiltrating and killing tumor cells in preclinical models tested in mice.

Feb. 10, 2025 — Influenza A virus particles strategically adapt their shape -- to become either spheres or larger filaments -- to favor their ability to infect cells depending on environmental ...

The stability of Pt-based catalysts is critical to the reliability of proton exchange membrane fuel cells. Here, the authors use stroboscopic operando high energy X-ray scattering to reveal Pt ...

Many cells in multicellular organisms are specialised. They have specific roles in the organism of which they are part. Their structure is adapted to their function. They are often grouped ...

This is called photosynthesis. The basic structure of a plant cell is shown below. Photosynthesis relies on many structures in the cell all working together, each playing its role. The diagram ...