write note on sqamous epithelium
Answers
SQUAMOUS EPITHELIUM:
A simple squamous epithelium is a single layer of flat cells in contact with the basal lamina (one of the two layers of the basement membrane) of the epithelium. This type of epithelium is often permeable and occurs where small molecules need to pass quickly through membranes via filtration or diffusion.
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⭐Squamous Epithelium consists of a single layer of flattened cells with irregular boundaries.
⭐The cells are closely fitted like the tiles in a floor. Hence, it is also known as pavement epithelium.
Location:
✔This epithelium occurs in-
⭐the walls of blood vessels,
⭐air sacs or alveoli of the lungs,
⭐lymph vessels,
⭐wall of Bowmna's capsule,
⭐loops of Henle of the nephrons of kidneys,
⭐coelomic cavities etc.
Function:
⭐Filtration in Bowman's capsule.
⭐Exchange of materials between blood calillaries and tissue fluid.
⭐Exchange of gases.