Sustentacular cell
Sustentacular Cell
Sustentacular cells (pronunciation: sus-ten-tac-u-lar cells), also known as supporting cells, are specialized cells that provide support and nourishment to the sensory receptor cells in certain sensory organs. The term "sustentacular" is derived from the Latin word "sustentare", which means "to support".
Function
Sustentacular cells are found in various parts of the body, including the olfactory epithelium in the nose, the taste buds on the tongue, and the adrenal gland. In the olfactory epithelium, these cells help to detoxify the inhaled air and provide physical support to the olfactory receptor neurons. In the taste buds, they help to maintain the structural integrity of the organ. In the adrenal gland, they are involved in the production and secretion of steroid hormones.
Structure
Sustentacular cells are typically elongated and columnar in shape. They have a large, round nucleus and a cytoplasm filled with organelles that are necessary for their function. These cells are connected to each other and to the sensory receptor cells by tight junctions, which help to maintain the structural integrity of the organ.
Related Terms
- Olfactory epithelium
- Taste buds
- Adrenal gland
- Steroid hormones
- Sensory receptor cells
- Tight junctions
External links
- Medical encyclopedia article on Sustentacular cell
- Wikipedia's article - Sustentacular cell
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