What does columnar cell mean?
Definitions for columnar cell
colum·nar cell
This dictionary definitions page includes all the possible meanings, example usage and translations of the word columnar cell.
Princeton's WordNet
columnar cell, columnar epithelial cellnoun
an epithelial cell that is shaped like a column; some have cilia
Wikipedia
columnar cell
Epithelium or epithelial tissue is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous tissue. It is a thin, continuous, protective layer of compactly packed cells with a little intercellular matrix. Epithelial tissues line the outer surfaces of organs and blood vessels throughout the body, as well as the inner surfaces of cavities in many internal organs. An example is the epidermis, the outermost layer of the skin. There are three principal shapes of epithelial cell: squamous (scaly), columnar, and cuboidal. These can be arranged in a singular layer of cells as simple epithelium, either squamous, columnar, or cuboidal, or in layers of two or more cells deep as stratified (layered), or compound, either squamous, columnar or cuboidal. In some tissues, a layer of columnar cells may appear to be stratified due to the placement of the nuclei. This sort of tissue is called pseudostratified. All glands are made up of epithelial cells. Functions of epithelial cells include diffusion, filtration, secretion, selective absorption, germination, and transcellular transport. Compound epithelium has protective functions. Epithelial layers contain no blood vessels (avascular), so they must receive nourishment via diffusion of substances from the underlying connective tissue, through the basement membrane.: 3 Cell junctions are especially abundant in epithelial tissues.
Matched Categories
Numerology
Chaldean Numerology
The numerical value of columnar cell in Chaldean Numerology is: 9
Pythagorean Numerology
The numerical value of columnar cell in Pythagorean Numerology is: 3
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"columnar cell." Definitions.net. STANDS4 LLC, 2024. Web. 2 May 2024. <https://www.definitions.net/definition/columnar+cell>.
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