epithelial tissue
Học thuậtThân thiện
Definition
- Noun:
- A membranous tissue covering internal organs and other internal surfaces of the body: Epithelial tissue is a primary animal tissue that forms continuous sheets of cells. It lines the cavities and surfaces of blood vessels and organs throughout the body, serving as a protective barrier, and is involved in secretion, absorption, and sensation.
Usage Examples
- Noun:
- The skin is composed of layers of epithelial tissue.
- Damage to the epithelial tissue lining the stomach can lead to ulcers.
- The primary function of this epithelial tissue is absorption of nutrients.
Advanced Usage
- "Simple epithelial tissue": Refers to a single layer of epithelial cells.
- Simple epithelial tissue is found in areas where filtration or absorption is the primary function, such as the kidneys.
- "Stratified epithelial tissue": Refers to multiple layers of epithelial cells.
- Stratified epithelial tissue provides protection in areas subject to wear and tear, like the skin and esophagus.
Variants and Related Words
- Epithelium (n): Another term for epithelial tissue, often used interchangeably.
- The cornea is covered by a transparent epithelium.
- Epithelial (adj): Of or relating to epithelial tissue.
- The biopsy showed abnormal epithelial cells.
Synonyms
- Epithelium: The cellular covering of internal and external body surfaces.
- Surface tissue: A descriptive synonym emphasizing its location and protective role.
Related Phrases
- Epithelial layer: A specific sheet or stratum of epithelial cells.
- The intestinal epithelial layer is constantly renewed.
- Epithelial barrier: Refers to the protective function of the tissue.
- The epithelial barrier prevents pathogens from entering the bloodstream.
Related Concepts
- Basement membrane: The thin, fibrous layer underlying the epithelial tissue to which it attaches.
- The epithelial tissue is anchored to the connective tissue by a basement membrane.
- Glandular epithelium: A type of epithelial tissue specialized for secretion.
- The pancreas contains glandular epithelium that produces digestive enzymes.
Noun
- membranous tissue covering internal organs and other internal surfaces of the body