PERITHELIUM Meaning and
Definition
-
Perithelium is a term used in biology to describe a specific type of tissue arrangement found in certain organisms, particularly in invertebrates. It refers to a single layer of epithelial cells that line the outer surface of the body or an organ.
Epithelial tissues are a type of protective covering found in various parts of the body and serve multiple functions such as absorbing, secreting, and protecting underlying tissues. Perithelium specifically denotes a layer of epithelial cells that acts as a protective covering on the outer surface.
This specialized tissue arrangement is commonly observed in marine invertebrates, particularly among certain species of worms and mollusks. The perithelium acts as a barrier between the organism and its environment, providing protection and preventing the loss of vital fluids.
The cells that make up the perithelium are tightly packed together, forming a cohesive layer that is impermeable to external threats such as pathogens or harsh environmental conditions. This layer of cells may also exhibit adaptations to aid in the secretion of mucus or other substances that contribute to the organism's overall defense mechanism.
Overall, perithelium plays a crucial role in maintaining the integrity and protection of the outer surface of an organism's body or organ. Its specialized structure ensures that vital processes can take place within the organism while minimizing the risk of damage or infection from the outside environment.
-
The adventitia or outer coat of the blood-vessels.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for PERITHELIUM
- oerithelium
- lerithelium
- 0erithelium
- pwrithelium
- psrithelium
- pdrithelium
- prrithelium
- p4rithelium
- p3rithelium
- peeithelium
- pedithelium
- pefithelium
- petithelium
- pe5ithelium
- pe4ithelium
- peruthelium
- perjthelium
- perkthelium
- perothelium
Etymology of PERITHELIUM
The word "perithelium" is derived from two Greek roots: "peri" meaning "around" or "surrounding", and "thelē" meaning "breast" or "nipple". In Latin, "thelium" refers to epithelium, which is a tissue that lines the surfaces of organs, glands, and cavities in the body. Therefore, "perithelium" describes a tissue or layer that surrounds or encircles the epithelium.
Similar spelling word for PERITHELIUM
Infographic
Add the infographic to your website:
