A barrier cell is a type of cell that forms a physical barrier between two different regions of the body. These cells are found in various tissues, including the skin, gut, and lungs. Barrier cells serve as a protective layer that helps to prevent the entry of harmful substances, such as bacteria and viruses, into the body.
Definitions
A barrier cell is defined as a specialized cell that forms a barrier between two different regions of the body. These cells are typically found in tissues that are exposed to the external environment, such as the skin, gut, and lungs. Barrier cells are responsible for preventing the entry of harmful substances into the body.
Origin
The origin of barrier cells can be traced back to the early evolution of multicellular organisms. As organisms became more complex, they developed specialized cells that performed specific functions. Barrier cells evolved as a means of protecting the body from external threats, such as pathogens and environmental toxins.
Meaning in different dictionaries
The meaning of barrier cell is consistent across different dictionaries. It is defined as a specialized cell that forms a barrier between two different regions of the body. This barrier helps to prevent the entry of harmful substances into the body and is found in various tissues, including the skin, gut, and lungs.
Associations
Barrier cells are associated with the immune system and play a critical role in protecting the body from infection. These cells are also associated with various diseases and conditions, such as psoriasis, eczema, and inflammatory bowel disease.
Synonyms
The synonyms of barrier cell include epithelial cell, protective cell, and barrier-forming cell.
Antonyms
The antonyms of barrier cell include permeable cell, open cell, and non-barrier cell.
The same root words
The same root words as barrier cell include barrier, which refers to something that blocks or impedes progress, and cell, which refers to the basic unit of life.
Example Sentences
- The barrier cells in the gut help to prevent harmful bacteria from entering the bloodstream.
- Psoriasis is a condition that affects the barrier cells in the skin, causing inflammation and scaling.
- Barrier cells in the lungs help to prevent the entry of environmental toxins and pollutants.
- Inflammatory bowel disease is characterized by damage to the barrier cells in the gut, which can lead to chronic inflammation and other complications.