keratinize
Học thuậtThân thiện
Definition
Verb (Intransitive):
- To become horny and impregnated with keratin: The process by which living cells, typically in the skin, hair, or nails, die and are filled with the tough, fibrous protein called keratin, forming a hardened, protective layer.
Verb (Transitive):
- To convert into keratin: The action of causing or promoting the transformation of cells or tissue into a keratinous substance.
Usage Examples
Verb (Intransitive):
- The cells on the surface of the skin keratinize to form a protective barrier.
- In this condition, the mucosal tissue does not keratinize properly.
Verb (Transitive):
- The treatment aims to keratinize the damaged tissue to prevent infection.
- Certain chemicals can keratinize epithelial cells in laboratory experiments.
Advanced Usage
- Medical/Dermatological Context: The term is frequently used to describe normal and pathological processes in dermatology and histology.
- The biopsy showed that the epithelium had begun to keratinize abnormally.
- Biological Process: Describes a key stage in the differentiation of cells in stratified squamous epithelium.
- As the cells migrate upwards, they gradually keratinize and are eventually shed.
Variants and Related Words
- Keratinization (noun): The process or result of keratinizing.
- Keratinization is essential for the formation of hair and nails.
- Keratinized (adjective): Describing tissue that has undergone keratinization.
- The outer layer of skin consists of keratinized cells.
- Keratin (noun): The tough, insoluble protein that is the primary structural component of hair, nails, feathers, hooves, and the outer layer of skin.
- Keratin provides strength and resilience to biological structures.
Synonyms
- Cornify: A less common synonym, specifically meaning to convert into horny tissue or to become horny.
- Harden (in a biological context): To become hard or solidified, though this is a more general term.
Notes on Meaning
- The term is highly specialized and is primarily used in biological, medical, and anatomical contexts. It is not typically used in everyday conversation.
- The intransitive sense ("to become horny") refers to a natural biological process and should not be confused with colloquial meanings of "horny."
Verb
- become horny and impregnated with keratin
- convert into keratin