autotomy
Học thuậtThân thiện
Definition
- Noun:
- The spontaneous self-amputation of a body part: "autotomy" refers to the process where an animal deliberately sheds or detaches a limb or appendage, typically as a defense mechanism when threatened or injured. This is a biological adaptation found in certain species.
Usage
- As a subject of a sentence: "Autotomy is a remarkable survival strategy."
- As an object of a sentence: "The lizard's tail exhibits autotomy."
- In scientific contexts: "Researchers are studying the regenerative processes following autotomy."
Examples
- Noun:
- The crab's ability for autotomy allows it to escape predators by sacrificing its claw.
- Autotomy in starfish enables them to break off an arm to avoid capture.
- After autotomy, the gecko's tail continues to twitch, distracting its attacker.
Advanced Usage
- "to undergo autotomy": to experience the process of self-amputation.
- When grabbed by the tail, the skink will undergo autotomy to escape.
- "capacity for autotomy": the inherent ability of an organism to perform this action.
- This species of sea cucumber has a high capacity for autotomy.
Variants and Related Words
- Autotomize (verb): to perform autotomy; to cast off a body part.
- The lizard can autotomize its tail when seized.
- Autotomic (adjective): relating to or characterized by autotomy.
- The autotomic response is triggered by specific neural signals.
Synonyms
- Self-amputation: The act of cutting off one's own limb or appendage.
- Autoschism: A less common synonym for self-division or shedding.
Notes on Different Meanings
- The term "autotomy" is highly specific to zoology and biology. It does not have common metaphorical or idiomatic uses in everyday language. Its core meaning is consistently the defensive, voluntary shedding of a body part by an animal.
Noun
- spontaneous removal or casting off of a body part (as the tail of a lizard or claw of a lobster) especially when the organism is injured or under attack