caudal
/'kɔ:dl/
Học thuậtThân thiện
Definition
Adjective:
- Situated in or directed toward the posterior part of the body: Refers to a position or direction toward the tail or the rear end of an organism's body.
- Resembling a tail: Having a shape or structure that is similar to a tail.
- Constituting or relating to a tail: Pertaining to or forming part of a tail structure.
Adverb:
- Toward the posterior end of the body: Describes movement or orientation in the direction of the tail or rear.
Usage Examples
Adjective:
- The caudal fin of a fish provides propulsion.
- In humans, the coccyx is a caudal vertebra.
- The surgeon made an incision in the caudal region.
Adverb:
- The nerves extend caudal from the spinal cord.
- The embryo develops caudally.
Advanced Usage
- In anatomical terminology: Often used in contrast with "cranial" or "rostral" to describe relative positions along the head-to-tail axis of an organism.
- The liver is caudal to the heart in most mammals.
- In directional descriptions for animals: Used to describe features or movements toward the tail.
- The muscle contraction proceeds in a caudal direction.
Variants and Related Words
- Caudally (adverb): In a caudal direction or manner.
- The infection spread caudally.
- Caudad (adverb): An alternative term meaning toward the tail or posterior.
- Caudalward (adverb): Toward the caudal end.
Synonyms
- Posterior: Located behind or at the rear.
- Dorsal (in specific anatomical contexts, particularly in animals): Pertaining to the back, but can be related in positional description.
- Coccygeal: Specifically relating to the coccyx (tailbone) in humans.
Antonyms
- Cranial: Toward the head.
- Rostral: Toward the beak or snout; anterior.
- Anterior: Situated before or toward the front.
Related Phrases and Compound Terms
- Caudal anesthesia: A type of regional anesthesia injected into the caudal canal of the spinal column.
- Caudal peduncle: The narrow part of a fish's body to which the tail fin is attached.
- Caudal vertebrae: The bones that make up the tail or the tail-like end of the spinal column.
Adjective
- situated in or directed toward the part of the body from which the tail arises
- caudal fins
- the caudal end of the body
- resembling a tail
- constituting or relating to a tail
- caudal appendage
Adverb
- toward the posterior end of the body