metacarpal
Học thuậtThân thiện
The doctor points to a specific metacarpal bone on a clear anatomical model of a human hand.
Definition
Adjective:
- Relating to the metacarpus: Describes anything pertaining to the group of bones in the hand between the wrist (carpus) and the fingers (phalanges).
Noun:
- A bone of the metacarpus: Refers specifically to any one of the five long bones that form the intermediate part of the skeletal hand, connecting the wrist to the fingers.
Examples of Usage
Adjective:
- The patient suffered a metacarpal fracture. (The fracture occurred in the region of the hand's long bones.)
- The surgeon performed a metacarpal reconstruction. (The reconstruction surgery involved the bones of the metacarpus.)
Noun:
- He broke the third metacarpal in his right hand. (He fractured the specific long bone corresponding to the middle finger.)
- The X-ray shows all five metacarpals clearly. (The image displays the set of five bones in the palm.)
Advanced Usage
Metacarpal arch: Refers to the transverse curvature formed by the heads of the metacarpal bones in the palm.
- The metacarpal arch is important for grip strength.
Metacarpophalangeal joint (MCP joint): The joint where a metacarpal bone articulates with a finger bone (phalanx). While this is a compound term, it demonstrates the adjective's use in precise anatomical description.
- Arthritis commonly affects the metacarpophalangeal joints.
Variants and Related Words
- Metacarpus (n): The collective term for the five metacarpal bones considered as a group; the framework of the palm.
- The metacarpus forms the structural basis of the hand.
Synonyms
- Palm bone (informal/non-technical): A simple descriptive synonym for the noun form.
- There are no direct, single-word synonyms in technical anatomical language; the term is specific.
Related Phrases
- Base of the metacarpal: The proximal end of the bone, which articulates with the carpal (wrist) bones.
- Head of the metacarpal: The rounded distal end of the bone, which forms the knuckle and articulates with a finger bone.
Related Idioms
- There are no common idioms specifically using the word "metacarpal." Anatomical terms are typically used in technical, medical, or scientific contexts.
The doctor points to a specific metacarpal bone on a clear anatomical model of a human hand.
Adjective
- of or relating to the metacarpus
- metacarpal bones
Noun
- any bone of the hand between the wrist and fingers