deltoid tuberosity
Học thuậtThân thiện
Definition
- Noun:
- Anatomical landmark: A specific, roughened, and often slightly raised area or bump located on the lateral (outer) surface of the humerus (the long bone of the upper arm).
- Muscle attachment site: It serves as the primary point of insertion for the deltoid muscle, a large, triangular muscle responsible for lifting the arm at the shoulder.
Usage Examples
- Noun:
- The surgeon carefully identified the deltoid tuberosity to plan the incision.
- In anatomy class, we learned that the deltoid tuberosity is a key site for muscle attachment.
- The fracture was located just distal to the deltoid tuberosity.
Advanced Usage
- "Palpation of the deltoid tuberosity": In physical examination or clinical practice, feeling for this bony landmark to assess shoulder anatomy or locate injection sites.
- Palpation of the deltoid tuberosity helps in administering intramuscular injections into the deltoid muscle.
Variants and Related Words
- Deltoid eminence: A less common synonym for the deltoid tuberosity.
- Deltoid muscle: The muscle that attaches to the deltoid tuberosity.
- Humerus: The bone on which the deltoid tuberosity is located.
- Tuberosity: A general anatomical term for a large, rounded, and usually roughened projection on a bone that serves as a site for muscle or ligament attachment.
Synonyms
- Deltoid eminence (anatomical synonym)
- Insertion point of the deltoid (functional description)
Related Phrases
- Attachment site for the deltoid: A descriptive phrase explaining its function.
- The deltoid tuberosity is the crucial attachment site for the deltoid muscle.
Related Idioms
(This is a specific anatomical term, so common idioms are not applicable.)
Noun
- a bump on the outside of the humerus where the deltoid muscle attaches