xương trụ

Cô giáo chỉ vào xương trụ trên mô hình giải phẫu.

Definition

1. Noun (Anatomy):
   • Ulna: The inner and longer of the two bones in the human forearm, located on the side opposite the thumb. It is one of the two primary bones that form the skeletal structure between the elbow and the wrist.

Usage Examples

• Noun:
  • Sau cú ngã, anh ấy bị gãy xương trụ. (After the fall, he broke his ulna.)
  • Xương trụ và xương quay tạo nên cẳng tay. (The ulna and the radius make up the forearm.)

Advanced Usage

• In medical or anatomical contexts, "xương trụ" is used precisely to refer to this specific bone and its related structures, such as its olecranon process (the bony tip of the elbow).

Variants and Related Words

• Xương quay (n): Radius. The other, shorter bone of the forearm, located on the thumb side.
  • Chấn thương ảnh hưởng đến cả xương quay và xương trụ. (The injury affected both the radius and the ulna.)

Synonyms

• Ulna: The standard anatomical term in English.
• Cubitus: An older or less common Latin-derived term for the ulna.

Related Terms

• Khớp khuỷu tay (n): Elbow joint. The joint where the humerus (upper arm bone) meets the ulna and radius.
  • Viêm khớp khuỷu tay thường liên quan đến phần đầu của xương trụ. (Elbow arthritis often involves the proximal end of the ulna.)