The ulna is a long bone found in the forearm that stretches from the elbow to the wrist, and when in standard anatomical position, is found on the medial side of the forearm. It is broader close to the elbow, and narrows as it approaches the wrist.

2022年12月9日 · The ulna is on the medial (pinkie) side of your forearm. What does the ulna look like? The ulna has a notched end where it meets your humerus (upper arm bone), a long shaft in the middle that’s slightly curved and a narrow end that meets your wrist.

2018年8月25日 · What is the ulna bone facts, where is it located, parts of ulna proximal, shaft, distal (head, notches, processes, borders & surfaces), what does it do, labeled image

2023年10月30日 · The ulna is the medial bone of the forearm and the longer of the two parallel forearm bones. Like the radius, the ulna also has three main parts: a proximal end, shaft and a distal end. The proximal end articulates with the distal humerus and the head of the radius.

2024年10月1日 · The ulna is a long bone in the forearm. It lies medially and parallel to the radius, the second of the forearm bones. The ulna acts as the stabilising bone, with the radius pivoting to produce movement. Proximally, the ulna articulates with the humerus at the elbow joint.

2023年7月24日 · The ulna is one of the two forearm long bones that, in conjunction with the radius, make up the antebrachium. The bone spans from the elbow to the wrist on the medial side of the forearm when in anatomical position. In comparison to the radius, the ulna is described to be larger and longer.

Ulna, inner of two bones of the forearm when viewed with the palm facing forward. (The other, shorter bone of the forearm is the radius.) The upper end of the ulna presents a large C-shaped notch—the semilunar, or trochlear, notch—which articulates with the trochlea of the humerus (upper arm bone)

2025年1月28日 · The ulna is a crucial component of the forearm’s skeletal structure, primarily responsible for forming the elbow joint with the humerus and contributing to the wrist joint. Its shape and structure allow it to support various movements of the arm and hand. Location. The ulna is located on the medial side of the forearm, running parallel to the ...

The ulna is one of two bones that make up the forearm, the other being the radius. It forms the elbow joint with the humerus and also articulates with the radius both proximally and distally. It is located in the medial forearm when the arm is in the anatomical position.

Ulna Definition and Meaning. The ulna is one of the two major bones in the forearm (the other is the radius). The ulna provides stability to the arm and facilitates a wide range of movements in the arms, wrists, and hands. Anatomy of the Ulna. The ulna is situated parallel to the radius.