How Do You Spell LACERTUS FIBROSUS?

1. The term "lacertus fibrosus" refers to a structure found in the human anatomy. Specifically, it is a fibrous band or ligament that is situated in the upper limb, connecting two major muscles: the biceps brachii and the brachialis. This fibrous band runs along the medial (inner) side of the arm, extending from the biceps muscle to the deep fascia of the forearm.

   This structure is an essential component of the musculoskeletal system, as it plays a crucial role in stabilizing and coordinating movements of the upper limb. The lacertus fibrosus acts as a bridge between the biceps and brachialis muscles, facilitating their actions and enhancing the efficiency of joint movements.

   During certain movements, such as flexion (bending) of the elbow, the lacertus fibrosus contracts and tightens. This action helps to maintain optimal tension within the biceps muscle, preventing excessive stretching or destabilization. Additionally, the lacertus fibrosus assists in maintaining the integrity and proper alignment of the surrounding structures, ensuring smooth joint function and minimizing the risk of injury.

   Overall, the lacertus fibrosus serves as an essential anatomical connection and mechanical reinforcement between the biceps brachii and brachialis muscles, aiding in the coordination and stability of movements in the upper limb.

2. Bicipital or semilunar fascia, radiating fibers from the tendon of insertion of the biceps passing obliquely over the hollow of the elbow to the ulnar side and becoming merged into the deep fascia of the forearm.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for LACERTUS FIBROSUS

The term "lacertus fibrosus" is a Latin term that translates to "fibrous arm" in English.

The etymology of the word "lacertus" can be traced back to the Latin word "lacertus", which means "arm". In anatomy, it specifically refers to the upper arm or the part of the arm between the shoulder and the elbow.

The term "fibrosus" is derived from the Latin word "fibra", which means "fiber". It refers to the fibrous or connective tissue that forms a sleeve around certain structures, particularly tendons in this context. This fibrous layer provides protection, support, and stability to the tendons.

Therefore, "lacertus fibrosus" is a Latin term that anatomically describes the fibrous arm, particularly the fibrous sleeve surrounding tendons in the upper arm region.