BICIPITAL GROOVE Meaning and
Definition
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The bicipital groove, also known as the intertubercular groove or sulcus, is a prominent anatomical feature found on the anterior portion of the humerus bone in the upper arm. It is a narrow, deep groove that runs obliquely on the humerus and serves as a pathway for the passage of the long head of the biceps tendon.
Located between the two tubercles of the humerus bone, namely the greater and lesser tubercles, the bicipital groove provides a stable and protected environment for the tendon of the long head of the biceps brachii muscle. This muscle, originating from the scapula bone, forms a tendon that courses through the bicipital groove, wrapping around the humerus bone, and attaches to the radial tuberosity of the forearm. This anatomical arrangement plays a critical role in shoulder and arm movements, particularly flexion and supination of the forearm.
The bicipital groove is essential for maintaining the stability of the biceps tendon, preventing its dislocation or friction with the surrounding structures during arm movements. It is further reinforced by a fibrous sheath called the transverse humeral ligament, which forms a roof over the groove, keeping the tendon securely in place. Any abnormalities or damage to the bicipital groove or the structures within it can result in biceps tendonitis, a condition characterized by inflammation, pain, and limited range of motion in the shoulder joint.
Common Misspellings for BICIPITAL GROOVE
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Etymology of BICIPITAL GROOVE
The word "bicipital" is derived from the Latin words "bi" meaning "two" and "caput" meaning "head" or "origin". The word "groove" comes from the Middle English word "grofe", which means "furrow" or "trench".
Therefore, the term "bicipital groove" combines the Latin term "bicipital" referring to a structure with two heads or origins, and "groove" referring to a furrow or trench-like indentation. In anatomy, the bicipital groove is a groove located on the humerus bone (upper arm bone) where the long head of the biceps muscle attaches.
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