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The lateral intermuscular septum extends from the lower part of the crest of the greater tubercle of the humerus, along the lateral supracondylar ridge, to the lateral epicondyle; it is blended with the tendon of the deltoid muscle, gives attachment to the triceps brachii behind, and to the brachialis, brachioradialis, and extensor carpi radialis longus muscles in front.
Neurovascular anatomy [ edit ] Deep to the tendons which form the borders of the anatomical snuff box lies the radial artery , which passes through the anatomical snuffbox on its course from the normal radial pulse detecting area, to the proximal space in between the first and second metacarpals to contribute to the superficial and deep palmar ...
The axillary sheath is a fibrous sheath that encloses the axillary artery and the three cords of the brachial plexus to form the neurovascular bundle. [1] [2] [3] It is surrounded by the axillary fat. [1] [2] It is an extension of the prevertebral fascia of the deep cervical fascia [citation needed] and is continuous with the carotid sheath at ...
The nerve lies at first behind the axillary artery, [4] and in front of the subscapularis, [1] and passes downward to the lower border of that muscle.. It then winds from anterior to posterior around the neck of the humerus, in company with the posterior humeral circumflex artery, [2] through the quadrangular space (bounded above by the teres minor, below by the teres major, medially by the ...
Deep neurovascular bundles, which often include arteries, have a more complicated structure than superficial neurovascular bundles. Since arteries have high intraluminal blood pressure relative to capillaries and veins, these bundles have smooth muscle and connective tissue structures outside the endothelium.
The cubital fossa, antecubital fossa, chelidon, inside of elbow, or, humorously, wagina, [1] is the area on the anterior side of the upper part between the arm and forearm of a human or other hominid animals.
The clavipectoral fascia (costocoracoid membrane; coracoclavicular fascia) is a strong fascia situated under cover of the clavicular portion of the pectoralis major.. It occupies the interval between the pectoralis minor and subclavius, and protects the axillary vein and artery, and axillary nerve.
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