| brachiocephalic | Relating to both arm and head. (05 Mar 2000) |
|---|---|
| brachiocephalic arteritis | Giant-cell arteritis seen in older adults; characterised by inflammatory lesions in medium sized arteries, most commonly in the head, neck and/or shoulder girdle area; lesions include fragmented elastin, macrophages, and giant cells. Erythrocyte sedimentation rate is usually markedly elevated. Visual loss can occur. (05 Mar 2000) |
| brachiocephalic muscle | In animals, a compound muscle passing from the brachium or humerus to the head and the dorsal cervical raphe; the clavicular insertion or clavicle subdivides the muscle. Synonym: brachiocephalic muscle. (05 Mar 2000) |
| brachiocephalic trunk | The first and largest artery branching from the aortic arch. It distributes blood to the right side of the head and neck and to the right arm. (12 Dec 1998) |
| brachiocephalic veins | Large veins on either side of the root of the neck formed by the junction of the internal jugular and subclavian veins. They drain blood from the head, neck, and upper extremities, and unite to form the superior vena cava. (12 Dec 1998) |