with the two ends meeting at the center front of the neck. The two corners of the ends at the base of the chin are rounded and slightly open, while at the base of the collarbone they are tightly closed.
Clavicle (collarbone)Video Scapula (the shoulder blade)Video Humerus (skeleton of the arm)Video Ulna and RadiusVideo Carpals, Metacarpals, PhalangesVideo Muscles of upper limb Deltoid muscle (Part 1)Video Deltoid muscle (Part 2)Video Lower limb ...
The muscular fibers of the triangular-shaped traps travel to insert on the spine of the scapula and theacromionof the scapula. They also attach to the outer one-third of the clavicle or collarbone. Nerve innervation (supply) to the trapezius muscle is interesting, as it is served by acrania...
Yellow marrow.In adults, the cavity of the shaft is primarily a storage area for adipose (fat) tissue called the yellow marrow, ormedullary, cavity. Red marrow.However, in infants, this area forms blood cells and red marrow is found there; in adult bones, red marrow is confined to caviti...
Assess the supraclavicular lymph nodes. Use your index and middle finger of each hand to hook over the patient's collarbone, and use a circle-slide motion to palpate for the supraclavicular nodes, checking both sides at once. Assess the axillary lymph nodes. Ask the patient to put the gown...
Here’s an overview of some of their unique and important anatomical features and functions. Cat Skeleton Anatomy An important reason for cats’ physical dexterity is their flexibility. In addition to having a small or nonexistent collarbone (depending on breed), their backbone has 30 vertebrae (...
Also known as: collarbone Written and fact-checked by The Editors of Encyclopaedia Britannica Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They ...