American Heritage® Dictionary of the English Language, Fourth Edition
- n. The outer end of the scapula to which the collarbone is attached.
Century Dictionary and Cyclopedia
- n. In anatomy, the distal end of the spine of the scapula or shoulder-blade. In man it is an enlarged process, which, originating by an independent center of ossification, articulates with the distal end of the clavicle, and gives attachment to part of the deltoid and trapezius muscles: commonly called the acromial process, or acromion process. Its relations are the same in other mammals which have perfect clavicles. See cut under
- n. In ichthyology, same as supraclavicle; a shoulder-girdle bone above the clavicle.
- n. anatomy The outermost point of the shoulder blade.
GNU Webster's 1913
- n. (Anat.) The outer extremity of the shoulder blade.
- n. the outermost point of the spine of the shoulder blade
- New Latin acrōmion, from Greek akrōmion : akros, extreme; see ak- in Indo-European roots + ōmos, shoulder. (American Heritage® Dictionary of the English Language, Fourth Edition)
“In connection with this fracture, reference must be made to a condition frequently met with, in which the epiphysial portion of the acromion is found to be separate from the body of the process -- _separate acromion_.”
“The acromion is a bony process which protudes forwards from the upper part of the scapular.”
“But this also should be known, that in fractures of the clavicle, it is the part attached to the breast which is uppermost, and that the piece attached to the acromion is the lowermost.”
“The acromioclavicular joint is formed by the outer end of the clavicle and the acromion process of the scapular.”
“And attention should be paid to the force of habit, and to the symptom produced by the tearing away of the acromion, whereby a void is left, which makes people suppose that the humerus is dislocated.”
“The acromion, in man, arises from the scapula differently from most other animals.”
“Another: - Apply your head to the acromion, and your hands to the armpit, separate the head of the humerus (from the side?), and push the elbow in the opposite direction; or, instead of your knees, another person may turn aside the elbow, as formerly directed.”
“The clavicles are rounded in front, having some slight movements at the sternum, but more free at the acromion.”
“When the acromion is torn away, the appearance is the same as in dislocation of the shoulder; but there is no impediment, except that the bone does not return to its position.”
“If properly bandaged, the acromion becomes free of pain in a few days.”
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