from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A shallow depression in a bone, especially in the scapula.
- adj. Of or pertaining to this depression.
from the GNU version of the Collaborative International Dictionary of English
- adj. Having the form of a smooth and shallow depression; socketlike; -- applied to several articular surfaces of bone.
from The Century Dictionary and Cyclopedia
- Shallow or slightly cupped: specifically applied in anatomy to two articular cavities or fossæ, of the scapula and of the temporal bone respectively.
- Having a glenoid fossa: as, the glenoid border of the scapula.
- n. A glenoid fossa, as of the temporal bone or of the scapula; a glene.
Sorry, no etymologies found.
The ball-and-socket joint comprises the rounded top of the upper arm bone (the "ball"), which fits into a dish-like cup called the glenoid (the "socket") in the shoulder blade.
Anatomy as two posterior ligaments which run each from three points on the sides of the os suffraginis to a piece of fibro cartilage, described as the glenoid cartilage, and attached to the postero-superior edge of the os coronae; between them is the insertion of the inferior sesamoidean ligament.
To sculpt the new joint, surgeons take cadaver cartilage and bone from both the cup part of the shoulder - the socket, called the glenoid, and the humeral head, which is the ball of the upper arm bone.
There are several reasons you may have pain (i.e. rotator cuff tear, impingement, arthritis, spurring, instability, glenoid labrum tear, and the list goes on!).
Even the part where the paper was going along where my humeral head fits into the glenoid fossa — uh, that's a ball and socket joint.
The benefit of the procedure, he says, is that there is no plastic glenoid to possibly wear or bend, so it's a good option for patients who are athletic or otherwise very physically active.
They leave the glenoid socket intact, but reshape it by scooping it out with a tool called a reamer.
The head of the humerus is articulated with its (glenoid?) cavity, by means of a small ligament, and it consists of a rounded epiphysis composed of spongy cartilage, the humerus itself is bent outward and forward, and it is articulated with its (glenoid?) cavity by its side, and not in a straight line.
It should be particularly known that the union of all bones is, for the most part, by a head and socket (cotyle); in some of these the place (socket?) is cotyloid and oblong, and in some the socket is glenoid (shallow?).
A movement is felt as the humeral head re-enters the glenoid cavity.