The joint cavity is cushioned by articular cartilage covering the head of the humerus and face of the glenoid. The scapula extends up and around the shoulder joint at the rear to form a roof called the acromion, and around the shoulder joint at the front to form the coracoid process.
LINK / CITE ADD TO WORD LIST. adjective. The definition of broody is unhappy and moody, or is really wanting to have a baby or, in the case of a hen, really wanting to lay eggs. A person who is unhappy, wistful and moody is an example of someone who might be described as broody.
As a consequence of this, they develop one or several patches of bare skin on the ventral surface. These reddish, well-vascularized areas of skin are usually called brood patches, and improve heat transfer to the eggs. Broodiness is usually associated with female birds, although males of some bird species become broody and some non-avian animals also show broodiness.