Angle

ANGLE (Latin for angle), a term very common in anatomy; it designates prominences, bends, or angles of bones, the angular connection of parts of one bone or of several bones or cartilages (and their parts). As examples, one can cite the frontal, occipital, sphenoid, and mastoid angles of the parietal bone, and the angle of the scapula; angle of the rib on the body of the rib; angle of the mandible at the transition from the lower edge of its body to the posterior edge of the ramus; angle of the sternum (Ludovici) at the site of the cartilaginous or bony fusion of the manubrium with the body of the sternum; angle of the pubis - in men approximately 70-75°, in women 90° and even more (pubic arch); anterior angle of the thyroid cartilage - formed by its laminae (see Adam's apple); angle of the sella turcica - formed by the plane of Blumenbach's clivus and the cribriform plate; infrasternal angle - between both costal arches (about 90°), into which the xiphoid process of the sternum projects; craniovertebral angle - the craniovertebral angle, equal to a right angle with the head in the normal position; facial angle - the facial angle or profile angle.