The Stapes, so called from its resemblance to a stirrup, consists of a head, neck, two crura, and a base. • The head (capitulum stapedis) presents a depression, which is covered by cartilage, and articulates with the lenticular process of the incus. • The neck, the constricted part of the bone succeeding the head, gives insertion to the tendon of the Stapedius muscle.• The two limbs ...