conoid ligament conoid ligament the conoid ligament is the posterior and medial fasciculus of the coracoclavicular ligament. it is formed by a dense band of fibers, conical in form, with its base directed upward. conoid ligamentthe left shoulder and acromioclavicular joints, and the proper ligaments of the scapula. (conoid visible at upper left.)glenoid fossa of right side.detailsfromcoracoid process (scapula)toconoid tubercle (clavicle)identifierslatinligamentum conoideumta98a03.5.03.006ta21749fma26031anatomical terminology it is attached by its apex to a rough impression at the base of the coracoid process on the scapula, medial to the trapezoid ligament; above, by its expanded base, to the conoid tubercle on the under surface of the clavicle, and to a line proceeding medialward from it for 1.25 cm. these ligaments are in relation, in front, with the subclavius and deltoid muscles; behind, with the trapezius.