protuberance on the upper anterior part of the annulus tympanic us. t. tympani cum post i cum

A protuberance on the middle and posterior part of the annulus tympanic us. t. wrisbergianum. An elevation of the mucous membrane of the ( berg. larynx caused by the cartilage of Wristuberositas (tu-ber-os'it-as). See tuberos^ ity. t. at lant is lateral is. An eminence at the inner margin of that surface of the atlas which articulates with the occipital bone, to which the transverse ligament is attached. t. claviculae. A roughened eminence on the lower surface of the clavicle, near its sternal end, for the attachment of the cos to clavicular ligament, t. coracoidea. See conoid tubercle, under tubercle, t. costal is. See t. claviculae. t. gluteal is. The tubercle on the upper end of the femur for the attachment of the gluteus maximus. t. iliac a, t. ilii. A rough eminence behind that surface of the ilium which articulates with the sacrum, for the attachment of the sacro-iliac ligaments, t. malar is. A small tuberosity near the maxillary proce of the zygomatic bone. t. metacarpi quint i. A prominent tuberosity on the ulnar side of the fifth metacarpal bone, near its base. t. metatarsi hallucis. See plantar tubercle, under tubercle, t. metatarsi quint i. A rough prominence upon the external surface of the tarsal end of the fifth metatarsal bone. t. olecrani. A prominence on the olecranon proce into which is inserted the extensor triceps brachii. t. o is trapezii. An oblique ridge on the volar surface of the trapezium, t. pal at in us. A tuberosity formed on the internal surface of the palatine bone, at the angle of the posterior and horizontal borders, t. patellar is. See anterior tuberosity of the tibia, under tuberosity. t. pectoral is. A tubercle near the sternal end of the clavicle for the attachment of the pectoral is muscle, t. pubo-ischiadic a. A rough eminence at the union of the rami of the ischium and pubes. t. scapular is. See conoid tubercle, under tubercle, t. supracondyloidea o is femoris. The external or internal supra condyloid tubercle, t. ulnae major. A rough eminence at the base of the coronoid proce of the ulna, for the attachment of the brachial is intern us. t. ulna minor. A small tuberosity occasionally found below the le er sigmoid cavity of the radius, t. unguicularis phalangis. A broad, horseshoe-shaped expansion of the distal end of a terminal phalanx, t. vertebral is (medial is). A rough eminence on the posterior surface of the transverse proce (near its apex) of some of the dorsal vertebrae, t. zygomatic a. See tubercle of the zygoma, under tubercle. tuberosity (tu-ber-os'it-e). blunt elevation on a bone orA other rounded or organ. anterior t. of the tibia. A t. on the anterior aspect of the tibia, near its upper extremity, for the attachment of the lig amentum patellae, bicipital t. of the radius. A t. on the superior part of the internal aspect of the shaft of the radius to the posterior rough portion of which is attached the tendon of the biceps flexor cubiti. external occipital t. See external occipital protuberance, under protuberance, external t. of the femur. A rough eminence above the external t. of the femur to which the external lateral ligament is attached, external t. of the tibia. A rounded eminence on the external side of the upper end of the tibia which articulates posteriorly with the fibula. greater t. of the humerus. An upward projection of the humerus on its outer side, serving as a point of attachment for the infra spin at us, supra spin at us, and teres minor muscles, internal t. of the femur. A rough t. above the internal condyle of the femur to which the internal lateral ligament of the knee is attached, internal t. of the tibia. A ma ive rounded eminence on the inner side of the upper end of the tibia, ischiopubic t. See tube rosit as pubo-ischiadic a, under tube rosit as, le er t. of the humerus. A small t. at the proximal end of the humerus, on the inner side of the bicipital groove, for the attachment of the subscapular is muscle, maxillary t. See t. of the superior maxilla, t. of the calcaneum. The posterior extremity of the os calcis. t. of the cuboid bone. A thick, oblique ridge on the inferior surface of the cuboid bone, near its anterior extremity, t. of the ilium. See tube rosit as ilii, under tube rosit as, t. of the ischium. The thick downward projection of the lower portion of the ischium upon which the body rests when sitting. t. of the olecranon. See tube rosit as olecrani, under tube rosit as, t. of the sacrum. A t. behind and internal to the lateral articular surface of the sacrum, t. of the scaphoid bone. i. The prominence of the infero-external portion of the volar surface of the scaphoid bone of the hand. 2. A t. on the lower inner margin of the scaphoid bone of the foot. t. of the superior maxilla. A rough convexity on the posterior part of the external surface of the superior maxilla. [Lat, tuber, knob.]