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The humerus (/ ˈ h juː m ər ə s /; pl.: humeri) is a long bone in the arm that runs from the shoulder to the elbow. It connects the scapula and the two bones of the lower arm, the radius and ulna , and consists of three sections.
Different types of bone markings and features. A condyle is the round prominence at the end of a bone, most often part of a joint – an articulation with another bone. [ 2 ] The epicondyle refers to a projection near a condyle, particularly the medial epicondyle of the humerus . [ 3 ]
Anatomical terms of bone [ edit on Wikidata ] In human anatomy , the deltoid tuberosity is a rough, triangular [ 1 ] area on the antero lateral (front-side) surface of the middle of the humerus . [ 2 ]
It is composed of 270 bones at the time of birth, [2] but later decreases to 206: 80 bones in the axial skeleton and 126 bones in the appendicular skeleton. 172 of 206 bones are part of a pair and the remaining 34 are unpaired. [3] Many small accessory bones, such as sesamoid bones, are not included in this.
The greater tubercle of the humerus is the outward part the upper end of that bone, adjacent to the large rounded prominence of the humerus head. It provides attachment points for the supraspinatus, infraspinatus, and teres minor muscles, three of the four muscles of the rotator cuff, a muscle group that stabilizes the shoulder joint.
This is a list of human anatomy mnemonics, categorized and alphabetized.For mnemonics in other medical specialties, see this list of medical mnemonics.Mnemonics serve as a systematic method for remembrance of functionally or systemically related items within regions of larger fields of study, such as those found in the study of specific areas of human anatomy, such as the bones in the hand ...
The name funny bone could be from a play on the words humorous and humerus, the bone on which the medial epicondyle is located, [2] although according to the Oxford English Dictionary, it may refer to "the peculiar sensation experienced when it is struck". [3] Medial epicondyle fracture of the humerus are common when falling onto an ...
The anatomical neck divides the head of the humerus from the greater and lesser tubercles of the humerus. It gives attachment to the capsular ligament of the shoulder joint except at the upper inferior-medial aspects.