The radial fossa is a slight depression found on the
humerus
The humerus (; ) 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. The humeral upper extremity consists of a roun ...
above the front part of the
capitulum
capitulum (plural capitula) may refer to:
*the Latin word for chapter
** an index or list of chapters at the head of a gospel manuscript
** a short reading in the Liturgy of the Hours
*** derived from which, it is the Latin for the assembly known ...
. It receives the anterior border of the
head of the radius
The head of the radius has a cylindrical form, and on its upper surface is a shallow cup or fovea for articulation with the capitulum of the humerus. The circumference of the head is smooth; it is broad medially where it articulates with the ra ...
when the
forearm
The forearm is the region of the upper limb between the elbow and the wrist. The term forearm is used in anatomy to distinguish it from the arm, a word which is most often used to describe the entire appendage of the upper limb, but which in anat ...
is flexed.
Structure
The
joint capsule
In anatomy, a joint capsule or articular capsule is an envelope surrounding a synovial joint.elbow
The elbow is the region between the arm and the forearm that surrounds the elbow joint. The elbow includes prominent landmarks such as the olecranon, the cubital fossa (also called the chelidon, or the elbow pit), and the lateral and the media ...
attaches to the
humerus
The humerus (; ) 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. The humeral upper extremity consists of a roun ...
just proximal to the radial fossa.
Additional images
File:Human arm bones diagram.svg, Human arm bones diagram
File:Elbow joint - deep dissection (anterior view, human cadaver).jpg, Elbow joint. Deep dissection. Anterior view.
File:Slide2xzxzxz.JPG, Elbow joint. Deep dissection. Anterior view.
References
External links
*
Humerus
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