head of radius

caput radii

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 (or capitellum) of the humerus. The circumference of the head is smooth; it is broad medially where it articulates with the radial notch of the ulna, narrow in the rest of its extent, which is embraced by the annular ligament. The deepest point in the fovea is not axi-symmetric with the long axis of the radius, creating a cam effect during pronation and supination[WP].

Tipo Ligament
Estructura principal zone of long bone
Nombre latino caput radii
FMA ID 33773

Preguntas frecuentes

What is the head of 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 (or capitellum) of the humerus. The circumference of the head is smooth; it is broad medially where it articulates with the radial notch of the ulna, narrow in the re
What is the Latin name for the head of radius?
The Latin name for the head of radius is caput radii.

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Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.