The occipital condyles "lay on", or articulate with, the lateral masses of the first cervical vertebra, also known as atlas.
The occipital condyles of the occipital bones articulate with the first cervical vertebra.
The occipital condyles are oval-shaped structures on the occipital bone that articulate with the superior facets of the atlas (C1 vertebrae). This joint, called the atlanto-occipital joint, allows for flexion and extension of the head.
condyles
The occipital condyles of the skull, which are located at the base of the occipital bone, are concave and articulate with the superior articular facets of the atlas (C1 vertebra) at the atlanto-occipital joint. This concave-convex articulation allows for flexion and extension movements of the head.
The occipital condyles allow the head to turn side to side.
Occipital condyles
The region of the skull that articulates with the atlas is the occipital bone, specifically the occipital condyles. These condyles are oval-shaped projections located on either side of the foramen magnum at the base of the skull, allowing the atlas (the first cervical vertebra) to connect with the skull and facilitate nodding movements of the head.
The atlas (C1 vertebra) articulates superiorly with the occipital condyles of the skull. This connection allows for the nodding motion of the head, enabling the "yes" movement. The joint formed between the atlas and the occipital condyles is known as the atlanto-occipital joint.
atlas
The joint between the atlas (C1) and the occipital bone that allows for the "yes" movement (nodding the head) is classified as a condyloid joint. This type of joint permits flexion and extension, allowing the head to tilt forward and backward. The articulation between the rounded condyles of the occipital bone and the superior articular facets of the atlas facilitates this movement.
atlas
Hueso Occipital (Hueso = bone) (Occipital = the same)