Condyloid fossa
Encyclopedia
Behind either condyle
of the lateral parts of occipital bone
is a depression, the condyloid fossa (or condylar fossa), which receives the posterior margin of the superior facet of the atlas
when the head is bent backward; the floor of this fossa is sometimes perforated by the condyloid canal
, through which an emissary vein passes from the transverse sinus.
Occipital condyle
The occipital condyles are undersurface facets of the occipital bone in vertebrates, which function in articulation with the superior facets of the atlas vertebra....
of the lateral parts of occipital bone
Lateral parts of occipital bone
The lateral parts of the occipital bone are situated at the sides of the foramen magnum; on their under surfaces are the condyles for articulation with the superior facets of the atlas....
is a depression, the condyloid fossa (or condylar fossa), which receives the posterior margin of the superior facet of the atlas
Atlas (anatomy)
In anatomy, the atlas is the most superior cervical vertebra of the spine.It is named for the Atlas of Greek mythology, because it supports the globe of the head....
when the head is bent backward; the floor of this fossa is sometimes perforated by the condyloid canal
Condyloid canal
The condylar canal is a canal in the condyloid fossa of the lateral parts of occipital bone behind the occipital condyle. Resection of the rectus capitus posterior major and minor muscles reveals the bony recess leading to the condylar canal, which is situated posterior and lateral to the...
, through which an emissary vein passes from the transverse sinus.