Section of the main skull bone that extends forward and upward
Basilar part of occipital bone
Occipital bone inner surface (basilar part is shown in red)
Occipital bone outer surface, at birth (basilar part is at bottom)
Details
Identifiers
Latin
pars basilaris ossis occipitalis
TA98
A02.1.04.005
TA2
554
FMA
52858
Anatomical terms of bone
[edit on Wikidata]
The basilar part of the occipital bone (also basioccipital) extends forward and upward from the foramen magnum, and presents in front an area more or less quadrilateral in outline.
In the young skull, this area is rough and uneven, and is joined to the body of the sphenoid by a plate of cartilage.
By the twenty-fifth year, this cartilaginous plate is ossified, and the occipital and sphenoid form a continuous bone.
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The basilarpartof the occipitalbone (also basioccipital) extends forward and upward from the foramen magnum, and presents in front an area more or less...
sphenoid bone is an unpaired boneof the neurocranium. It is situated in the middle of the skull towards the front, in front of the basilarpartof the occipital...
The occipitalbone (/ˌɒkˈsɪpɪtəl/) is a cranial dermal bone and the main boneof the occiput (back and lower partof the skull). It is trapezoidal in shape...
posterior border of the great wing of the sphenoid bone and the basilarpartof the occipitalbone; it presents the anterior or internal opening of the carotid...
is a partof the occipitalboneof the head and neck. It is located on the lower surface of the basilarpartofoccipitalbone. It is the site of attachment...
base of skull. It is located between the sphenoid bone, the apex of the petrous partof the temporal bone, and the basilarpartof the occipitalbone. The...
The occipital condyles are undersurface protuberances of the occipitalbone in vertebrates, which function in articulation with the superior facets of the...
aspect of the body of sphenoid bone, and the basilarpartofoccipitalbone/clivus. Laterally, it is bounded by the petrous parts and mastoid parts of the...
The lateral parts of the occipitalbone (also called the exoccipitals) are situated at the sides of the foramen magnum; on their under surfaces are the...
Posteromedially, it is limited by basilarpartofoccipitalbone.[non-primary source needed] The external opening of carotid canal (Latin: "apertura externa...
the basilarpartof the occipitalbone. In the ancestral tetrapod, the basioccipital makes up most of a large central knob-like surface, the occipital condyle...
basilar portion of the occipitalbone; it supports the upper partof the pons. The lateral surfaces of the body are united with the greater wings of the...
of the ligament to attach onto the basilarpartofoccipitalbone (between the attachments of the apical ligament of dens, and tectorial membrane). A weaker...
channels between the layers of the dura mater over the basilar partof the occipitalbone (the clivus) and serves to connect the two inferior petrosal sinuses...
be inserted into the inferior surface of the basilarpartof the occipitalbone. It is innervated by a branch of cervical plexus. Longus capitis has several...
the inferior surface of the basilarpartof the occipitalbone immediately in front of the foramen magnum. action: aids in flexion of the head and the neck;...
at the junction of the basilarpart and lateral partof the occipitalbone, just medial to the jugular foramen: 568 on either side of the foramen magnum...
Pterygoid canal Temporal bone Petrous part Mastoid process Occipital groove Mastoid foramen Facial canal Inferior surface of petrous part Styloid process Stylomastoid...
three. Basilar fractures are in the bones at the base of the skull. Linear skull fractures are breaks in the bone that transverse the full thickness of the...
sellae is partof the sphenoid bone in the skull. Together with the basilarpartof the occipitalbone it forms the clivus. In the sphenoid bone, the anterior...
petrosal sulcus, formed by the junction of the petrous partof the temporal bone with the basilarpartof the occipitalbone. It begins below and behind the cavernous...
transverse ligament to the anterior side of the foramen magnum (near the basilarpart) in the occipitalboneof the skull. The inferior longitudinal band...