Occipital Bone: Difference between revisions

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'''Original Editor'''- [[User:Hannah Hassel|Hannah Hassel]]
'''Original Editor'''- [[User:Hannah Hassell|Hannah Hassell]]
'''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}}  
'''Top Contributors''' - {{Special:Contributors/{{FULLPAGENAME}}}}  
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[[File:Fullsizeoutput_c1.jpeg|480x480px]]
== Description  ==
== Description  ==
The Occipital bone is a trapezoidal-shaped bone forming the base of the skull.  It is situated at the the lower and back part of the cranium. The large oval opening in the bone is called the foramen magnum through which the spinal cord exits the cranial vault.
[[File:Occipital_bone.png|alt=|right|240x240px]]
 
The Occipital bone is a trapezoidal-shaped [[bone]] forming the base of the [[Bones of the skull|skull]].  It is situated at the the lower and back part of the cranium. The large oval opening in the bone is called the foramen magnum through which the [[Spinal cord anatomy|spinal cord]] exits the cranial vault.
=== Structure  ===
 
==== Surfaces ====
 
==== Foramen magnum ====
 
[[File:Occipital_bone.png|center|frameless|480x480px]] 
 
== Function  ==


=== Articulations  ===
=== Articulations  ===
The occipital bone articulate with six bones:  
[[File:Fullsizeoutput_c1.jpeg|200x200px|alt=|thumb|Occiput bone from above]]The occipital bone articulate with six bones:  
* Two temporal bones
* Two temporal bones
* Two parietal bones
* Two parietal bones
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* [[Atlas]]
* [[Atlas]]


=== Muscle attachments  ===
=== Muscle Attachments ===
Superior curved line: Occipito frontalis; [[Trapezius]]; [[Sternocleidomastoid]]
[[File:Occiput attachments.png|thumb|Muscle attachments]]


Space between the curved lines: Complexus; Splenius capitis; Obliquus superior
# Superior curved line: Occipito frontalis; [[Trapezius]]; [[Sternocleidomastoid]]
# Space between the curved lines: Complexus; [[Splenius Capitis|Splenius capitis]]; Obliquus superior
# Inferior curved line and space between it and the foramen magnum: Rectus posticus major and minor
# Transverse process: Rectus lateralis
# Basilar process: Rectus antics major and minor; Superior constrictor of pharynx<ref>Gray H, Anatomy, descriptive and surgical, 8th edition, Philadelphia, Collins, June, 1878</ref>


Inferior curved line and space between it and the foramen magnum: Rectus posticus major and minor
== Clinical Relevance ==
 
Transverse process: Rectus lateralis
 
Basilar process: Rectus antics major and minor; Superior constrictor of pharynx<ref>Gray H, Anatomy, descriptive and surgical, 8th edition, Philadelphia, Collins, June, 1878</ref>
 
== Clinical relevance  ==
Basilar skull fracture
Basilar skull fracture


== Resources  ==
== See Related Research ==
 
{{#ev:youtube|dl0Fk6-1FAk}}
 
== See also related research  ==
Occipital neuralgia<ref>Dougherty, C. Curr Pain Headache Rep (2014) 18: 411. <nowiki>https://doi-org.uplib.idm.oclc.org/10.1007/s11916-014-0411-x</nowiki></ref>
Occipital neuralgia<ref>Dougherty, C. Curr Pain Headache Rep (2014) 18: 411. <nowiki>https://doi-org.uplib.idm.oclc.org/10.1007/s11916-014-0411-x</nowiki></ref>


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[[Category:Anatomy]]  
[[Category:Anatomy]]  
[[Category:Bones]]  
[[Category:Bones]]  
[[Category:Bones of the Skull]]  
[[Category:Head - Anatomy]]
[[Category:Skull Bones]]
[[Category:Head - Bones]]
[[Category:Head]]

Latest revision as of 12:17, 3 February 2022

Original Editor- Hannah Hassell Top Contributors - Mande Jooste, Hannah Hassell, Kim Jackson, Lucinda hampton and Tony Lowe

Description[edit | edit source]

The Occipital bone is a trapezoidal-shaped bone forming the base of the skull. It is situated at the the lower and back part of the cranium. The large oval opening in the bone is called the foramen magnum through which the spinal cord exits the cranial vault.

Articulations[edit | edit source]

Occiput bone from above

The occipital bone articulate with six bones:

  • Two temporal bones
  • Two parietal bones
  • Sphenoid bone
  • Atlas

Muscle Attachments[edit | edit source]

Muscle attachments
  1. Superior curved line: Occipito frontalis; Trapezius; Sternocleidomastoid
  2. Space between the curved lines: Complexus; Splenius capitis; Obliquus superior
  3. Inferior curved line and space between it and the foramen magnum: Rectus posticus major and minor
  4. Transverse process: Rectus lateralis
  5. Basilar process: Rectus antics major and minor; Superior constrictor of pharynx[1]

Clinical Relevance[edit | edit source]

Basilar skull fracture

See Related Research[edit | edit source]

Occipital neuralgia[2]

References[edit | edit source]

  1. Gray H, Anatomy, descriptive and surgical, 8th edition, Philadelphia, Collins, June, 1878
  2. Dougherty, C. Curr Pain Headache Rep (2014) 18: 411. https://doi-org.uplib.idm.oclc.org/10.1007/s11916-014-0411-x