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Skull and Facial Muscles - Anatomy & Physiology (view source)

Revision as of 13:19, 30 July 2008

691 bytes added , 13:19, 30 July 2008

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*Temporal part provides the muscle attachments for the temporalis muscle

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===Parietal Bone===

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===Parietal Bone (os parietale)===

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~~===Ethmoid Bone===~~

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*Paired

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~~===Nasal Bone===~~

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*Forms the dorsolateral wall of the cranium

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~~===Lacrimal Bone===~~

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*Occipital bone caudally

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~~===Zygomatic Bone===~~

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*Frontal bone rostrally

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===~~Maxilla~~===

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*Composed of a pareital plane, temporal plane and a nuchal plane (in the ox)

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*Internally the grooves and ridges correspond with the gyri and sulci of the brain

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*Interpareital bone between the occipital bone and the pareital bone

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**Fuses with age

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===Ethmoid Bone (os ethmoidale)===

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*

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===Nasal Bone (os nasale)===

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===Lacrimal Bone (os lacrimale)===

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===Zygomatic Bone (os zygomaticum)===

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===Incisive Bone===

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===Incisive Bone (os incisivium)===

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===Palatine Bone===

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===Palatine Bone (os palatinum)===

===Vomer===

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===Pterygoid Bone===

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===Pterygoid Bone (os pterygoideum)===

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===Maxilla===

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===Mandible===

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===Mandible (mandibula)===

==Foramen==

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*Dorsal margin of orbit formed by the orbital ligament which is ossified

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*Interpareital bone does not fuse entirely in the adult

[[Image:Horse Skeleton.jpg|thumb|right|150px|Horse Skeleton - Copyright Nottingham]]

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*Weak external sagittal crest arises from nuchal crest

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*Internal sagittal crest on the internal surface of the pareital bone

*Long skull length

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[[Image:Pig skull.jpg|thumb|right|150px|Pig skull showing tusks - Copyright RVC]]

===Porcine===

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*Thick nucal ~~crests~~

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*Thick nucal crest

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*Internal sagittal crest on the internal surface of the pareital bone

*Prominent temporal line

Nabrown

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