Information about Sphenoparietal Suture

The zygomatic bone (malar bone) is a paired bone of the human skull. It articulates with the maxilla, the temporal bone, the sphenoid bone and the frontal bone. It forms part of the orbit and is commonly referred to as the cheekbone.
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The sphenoid bone (from Greek sphenoeides, "wedgelike") is a bone situated at the base of the skull in front of the temporals and basilar part of the occipital bone.

The sphenoid bone somewhat resembles a butterfly or bat with its wings extended.
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The parietal bones are bones in the human skull and form, by their union, the sides and roof of the cranium. Each bone is irregularly quadrilateral in form, and has two surfaces, four borders, and four angles.

Surfaces

External

The external surface [Fig.
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Latin}}} 
Official status
Official language of: Vatican City
Used for official purposes, but not spoken in everyday speech
Regulated by: Opus Fundatum Latinitas
Roman Catholic Church
Language codes
ISO 639-1: la
ISO 639-2: lat
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Elsevier, the world's largest publisher of medical and scientific literature, forms part of the Reed Elsevier group. Based in Amsterdam, the company has substantial operations in the UK, USA and elsewhere.
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Cranial sutures are the joints between the bones of the skull (or "cranium"), bound together by Sharpey's fibres. A tiny amount of movement is permitted at sutures, which contributes to the compliance and elasticity of the skull.
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The sphenoid bone (from Greek sphenoeides, "wedgelike") is a bone situated at the base of the skull in front of the temporals and basilar part of the occipital bone.

The sphenoid bone somewhat resembles a butterfly or bat with its wings extended.
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The parietal bones are bones in the human skull and form, by their union, the sides and roof of the cranium. Each bone is irregularly quadrilateral in form, and has two surfaces, four borders, and four angles.

Surfaces

External

The external surface [Fig.
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University of Washington, founded in 1861, is a public research university in Seattle, Washington. Also known as Washington and locally as The U or UW (usually pronounced "U-Dub"), it is the largest university in the Northwestern United States and the oldest
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Public domain comprises the body of knowledge and innovation (especially creative works such as writing, art, music, and inventions) in relation to which no person or other legal entity can establish or maintain proprietary interests within a particular legal jurisdiction.
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Henry Gray's Anatomy of the Human Body (or Gray's Anatomy as it has commonly been shortened) is an English-language human anatomy textbook widely regarded as a classic work on the subject.
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Bones are rigid organs that form part of the endoskeleton of vertebrates. They function to move, support, and protect the various organs of the body, produce red and white blood cells and store minerals.
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Head and neck anatomy focuses on the structures of the head and neck of the human body, including the brain, bones, muscles, blood vessels, nerves, glands, nose, mouth, teeth, tongue, and throat.
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Cranial sutures are the joints between the bones of the skull (or "cranium"), bound together by Sharpey's fibres. A tiny amount of movement is permitted at sutures, which contributes to the compliance and elasticity of the skull.
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fontanelle (or fontanel) is one of two "soft spots" on a newborn human's skull. There are, however, two more fontanelles of interest, the mastoid fontanelle, and the sphenoidal fontanelle.
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Cranial sutures are the joints between the bones of the skull (or "cranium"), bound together by Sharpey's fibres. A tiny amount of movement is permitted at sutures, which contributes to the compliance and elasticity of the skull.
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The coronal suture is a dense, fibrous connective tissue joint that separates the frontal and parietal bones of the skull. At birth, the bones of the skull do not meet.

Pathology

If certain bones of the skull grow too fast then "premature closure" of the sutures may occur.
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The lambdoid suture (or Lambdoidal suture) is a dense, fibrous connective tissue joint that separates the parietal and temporal bones of the skull from the occipital bone.

Its name comes from the lambda-like shape this suture makes on the back of the skull.
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The occipitomastoid suture is the cranial suture between the occipital bone and the mastoid portion of the temporal bone.

It is continuous with the lambdoidal suture.
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The Sphenofrontal suture is the cranial suture between the sphenoid bone and the frontal bone.

Additional images

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The Sphenosquamosal suture is a cranial suture between the sphenoid bone and the squama of the temporal bone.

Additional images

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The Sphenozygomatic suture is the cranial suture between the sphenoid bone and the zygomatic bone.

Additional images

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The squamosal suture arches backward from the pterion and connects the temporal squama with the lower border of the parietal: this suture is continuous behind with the short, nearly horizontal parietomastoid suture
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The Zygomaticotemporal suture (or Temporozygomatic suture) is the cranial suture between the zygomatic bone and the temporal bone.

External links

• SIG at UWash Temporozygomatic%20suture
• Roche Lexicon - illustrated navigator, at Elsevier

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The Zygomaticofrontal suture (or Frontozygomatic suture) is the cranial suture between the zygomatic bone and the frontal bone.

Additional images

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The frontal suture is a dense connective tissue structure that divides the two halves of the frontal bone of the skull in infants and children. It usually disappears by the age of six, with the two halves of the frontal bone being fused together.
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The sagittal suture is a dense, fibrous connective tissue joint between the two parietal bones of the skull. At birth, the bones of the skull do not meet. If certain bones of the skull grow too fast then "premature closure" of the sutures may occur.
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The frontoethmoidal suture is the suture between the ethmoid bone and the frontal bone.

It is located in the anterior cranial fossa.

External links

• Roche Lexicon - illustrated navigator, at Elsevier 34257.

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The petrosquamous suture is a cranial suture between the petrous portion and the squama of the temporal bone.

External links

• Diagram

This article was originally based on an entry from a public domain edition of Gray's Anatomy.
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The Sphenoethmoidal suture is the cranial suture between the sphenoid bone and the ethmoid bone.

External links

• SIG at UWash Spheno-ethmoidal%20suture

This article was originally based on an entry from a public domain edition of Gray's Anatomy.
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