Pterygomaxillary fissure
Information about Pterygomaxillary fissure
| Left infratemporal fossa. (Pterygomaxillary fissure labeled at bottom left.) | |
| Latin | fissura pterygomaxillaris |
| subject #46 185 | |
| Dorlands/Elsevier | f_08/12365675 |
It connects the infratemporal with the pterygopalatine fossa, and transmits the terminal part of the internal maxillary artery.
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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.Bones of head and neck: cranial sutures, fontanelles, and related regions | |
|---|---|
| Cranial sutures | Coronal - Lambdoid - Occipitomastoid - Sphenofrontal - Sphenoparietal - Sphenosquamosal - Sphenozygomatic -Squamosal - Zygomaticotemporal - Zygomaticofrontal - Frontal/Metopic - Sagittal - Frontoethmoidal - Petrosquamous - Sphenoethmoidal - Sphenopetrosal |
| Fontanelles | Anterior fontanelle - Posterior fontanelle |
| Foramina of multiple bones | Inferior orbital fissure - Foramen lacerum - Jugular foramen - Nasolacrimal canal |
| Fossae | Anterior cranial fossa - Middle cranial fossa - Posterior cranial fossa - Cranial cavity |
| Other compound structures | Asterion - Nasion - Pterion - Dacryon - Zygomatic arch - Calvaria - Temporal fossa - Infratemporal fossa - Stephanion - Pterygomaxillary fissure - Pterygopalatine fossa |
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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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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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The lateral wall and the floor of the orbit are separated posteriorly by the inferior orbital fissure which transmits the maxillary nerve and its zygomatic branch, the infraorbital vessels, and the ascending branches from the sphenopalatine ganglion.
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The maxilla (plural: maxillae) is a fusion of two bones along the palatal fissure that form the upper jaw. This is similar to the mandible, which is also a fusion of two halves at the mental symphysis.
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The pterygoid processes of the sphenoid, one on either side, descend perpendicularly from the regions where the body and great wings unite.
Each process consists of a Medial pterygoid plate and a Lateral pterygoid plate, the upper parts of which are fused anteriorly; a
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Each process consists of a Medial pterygoid plate and a Lateral pterygoid plate, the upper parts of which are fused anteriorly; a
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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 sphenoid bone somewhat resembles a butterfly or bat with its wings extended.
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The infratemporal fossa is an irregularly shaped cavity, situated below and medial to the zygomatic arch.
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Boundaries
It is bounded by the following structures:- anteriorly
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The pterygopalatine fossa is a fossa in the skull.
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Boundaries
It has the following boundaries:- anterior: maxilla (back surface - palatine process of maxilla)
- posterior: sphenoid bone (pterygoid process)
- medial
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The maxillary artery (or internal maxillary artery in older texts) is an artery that supplies deep structures of the face.
The maxillary artery, the larger of the two terminal branches of the external carotid artery, arises behind the neck of the
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Structure
The maxillary artery, the larger of the two terminal branches of the external carotid artery, arises behind the neck of the
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The State University of New York Health Science Center at Brooklyn, better known as SUNY Downstate Medical Center, is an academic medical center and is the only one of its kind in the Borough of Brooklyn in New York City.
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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.
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Pathology
If certain bones of the skull grow too fast then "premature closure" of the sutures may occur...... Click the link for more information.
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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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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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.
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Additional images
The skull from the front.
Base of the skull. Upper surface.
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The Sphenoparietal suture is the cranial suture between the sphenoid bone and the parietal bone.
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External links
- SIG at UWash Sphenoparietal%20suture
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The Sphenosquamosal suture is a cranial suture between the sphenoid bone and the squama of the temporal bone.
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Additional images
Base of the skull. Upper surface.
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The Sphenozygomatic suture is the cranial suture between the sphenoid bone and the zygomatic bone.
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Additional images
The skull from the front.
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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.
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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.
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Additional images
Left zygomatic bone in situ.
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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.
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It is located in the anterior cranial fossa.
External links
- Roche Lexicon - illustrated navigator, at Elsevier 34257.
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