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Parietal Bone and Sutures
Parietal Bone and Sutures
Published: 2012/10/09
Channel: SimplyAandP
Parietal bone and sutures
Parietal bone and sutures
Published: 2011/11/25
Channel: Evometrix1
Skull Anatomy - Bones and Structures - Head Anatomy #1
Skull Anatomy - Bones and Structures - Head Anatomy #1
Published: 2016/08/01
Channel: Animated Anatomy
Temporal Bone.mov
Temporal Bone.mov
Published: 2011/09/14
Channel: Kathy Farnsworth
Temporal Bone & Zygomatic Bone
Temporal Bone & Zygomatic Bone
Published: 2012/09/18
Channel: ItsVerosLife
Temporal Bone - Definition, Anatomy and Location - Human Anatomy | Kenhub
Temporal Bone - Definition, Anatomy and Location - Human Anatomy | Kenhub
Published: 2015/03/19
Channel: Kenhub
Axial Skeleton  The Skull (basics)
Axial Skeleton The Skull (basics)
Published: 2014/03/17
Channel: YesGoLocal
Squamosal Meaning
Squamosal Meaning
Published: 2015/05/02
Channel: ADictionary
Dinosaurs Unearthed - Triceratops
Dinosaurs Unearthed - Triceratops
Published: 2016/07/03
Channel: MadWizard38
Cranial Bones and Sutures
Cranial Bones and Sutures
Published: 2016/12/06
Channel: Carolyn Fischer
Temporal bone
Temporal bone
Published: 2015/09/25
Channel: Ella Contardo
Squamous Meaning
Squamous Meaning
Published: 2015/04/18
Channel: SDictionary
HN-1The Human Skull
HN-1The Human Skull
Published: 2015/03/13
Channel: SIMPLE123
PL3_MAMMALIAN JAW EVOLUTION
PL3_MAMMALIAN JAW EVOLUTION
Published: 2012/06/15
Channel: Walter Jahn
Squamosal suture cranial fault
Squamosal suture cranial fault
Published: 2015/04/17
Channel: Tiphanie Hall
Craniosynostosis
Craniosynostosis
Published: 2015/03/04
Channel: UT Health San Antonio Neurosurgery
Spinops - Video Learning - WizScience.com
Spinops - Video Learning - WizScience.com
Published: 2015/09/04
Channel: Wiz Science™
What does squamosal mean
What does squamosal mean
Published: 2016/01/14
Channel: botcaster inc. bot
Cranial skeleton
Cranial skeleton
Published: 2012/05/24
Channel: Eunhye Huh
Torosaurus perforated lizard .
Torosaurus perforated lizard .
Published: 2012/10/28
Channel: MARTINEZZZ365
Sunosuchus - Video Learning - WizScience.com
Sunosuchus - Video Learning - WizScience.com
Published: 2015/09/29
Channel: Wiz Science™
Sagittal, Coronal, and Squamosal Sutures
Sagittal, Coronal, and Squamosal Sutures
Published: 2015/04/17
Channel: chelseydodd
Joints (Introduction)
Joints (Introduction)
Published: 2017/12/22
Channel: sqadia.com
Mississippi King by Five Horse Johnson
Mississippi King by Five Horse Johnson
Published: 2010/11/16
Channel: Matt H
Anatomy and Physiology 1500:Skull and Facial Bones
Anatomy and Physiology 1500:Skull and Facial Bones
Published: 2013/06/27
Channel: Stefan tePoele
Erythrosuchus - Video Learning - WizScience.com
Erythrosuchus - Video Learning - WizScience.com
Published: 2015/09/10
Channel: Wiz Science™
Monjurosuchus - Video Learning - WizScience.com
Monjurosuchus - Video Learning - WizScience.com
Published: 2015/09/10
Channel: Wiz Science™
Biting Mechanism of Snake
Biting Mechanism of Snake
Published: 2018/02/05
Channel: ZOOLOGICAL WORLD
Anatomy and Physiology Chapter 7 Part A Lecture: The Skelton
Anatomy and Physiology Chapter 7 Part A Lecture: The Skelton
Published: 2015/09/29
Channel: Fuzail Majoo
Nodocephalosaurus - Video Learning - WizScience.com
Nodocephalosaurus - Video Learning - WizScience.com
Published: 2015/09/17
Channel: Wiz Science™
Jack & Jill
Jack & Jill
Published: 2011/12/05
Channel: Leane Rodriguez
Nicole LeDouarin (Collège de France) Part 3: Neural Crest Contribution to Craniofacial and Brain Dev
Nicole LeDouarin (Collège de France) Part 3: Neural Crest Contribution to Craniofacial and Brain Dev
Published: 2010/03/26
Channel: iBiology
Homalocephale - Video Learning - WizScience.com
Homalocephale - Video Learning - WizScience.com
Published: 2015/09/08
Channel: Wiz Science™
What Is The Parietal Bone?
What Is The Parietal Bone?
Published: 2017/07/06
Channel: sparky Q
Feeserpeton - Video Learning - WizScience.com
Feeserpeton - Video Learning - WizScience.com
Published: 2015/09/29
Channel: Wiz Science™
Health Benefits of Sugar Apple - Top 10 Benefits - Health Benefits - Easy Recipes
Health Benefits of Sugar Apple - Top 10 Benefits - Health Benefits - Easy Recipes
Published: 2014/09/14
Channel: Easy Recipes
Skull Anatomy: Part 1
Skull Anatomy: Part 1
Published: 2013/02/06
Channel: ANAT1552
Torosaurus - Video Learning - WizScience.com
Torosaurus - Video Learning - WizScience.com
Published: 2015/08/05
Channel: Wiz Science™
Nicole LeDouarin (Collège de France) Part 1: The Neural Crest in Vertebrate Development
Nicole LeDouarin (Collège de France) Part 1: The Neural Crest in Vertebrate Development
Published: 2010/03/26
Channel: iBiology
Medicine - The Temporal Bone
Medicine - The Temporal Bone
Published: 2012/09/07
Channel: Russell deJesus
Anatomy I Episode 5: Skull (Cranial bones and their Sutures) - TEACHER T
Anatomy I Episode 5: Skull (Cranial bones and their Sutures) - TEACHER T
Published: 2017/09/05
Channel: TeacherTAnatomy3
Kundurosaurus
Kundurosaurus
Published: 2015/07/30
Channel: Wiz Science™
Human Skull MD-14 Natural Bone  Large Male With Dental Anomaly
Human Skull MD-14 Natural Bone Large Male With Dental Anomaly
Published: 2008/12/02
Channel: Jeff Nix
25 Parts of the Skull
25 Parts of the Skull
Published: 2017/10/24
Channel: Destinee Taylor
Ceratopsia - Video Learning - WizScience.com
Ceratopsia - Video Learning - WizScience.com
Published: 2015/08/06
Channel: Wiz Science™
How to Pronounce Frontozygomatic
How to Pronounce Frontozygomatic
Published: 2015/03/07
Channel: Pronunciation Guide
Nose Endoscopy : Perennial Allergic Rhinitis with DNS , ITH with Right  Ear CSOM  - Squamosal type
Nose Endoscopy : Perennial Allergic Rhinitis with DNS , ITH with Right Ear CSOM - Squamosal type
Published: 2015/07/08
Channel: Dr Krunal Karade
Protome (genus) - Video Learning - WizScience.com
Protome (genus) - Video Learning - WizScience.com
Published: 2015/09/29
Channel: Wiz Science™
Parts of the Skull
Parts of the Skull
Published: 2008/05/25
Channel: Efosa Igbinovia
Nicole LeDouarin (Collège de France) Pt 2: The Role of the Neural Crest in Head Dev & Vertebrate Evo
Nicole LeDouarin (Collège de France) Pt 2: The Role of the Neural Crest in Head Dev & Vertebrate Evo
Published: 2010/03/26
Channel: iBiology
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
  (Redirected from Squamosal)
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Sq: squamosal

The squamosal is a bone of the head of higher vertebrates. It is the principal component of the cheek region in the skull, lying below the temporal series and otic notch and bounded anteriorly by the postorbital. Posteriorly, the squamosal articulates with the posterior elements of the palatal complex, namely the quadrate and pterygoid. The squamosal is bordered anteroventrally by the jugal and ventrally by the quadratojugal.[1]

In many mammals, including humans, it fuses with the periotic bone and the auditory bulla to form the temporal bone, then referred to as the squama temporalis.

Evolution[edit]

In synapsids (mammal-like reptiles) the jaw is composed of four bony elements and referred to as a Quadro-articular jaw because the joint is between the articular and quadrate bones. In therapsids (advanced synapsids including mammal ancestors) the jaw is simplified into an articulation between the dentary and the squamous part of the temporal bone, and hence referred to as a dentary-squamosal jaw. In therapsids, the other two bones have moved into the ear to become the malleus and incus.[2]

References[edit]

  1. ^ Roemer, A. S. (1956). Osteology of the Reptiles. University of Chicago Press. p. 772. 
  2. ^ Carr, Steven M. (2005). "Quadroarticular vs Dentary-Squamosal jaw". Memorial University of Newfoundland. Retrieved August 2012.  Check date values in: |access-date= (help)

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