Skull, Facial Bones, and Paranasal Sinuses

Pregunta	Respuesta
# of Cranial Bones	8
# of Facial Bones	14
Cranial Bones are divided into 2 groups:	Calvaria Floor
Bones that compose the Calvaria	Frontal Bone Occipital Bone Right Parietal Bone Left Parietal Bone
Bones that compose the Floor	Ethmoid Bone Sphenoid Bone Right Temporal Bone Left Temporal Bone
Dilpoe	Inner layer of spongy bone
Mesocephalic Skull	Typical Skull 47 degrees
Brachycephalic skull	Wider 54 degrees
Dolichocephalip Skull	Narrower 40 degrees
Image: 120px Frontal Bone Anterior (image/png)	Frontal Bone Articulates with: R&L Parietals Sphenoid Ethmoid
Image: Occipital Bone Lateral3 15311 Ccf89310 Fa578 B (image/png)	Occipital Bone Articulates with: R&L Parietals R&L Temporals Sphenoid Atlas (C1)
Image: Parietal Bone Superior (image/png)	Right and Left Parietal Bones Articulate with: Opposite parietal at MSP Frontal Temporal Occipital Sphenoid
Image: Sphenoid Bone Animation (image/gif)	Sphenoid Bone Articulates with: 7 other cranial bones Zygoma
Image: 1200px Temporal Bone Lateral5 (image/png)	Temporal Bone Articulates with: Parietals Occipital Sphenoid
Image: C47f75a417abf861f6401aac181e504a (image/jpeg)	Ethmoid Bone Articulates with: Frontal Sphenoid
Coronal Suture	Between Frontal and Parietal Bones Image: 250px Sobo 1909 46 Coronal Suture (image/png)
Sagittal Suture	Top of head between Parietal bones Image: 250px Sobo 1909 46 Sagittal Suture (image/png)
Squamosal Suture	Between Temporal and Parietal Bones Image: B46352c5f6a75edab7137e61916de9 Thumb (image/jpeg)
Lambdoidal Suture	Between Occipital and Parietal Bones Image: C612b33b83a341fe7607ce681900a45d (image/jpeg)
Bregma	Junction of coronal and sagittal sutures Image: Bregma (image/jpeg)
Lambda	Junction of lambdoidal and sagittal sutures Image: 32d095caa19d8c982e2ceb9fb39869 (image/png)
Pterion	Junction of parietal bone, squamosal suture, and greater wing of the sphenoid Image: Landmarks+Coronal+Suture+3.+Pterion (image/jpeg)
Asterion	Junction of occipital bone, parietal bone, and mastoid portion of temporal bone Image: Skull The Normas 35 728 (image/jpeg)
Fontanelles	Areas of incomplete ossification Image: Images?Q=Tbn:A Nd9 Gc Q Fx Ibe Xx Okbo7 Oi Hct Woc Eqj Mn I Aw0l4nvk6n S Lf U Dm2h Br Ey (image/jpeg)
Cranial Bones	Frontal Bone Occipital Bone R&L Parietal Bones R&L Temporal Bones Sphenoid Ethmoid
Facial Bones	R&L Nasal Bones R&L Lacrimal Bones R&L Maxillary Bones R&L Zygomatic Bones R&L Palatine Bones R&L Inferior Nasal Conchae Vomer Mandible
Image: D41aa59d8981f07b6d09b93bd0fd3db5 Sphenoid Bone Lower Lip (image/jpeg)	Nasal Bones Articulatations: Frontal Ethmoid Maxillae Opposite nasal bone at MSP
Image: Lacrimal Bone Lateral View6 (image/png)	Lacrimal Bone Articulations: Frontal Ethmoid Maxilla Inferior Nasal Conchae
Image: Content Maxilla Atlas Tkj Wl G At Rk42x I3w46 D Lg (image/png)	Maxillary Bone Articulations: all facial bones except mandible
Image: Zygomatic Bone Anterior (image/png)	Zygomatic Bones Articulations: Frontal Bone (superior) Zygomatic process of temporal bone Maxilla (anterior) Sphenoid (posterior)
Image: Content Os Palatinum 2 Atlas Ck Woa G39x Mrn13 Uiu Uq O Wg (image/png)	Palatine Bone
Image: Inferior Nasal Concha (image/png)	Inferior Nasal Conchae Upper two nasal conchae are processes of ethmoid bone
Image: Vomer 2 Atlas Xwn6 Q6 Wy Fa X2 Ox9z Hu8 H Ng (image/png)	Vomer Forms inferior nasal septum Articulates with sphenoid and perpendicular plate of ethmoid
Image: The Mandible 2 (image/png)	Mandible Largest and densest facial bone Body Rami Symphysis
Image: Hyoid Bone (image/jpeg)	Hyoid Bone Does not articulate with any other bone in the body
Image: Fg06 15 T (image/jpeg)	Orbit
What seven bones compose the orbits?	Frontal, Sphenoid, Ethmoid, Maxilla, Zygoma, Lacrimal, Palatine
Paranasal Sinuses	air-filled cavities located in the frontal, ethmoid, and sphenoid bones of the cranium, as well as the maxillae of the face
Maxillary sinuses are formed at:	Birth
Frontal and Sphenoid sinuses are formed at:	6-7 years old
Ethmoid sinuses are formed at:	17-18 years old
Which sinuses are the largest?	Maxillary
5 Functions of Sinuses	1. resonating chamber for the voice 2. decrease weight of skull 3. aid in warming/moisturizing inhaled air 4. act as shock absorbers in trauma 5. possibly control immune system
Image: 020038 (image/jpeg)	Image: 020037 (image/jpeg)
Where are the ethmoid sinuses located?	Within the labyrinths of the ethmoid bone
Image: 020035a (image/jpeg)	Image: 020035b (image/jpeg)

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Skull, Facial Bones, and Paranasal Sinuses

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	Creado por Hannah Dodson hace casi 7 años