Quiz%20-%20Skeletal%20system%20anatomy

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Class Topics
Title Anat Phys 9/26/06
Objectives

• To assess knowledge of histology and learn about
  skeletal anatomy

• Quiz - Skeletal system anatomy
• Coloring Cranial Bones
• Notes Skull anatomy
• Facial bones
• It does not matter how slowly you go, so long as
  you do not stop.
• Confucius

Monday, May 21, 2018 1041 AM
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Class Assignments
By When
What

• Skeletal Anatomy Quiz 9/26/06
• Skull Anatomy Quiz 10/2/06
• Due this class period
• Due next class period
• Due in the future

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Frontal Bone

• Superior, anterior bone of skull (Forehead)
• Contains supraorbital foramen
• blood and nerves for forehead
• Connects to parietal bones at coronal suture
• Frontal sinus
• Superior section of orbits of eyes

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Parietal Bone

• Meet at superior margin (top) with saggital
  suture
• Joins with frontal at coronal suture
• No foramen

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Occipital bone

• Posterior and inferior region (back and floor) of
  cranium
• Meets with parietal at lambdoidal suture
• Contains foramen magnum
• exit for spinal cord
• guarded by occipital condyles
• articulates with the atlas (1st cervical
  vertebrae)
• External occipital protuberance

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Temporal Bone

• Meets with parietal at squamosal suture
• contains external auditory meatus
• ear canal
• mandibular fossa
• articulation with mandible
• Zygomatic process
• Posterior region (back part) of zygomatic arch
• Cheek bone

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Temporal Bone (cont.)

• Mastoid process
• Anchor for neck muscles
• sternocleidomastoid
• Styloid process
• anchors for muscles of tongue and pharnyx

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Sphenoid bone

• Posterior region of orbits, inferior region of
  cranium (lower walls and floor)
• Contains optic foramen
• opening for optic nerve
• Superior and inferior orbital fissures
• nerves and blood to eyes
• Sella turcica (Turkish saddle)
• houses the anterior pituitary gland
• Sphenoid sinus

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Ethmoid bone

• Makes up nasal septum and divides cranial cavity
  from nasal cavity
• splits into some of nasal conchae
• Cribriform plate
• for passage of olfactory nerves
• Crista Galli (Roosters comb)
• Projection in the middle of the cribriform plate
• Ethmoid sinus

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Ethmoid bone
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