Review Histology lab practical

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Class Topics
Title Anat Phys 9/22/06
Objectives

• To assess knowledge of histology and learn about
  skeletal anatomy

• Review Histology lab practical
• Skeletal system
• Anatomy
• Notes Skull anatomy
• "I'm a big believer in punctuality, though it
  makes me very lonely."
• E. Verral Lucas

Saturday, January 11, 2014 546 AM
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Class Assignments
By When
What

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

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Axial Skeleton

• Cranium - 8
• 1 Frontal
• 2 Parietal
• 1 Occipital
• 2 Temporal
• 1 Ethmoid
• 1 Sphenoid
• Ear Ossicles - 6
• 2 Malleus
• 2 Incus
• 2 Stapes

• Facial - 14
• 2 Zygomatic
• 2 Maxilla
• 2 Nasal
• 2 Nasal Conchae
• 2 Palatine
• 2 Lacrimal
• 1 Vomer
• 1 Mandible
• Hyoid 1
• 1 Hyoid bone

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Axial Skeleton

• Ribs - 25
• 24 ribs (12 on each side)
• 1 Sternum
• Vertebrae - 26
• 7 Cervical
• 12 Thoracic
• 5 Lumbar
• 1 Sacrum
• 1 Coccyx

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Appendicular Skeleton

• Pectoral Girdle (4)
• 2 scapula
• 2 clavicle
• Upper limbs (60)
• 2 humerus
• 2 radius
• 2 ulna
• 16 carpals
• 10 metacarpals
• 28 phalanges

• Pelvic Girdle (2)
• 2 os coxa
• Lower limbs (60)
• 2 femur
• 2 tibia
• 2 fibula
• 2 patella
• 14 tarsals
• 10 metatarsals
• 28 phalanges

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All the Bones

• Axial Skeleton
• Appendicular Skeleton
• Total Bones

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Terminology

• Condyle
• Facet
• Fissure
• Foramen
• Fossa
• Process
• Spine

• Trochanter
• Tubercle
• Tuberosity
• Suture
• Head
• Neck
• Diaphysis
• Epiphysis

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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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