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Human Biology B – Mrs. Yates. Disclosure Parent Permission Slip Rules Be on time Respect - talking No cell phones No complaining Don’t misuse hall pass. Human skeleton from Andreas Vesalius's Fabrica (1543). SKELETAL SYSTEM. Human B – Mrs. Yates. Bell Quiz Day 1.

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human biology b mrs yates
Human Biology B – Mrs. Yates
  • Disclosure
  • Parent Permission Slip
  • Rules
    • Be on time
    • Respect - talking
    • No cell phones
    • No complaining
    • Don’t misuse hall pass
bell quiz day 1
Bell Quiz Day 1
  • 1. How many bones do you think are in the human body?
  • 2. What is your largest bone?
  • 3. What is your smallest bone?
  • 4. Name five bones that you already know
  • 5. How many bones are you born with?
bell quiz day 2
Bell Quiz Day 2
  • Define the following:
    • Anterior
    • Lateral
    • Posterior
    • Sagittal
  • Define the following vocab words:
    • Corac
    • Carp
    • Cervic
    • Cox
    • Condyl
vocabulary
Vocabulary
  • 1. aur- 10. arthr(o)-
  • 2. –poiesis 11. carp-
  • 3. brachi- 12. cervic
  • 4. oss- 13. dia-
  • 5. burso 14. cox(a), pelv
  • 6. –genesis 15. dactyl, digit
  • 7. ax- 16. fov-
  • 8. front- 17. scolio
  • 9. corac- 18. condyl-
axial skeleton
Axial Skeleton
  • Skull
  • Ribs
  • Vertebrae
skull 22 bones
Skull – 22 bones
  • Two parts
    • Cranium bones - 8
    • Facial bones -14
    • Not fully developed at birth
    • Thickness ~ 2 mm
cranium
Cranium
  • A. Frontal bone
  • B. Parietal bone (paired)
  • C. Occipital bone
  • D. Temporal bone (paired)
  • E. Sphenoid (connects cranium to facial)
  • F. Ethmoid (roof and sides of the nasal passage)
facial
Facial
  • G. Lacrimal (2)
  • H. Nasal Bone (2)
  • I. Zygomatic (2) Cheek bones
  • J. Maxilla (2) upper jaw
  • K. Mandible *Only movable joint in the skull.
  • M. Vomer – Nasal Septum Bone
  • N. Palatine (2)
frontal bone
Frontal Bone
  • Contains 2 sinuses
frontal damage
Frontal - damage
  • A) before surgery
  • B) CT scans
  • C) during surgery
  • D) reconstruction of frontal plates
  • E) two years after surgery
slide18
Unusually aggressive forms of cutaneous squamous cell carcinoma are being increasingly recognized as a complication of HIV infection. We report the case of a 59-year-old male patient with advanced HIV infection who presented with a highly aggressive SCC lesion over the scalp area with destruction of the underlying parietal bone and fulminant clinical progression.
ethmoid bone
Ethmoid bone
  • Upper portion of nasal septum
  • Contains sinuses
vomer bone
Vomer bone
  • Bottom part of nasal septum
sutures a b c
Sutures (a,b,c)
  • Lines where bones meet, immovable joints.
fontanels
Fontanels
  • Soft spots with no bones when babies are born. (Connective tissue)
slide28
As a fetus develops, its brain grows rapidly. The skull is growing as well but can not keep up. Fusion of the bones begins, but will complete after birth. A new born generally has 2 frontal bones, 4 occipital bones, and several sphenoid and temporal bones. These bones are held together by fontanels.
foramen magnum
Foramen Magnum
  • Opening in occipital bone for spinal cord exit.
external auditory meatus
External Auditory Meatus
  • Opening in temporal bone for ear canals
styloid process
Styloid Process
  • Sharp bone projection to help anchor muscles association with the tongue.
mastoid process
Mastoid Process
  • Projection from skull
lacrimal 2
Lacrimal (2)
  • Thin and scale like
  • Fragile
  • Near tear ducts
nasal bone 2
Nasal Bone (2)
  • Two rectangles that form the bridge of the nose
zygomatic bone 2
Zygomatic Bone (2)
  • Cheek bones.
  • ‘Zygomatic Arch’ connects to the temporal bone.
maxilla 2
Maxilla (2)
  • Form the floor of the nasal cavity and the roof of the oral cavity (hard palate).
  • Upper jaw
mandible
Mandible
  • Only moveable face bone
ossicles
Ossicles
  • Bones of the ear
  • Smallest bones in body

Malleus Incus Stapes

Hammer Anvil Stirrup

hyoid
Hyoid
  • Attachment for movement of the tongue
  • doesn’t touch any other bones
  • Only floating bone
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