Human biology b mrs yates
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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

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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


Skeletal system

Human skeleton from Andreas Vesalius's Fabrica (1543)

SKELETAL SYSTEM

Human B – Mrs. Yates


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. –poiesis11. carp-

  • 3. brachi-12. cervic

  • 4. oss-13. dia-

  • 5. burso14. cox(a), pelv

  • 6. –genesis15. 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 8 bones that enclose the brain

Cranium (8)– bones that enclose the brain


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 14 bones not enclosing brain

Facial – (14) Bones not enclosing brain


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)


Color code the brain a l and sutures a b c

Color Code the Brain A-L and sutures (a,b,c)


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


Parietal bone 2

Parietal Bone - 2


Human biology b mrs yates

  • 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.


Occipital bone

Occipital Bone


War of the roses 1491

War of the roses - 1491


Temporal 2

Temporal - 2


Temporal occipital region

Temporal- Occipital region


Sphenoid pg 139 batman bone

Sphenoid (pg. 139) Batman Bone

  • Contains sinuses


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)


Human biology b mrs yates

  • 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


Facial bones

Facial Bones


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

MalleusIncusStapes

HammerAnvilStirrup


Hyoid

Hyoid

  • Attachment for movement of the tongue

  • doesn’t touch any other bones

  • Only floating bone


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