BONES

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BONES Presented By: Thomas Pham, Gianna O’Hara and David Hall

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BONES. Presented By: Thomas Pham, Gianna O’Hara and David Hall. Google Images. Questions to Ponder…. What bone differentiates men and women? A. Pelvis B. Femur C. Humerus D. Carpal bones Which one of these bones doesn’t completely fuse until age 25-30? A. Pelvis B. Sacrum C. Skull - PowerPoint PPT Presentation

Transcript of BONES

Page 1: BONES

BONES

Presented By: Thomas Pham, Gianna O’Hara and David Hall

Page 2: BONES

Google Images

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Questions to Ponder…What bone differentiates men and women?

A. Pelvis

B. Femur

C. Humerus

D. Carpal bones

Which one of these bones doesn’t completely fuse until age 25-30?

A. Pelvis

B. Sacrum

C. Skull

D. Humerus

Which fracture has a tendon pull off a piece of bone?

A. TransverseB. ComminutedC. SegmentalD. Avulsion

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Why Would Bones Not Fuse Right Away?

● We are still growing!!● Allows for your organs, muscles,

nerves, arteries and veins to have room to migrate to their final destinations

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Bones that take a while to fuse/ossify:● When do all 28(ish) bones of the skull fuse together?

○ Between ages 13-18!

● What about the sacrum?○ Between ages 25-30!

● The humerus?○ Around age 20!

● Don’t tell me the pelvis, too!?○ As late as age 25

Google Images

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How would this help you with forensics?

● Identifying the age of the patient● Collecting all bones possible● Figuring out why someone died

Google Images

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References

● Gray’s Anatomy, 40th Edition

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#BONES #PIPELINE2013

http://youtube.com/v/57dzaMaouXA
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Female vs. Male Bones

● What BONES are different between female

and male skeletons?

● How are they different?

● What are the reasons for those differences?

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Female vs. Male Bones

● Skull

● PelvisPelvis is easiest bone to identify between female and male skeletons! We will take a closer look at some of the pelvic bone features...

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Pelvis

Gray’s Anatomy, 40th edition

Circular Shape Heart Shape

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PelvisMALE FEMALE

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MALE

FEMALE

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Hmmm...

In what circumstance can you not tell the difference between Male and Female Pelvic bones?

● When the bones belong to a young person!○ Females end bone development

around 18 years old○ Males end bone development

around 21 years old

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Why so serious?

What is the functional reason for the difference in pelvic bones between males and female?

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Childbirth!!!

Baby’s head needs to exit through the pelvis!

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Bone Forensics

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References

● http://anthropology.si.edu/writteninbone/male_female.html

● Grey’s Anatomy, 40th edition● All Images from Google

http://anthropology.si.edu/writteninbone/male_female.html
http://anthropology.si.edu/writteninbone/male_female.html
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Carbon Dating

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Bone Fractures

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A. AvulsionB. Greenstick

C. Oblique

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A. AvulsionB. SpiralC. GreenstickD. Oblique

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Segmental Fracture

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Ossification Review

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Where is the sacrum?

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What bone differentiates men and women?

A. Pelvis

B. Femur

C. Humerus

D. Carpal bones

Which one of these bones doesn’t completely fuse until age 25-30?

A. Pelvis

B. Sacrum

C. Skull

D. Humerus

Which fracture has a tendon pull off a piece of bone?

A. TransverseB. ComminutedC. SegmentalD. Avulsion


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