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Portage Learning: A & P 1, Module 4 Skeletal System $9.29   Add to cart

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Portage Learning: A & P 1, Module 4 Skeletal System

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Portage Learning: A & P 1, Module 4 Skeletal System parietal Anstemporal Ansfrontal Ansoccipital Anssphenoid Ansethmoid Ans- small unpaired bone, located in the midline of the anterior cranium, between the two orbits. sinus Ans- spaces inside bones purpose of sinuses Ans- reduces weight...

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  • March 29, 2023
  • 13
  • 2022/2023
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Portage Learning: A & P 1, Module 4
Skeletal System
parietal Ans-



temporal Ans-



frontal Ans-



occipital Ans-



sphenoid Ans-



ethmoid Ans- small unpaired bone, located in the midline of the anterior cranium, between the two
orbits.



sinus Ans- spaces inside bones



purpose of sinuses Ans- reduces weight of skull//provides resonance to voice



fontanelle Ans- spaces b/t posterior, anterior, mastoid, & sphenoid (on infants)



mastoid Ans-



maxilla Ans-



mandible Ans- only movable portion of skull



nasal Ans-

, lacrimal Ans-



foramen magnum Ans- allows spinal cord to pass through to brain



external acoustic meatus Ans- allows hearing



cervical vertebrae Ans- C1-C7, small body, large vertebral foramen, straight & narrow spinous process,
transverse process & transverse foramen (passage of vertebral arteries)



atlas Ans- C1, large vertebral foramen allows for passage of brain stem and spinal cord, no body



axis Ans- C2, odontion process sticking out, allows for rotation of the skull



thoracic vertebrae Ans- T1-T12; second set of 12 vertebrae; costal facets that articulate with the 12 pairs
of ribs ; superior and inferior facets ; long and pointed spinous process



lumbar vertebrae Ans- L1-L5, large body to support weight of vertebral column,



sacrum Ans- 5 fused vertebrae, separate at birth



coccyx Ans- tailbone, attachment point for muscles



zygomatic Ans-



thoracic cage Ans- 24 ribs, 1 sternum



sternum Ans- breastbone

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