A&P Lecture Axial Skelton

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1

Condyle

Rounded process that articulates with another bone

2

Facet

Small Flat Surface

3

Meatus

Tube like passage way through the bone

4

Foramen

Is a opening in a bone (hole)

5

Fossa

Deep pit or depression

6

Fovea

Tiny pit or depression

7

Process

Prominent projection on a bone

8

Spine

Thorn like projection on a bone

9

Suture

Interlocking line of union between bones

10

Tubercle

Small knob like process on a bone

11

Tuberoscity

Large knob like process on a bone

12

Axial Skeleton

Skull(22 bones)
Hyoid
Thoracic Cage
Vert. Column

13

What bones are in the Cranial section of the skeleton

Frontal Bone(1)
Parietal bone (2)
Occiptal Bone (1)
Temporal Bone (2)
Sphenoid bone (1)
Ethnoid bone (1)

14

What bones are in the Facial section of the skull?

Zygomatic (2,cheek bones)
Maxillae (2)
Nasal (2)
Lacrimal (2)
Mandible (1)
Vomer (1)
Nasal Conchae (2)
Palatine (2)

15

What is the Hyoid Bone

Hyoid holds muscle attachments for the tongue

16

How many ribs are in the Thoracic Cage?

24 total, 12 pair

17

What are the first seven ribs called?

Vertebrosternal Ribs

18

What makes a direct connection to the Sternum?

Vertebrosternal Ribs-Coasal Cartlidge

19

What are the last 5 pairs of Ribs called?

Vertebrochondral- They do not have the direct coastal cartilage connection

20

What are the last 2 pairs of ribs called

Floating Ribs-They have no connection to the sternum

21

What is the Sternum Composed of?

Manubrium, Body, Xiphoid Process

22

What is the Vert. Column Composed of?

Cervical They are identified as C1-C7
Thoracic Vertebrae (12)
Lumbar Ver (5)
Sacrum (5 fused Vertebre)
Coccyx(4fused Vertebrae)

23

What is C1 called?

Atlas

24

What is C2 called?

Axis

25

What is located on top of the Axis?

The Odontoid Process

26

How is the Thoracic Vertebrae labeled

T1-T12

27

How is the Lumbar Vertebrae labeled?

L1-L5