ANATOMY

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Lab4_Axial_N.docx

Hands On Lab 4: Axial Skeletal System

Submission instructions: Type your answers and copy all pictures directly into this Word document. Submit it via the blackboard submission link in Word format (docx).

Introduction:

The skeletal system is the support structure for the body. There are 206 bones, divided into the axial and appendicular skeletons.

This lab will teach you bones that make up the axial skeleton and the major bone markings. Bone markings are holes, ridges, projections, etc. that serve as attachments for muscles, and provide routes for blood vessels and nerves.

Watch These:

Crash Course has 2 skeletal videos that you may want to take a look at:

Skeletal #1(Opens in new window-10:37): Stronger focus on the cellular level so helpful for the lecture portion of the course

Skeletal #2 (Opens in new window-9:22): Basics of the skeletal system and joints (a future lab).

*Do not forget to use the Practice Atlas located within Connect. It’s quite helpful for A&P and shows different views of the various bones and allows for practice with naming. Its located on the left-hand side of the screen when you enter Connect.

Picture showing where to find practice atlas

Activity 1: Virtual Axial Skeleton Lab

The virtual skeleton laboratory will teach the bones of the axial skeletal division and the major bone markings at your own pace.

Virtual Axial Skeleton Lab (opens new window)

Click on the lab and go through all of the sections. Although you will be learning all of the bones, we have limited the bone markings to the major ones. Please see the module 2 lab study objectives in blackboard, for all of the axial skeleton markings you are responsible for. You are not required to learn any markings in the virtual lab that are not on this list.

We know, it’s a lot of bones! This is what you need to know so find a method to study this information: Some use index cards, some practice labeling diagrams, some have a friend quiz them, or all of the above. Find what works for you. Students have also made up ‘sayings’ and ways to remember certain parts of the skeleton. Ones we know will be shared in the virtual lab but also look for/make up your own!

Activity 2: Identifying Major Bones (Diagram on next page)

Identify the Major Bones. Each letter will only be used once.

1.

4

2. Fibula

3. Humerus

4. Ribs

5. Ulna

6. Coccyx

7. Sternum

8. Scapula

9. Radius

10. Vertebral Column

11. Tibia

12. Mandible

13. Sacrum

14. Pelvis

15. Skull

16. Patella

17. Femur

18. Clavicle

Activity 3: Identifying Skull Bones, Sutures, and Markings

Identify the bones and structures. Each letter will only be used once.

19. Coronal suture

20. Parietal Bone

21. Occipital Bone

22. Sphenoid Bone

23. Styloid process

24. Lacrimal bone

25. Mastoid process

26. Squamosal suture

27. Ethmoid

28. Maxilla

29. Alveolar Processes

30. Temporal Bone

31. Frontal Bone

32. External acoustic meatus

33. Zygomatic bone

34. Nasal bone

35. Vomer

36. Lambdoidal suture

Activity 4: General Vertebral Structure

Match the parts of the general vertebrae. Each letter will only be used once.

37.

38. Vertebral Body

39. Spinous process

40. Transverse process

41. Vertebral foramen

42. Pedicle

43. Lamina

44. Articular Facet

Activity 5: Vertebral Column Matching

Match the parts of the vertebral column with their name and/or number. Some letters will be used more than once!

1.

45. 12

46. Lumbar

47. 7

48. Coccyx

49. Axis

50. 5 (not fused)

51. Atlas

52. Cervical

53. Thoracic

54. Sacrum

*All images in this lab are copyright of McGraw-Hill

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