1. Bio& 241: Unit 2 Lecture 1

2. Functions of the Skeletal System 1.Support 2.Protection 3.Assistance in Movement 4.Mineral Homeostasis 5.Blood Cell Production 6. Triglyceride Storage

3. Axial Skeleton (indicated by blue) Skull# of Bones Cranium:8 Face:14 Auditory Ossicles:6 Hyoid1 Vertebral Column26 Cervical7 Thoracic12 Lumbar5 Sacrum1 Coccyx1 Sternum1 Ribs24 Axial Skeleton Total80

4. Appendicular Skeleton ( in bone color) Pectoral Girdle# 0f Bones Clavicle2 Scapula2 Upper Extremities Humerus2 Ulna2 Radius2 Carpals16 Metacarpals10 Phalanges28

5. Appendicular Skeleton ( in bone color) Pelvic Girdle# 0f Bones Os Coxae2 Lower Extremities Femur2 Fibula2 Tibia2 Patella2 Tarsals14 Metatarsals10 Phalanges28 Appendicular Total126 Skeleton Total206

7. Another common example of a Sesamoid Bone

8. Wormian bone

9. Anatomical Terms for Bone Features Major Features Head Neck Body

10. Anatomical Terms for Bone Features Major Features Head Neck Body

11. Anatomical Terms for Bone Features Major Features Head Neck Body

12. Anatomical Terms for Bone Features Major features Angle Ramus Margin or Border Inferior angle Superior angle

13. Anatomical Terms for Bone Features Major features Angle Ramus Margin or Border

14. Anatomical Terms for Bone Features Major features Angle Ramus Margin or Border Axillary border

15. Anatomical Terms for Bone Features Major features Condyle Epicondyle Lateral condyleMedial condyle

16. Anatomical Terms for Bone Features Major features Condyle Epicondyle Medial epicondyle

17. Anatomical Terms for Bone Features Ridges Line or Linea Crest or Crista Spine Linea Aspera

18. Anatomical Terms for Bone Features Ridges Line or Linea Crest or Crista Spine Crista galli

19. Anatomical Terms for Bone Features Ridges Line or Linea Crest or Crista Spine

20. Anatomical Terms for Bone Features Processes Tubercle Tuberosity Trochanter Hamulus Lesser tubercle

21. Anatomical Terms for Bone Features Processes Tubercle Tuberosity Trochanter Hamulus Radial Tuberosity

22. Anatomical Terms for Bone Features Processes Tubercle Tuberosity Trochanter Hamulus Greater trochanter Lesser trochanter

23. Anatomical Terms for Bone Features Processes Tubercle Tuberosity Trochanter Hamulus

24. Anatomical Terms for Bone Features Openings Foramen Meatus Fissure Sinus Obturator foramen

25. Anatomical Terms for Bone Features Openings Foramen Meatus Fissure Sinus External Auditory Meatus

26. Anatomical Terms for Bone Features Openings Foramen Meatus Fissure Sinus Superior Orbital Fissure

27. Anatomical Terms for Bone Features Openings Foramen Meatus Fissure Sinus Frontal Sinus

28. Anatomical Terms for Bone Features Depressions Fossa Impression Notch Sulcus Infraspinous Fossa Supraspinous Fossa

29. Anatomical Terms for Bone Features Depressions Fossa Impression Notch Sulcus Cerebellar impression

30. Anatomical Terms for Bone Features Depressions Fossa Impression Notch Sulcus Mandibular Notch

31. Anatomical Terms for Bone Features Depressions Fossa Impression Notch Sulcus Intertubercular Sulcus

33. Carpals 2. Scaphoid 3. Lunate 4. Triquetral 5. Pisiform 6. Trapezium 7. Trapezoid 8. Capitate 9. Hamate

34. Carpals 1.Scaphoid 2.Lunate 3.Triquetral 4.Pisiform 5.Trapezium 6.Trapezoid 7.Capitate 8.Hamate

35. Can You Name the Carpals?

36. Tarsals 1.Calcaneus 2.Talus 3.Navicular 4.Cuboid 5. 1 st Cuneiform 6.2 nd Cuneiform 7.3 rd Cuneiform

37. Tarsals 1.Calcaneus 2.Talus 3.Navicular 4.Cuboid 5. 1 st Cuneiform 6.2 nd Cuneiform 7.3 rd Cuneiform

38. Can you name the Tarsals?

39. Fetal Skull Fontanels

46. Chiasmatic groove Hypophyseal fossa Sella turcica