bio& 241: unit 2 lecture 1. functions of the skeletal system 1.support 2.protection 3.assistance...
TRANSCRIPT
Bio& 241: Unit 2 Lecture 1
Functions of the Skeletal System
1. Support2. Protection3. Assistance in Movement4. Mineral Homeostasis5. Blood Cell Production6. Triglyceride Storage
Axial Skeleton(indicated by blue)
Skull # of BonesCranium: 8Face: 14Auditory Ossicles: 6Hyoid 1Vertebral Column 26Cervical 7Thoracic 12Lumbar 5Sacrum 1Coccyx 1Sternum 1Ribs 24
Axial Skeleton Total 80
Appendicular Skeleton( in bone color)
Pectoral Girdle # 0f BonesClavicle 2Scapula 2
Upper ExtremitiesHumerus 2Ulna 2Radius 2Carpals 16Metacarpals 10Phalanges 28
Appendicular Skeleton( in bone color)
Pelvic Girdle # 0f BonesOs Coxae 2
Lower ExtremitiesFemur 2Fibula 2Tibia 2Patella 2Tarsals 14Metatarsals 10Phalanges 28
Appendicular Total 126
Skeleton Total 206
Another common example of a Sesamoid Bone
Wormian bone
Anatomical Terms for Bone Features
Major Features
HeadNeckBody
Anatomical Terms for Bone Features
Major Features
HeadNeckBody
Anatomical Terms for Bone Features
Major Features
HeadNeckBody
Anatomical Terms for Bone Features
Major features
Angle
Ramus
Margin or
Border
Inferior angle
Superior angle
Anatomical Terms for Bone Features
Major features
Angle
Ramus
Margin or
Border
Anatomical Terms for Bone Features
Major features
Angle
Ramus
Margin or
Border Axillary border
Anatomical Terms for Bone Features
Major features
Condyle
Epicondyle
Lateral condyle Medial condyle
Anatomical Terms for Bone Features
Major features
Condyle
Epicondyle
Medial epicondyle
Anatomical Terms for Bone Features
Ridges
Line or Linea
Crest or Crista
Spine
Linea Aspera
Anatomical Terms for Bone Features
Ridges
Line or Linea
Crest or Crista
Spine
Crista galli
Anatomical Terms for Bone Features
Ridges
Line or Linea
Crest or Crista
Spine
Anatomical Terms for Bone Features
Processes
Tubercle
Tuberosity
Trochanter
Hamulus
Lesser tubercle
Anatomical Terms for Bone Features
Processes
Tubercle
Tuberosity
Trochanter
Hamulus
Radial Tuberosity
Anatomical Terms for Bone Features
Processes
Tubercle
Tuberosity
Trochanter
Hamulus
Greater trochanter
Lesser trochanter
Anatomical Terms for Bone Features
Processes
Tubercle
Tuberosity
Trochanter
Hamulus
Anatomical Terms for Bone Features
Openings
Foramen
Meatus
Fissure
Sinus
Obturator foramen
Anatomical Terms for Bone Features
Openings
Foramen
Meatus
Fissure
Sinus
External Auditory Meatus
Anatomical Terms for Bone Features
Openings
Foramen
Meatus
Fissure
Sinus
Superior Orbital Fissure
Anatomical Terms for Bone Features
• Openings• Foramen• Meatus• Fissure• Sinus
Frontal Sinus
Anatomical Terms for Bone Features
Depressions
Fossa
Impression
Notch
SulcusInfraspinous Fossa
Supraspinous Fossa
Anatomical Terms for Bone Features
Depressions
Fossa
Impression
Notch
Sulcus
Cerebellar impression
Anatomical Terms for Bone Features
Depressions
Fossa
Impression
Notch
Sulcus
Mandibular Notch
Anatomical Terms for Bone Features
Depressions
Fossa
Impression
Notch
Sulcus
Intertubercular Sulcus
Carpals
2. Scaphoid3. Lunate4. Triquetral5. Pisiform6. Trapezium7. Trapezoid8. Capitate9. Hamate
Carpals
1. Scaphoid2. Lunate3. Triquetral4. Pisiform5. Trapezium6. Trapezoid7. Capitate8. Hamate
Can You Name the Carpals?
Tarsals
1. Calcaneus2. Talus3. Navicular4. Cuboid5. 1st Cuneiform6. 2nd Cuneiform7. 3rd Cuneiform
Tarsals
1. Calcaneus2. Talus3. Navicular4. Cuboid5. 1st Cuneiform6. 2nd Cuneiform7. 3rd Cuneiform
Can you name the Tarsals?
Fetal Skull
Fontanels
Chiasmatic groove
Hypophyseal fossa
Sella turcica
