Dr. Islam Omar Introduction to Anatomy and Skeletal System PDF

Summary

This document is an introduction to anatomy and the skeletal system. It covers various topics including definitions, different anatomical fields, terms of position and movement, and approaches to studying anatomy. It also includes information on bone function and the structure of the human skeleton.

Full Transcript

Intended Learning Outcomes At the end of the lecture, the students should be able to:  Define the word (Anatomy)  Enumerate the different anatomical fields  Describe different anatomical terms of position & movements as well as different anatomical planes Definition the word (Anatomy)...

Intended Learning Outcomes At the end of the lecture, the students should be able to:  Define the word (Anatomy)  Enumerate the different anatomical fields  Describe different anatomical terms of position & movements as well as different anatomical planes Definition the word (Anatomy) FIELDS OF ANATOMY 9 1. Gross (macroscopic) Anatomy: 2- Surface Anatomy: 3- Histology (microscopic Anatomy): 4- Developmental Anatomy (Embryology): 5- Comparative Anatomy: 6- Applied Anatomy: 7- Radiological Anatomy: LEVEL OF ORGANIZATION OF HUMAN BODY Approaches to study Anatomy System approach: Regional approach: ANATOMICAL POSITION  Anatomical Position: 1. ………….. 2. …………... 3. ………….. 4. ………….. OTHER BODY POSITIONS 1. Supine position: OTHER BODY POSITIONS 2. Prone position: OTHER BODY POSITIONS 3. Lithotomy position: ANATOMICAL PLANES ANATOMICAL TERMS OF RELATIVE POSITION 1. Anterior (ventral): 2. Posterior (dorsal): 3. Superior (cranial): 4. Inferior (caudal): 5. Central: 6. Peripheral: ANATOMICAL TERMS OF RELATIVE POSITION 7. Medial: 8. Lateral: 9. Ipsilateral: 10. Contralateral: ANATOMICAL TERMS OF THE LIMBS 1. Proximal: 2. Distal: 3. Preaxial border: 4. Postaxial border: 5. Flexor surface: 6. Extensor surface: ANATOMICAL TERMS OF SOLID ORGANS 1. Superficial (external): 2. Deep (internal): ANATOMICAL TERMS DESCRIBING MOVEMENTS 1. Flexion: 2. Extension: ANATOMICAL TERMS DESCRIBING MOVEMENTS 3. Abduction: 4. Adduction ANATOMICAL TERMS DESCRIBING MOVEMENTS 5. Medial rotation: 6. Lateral rotation: 7. Circumduction: ANATOMICAL TERMS DESCRIBING MOVEMENTS 8. Elevation: 9. Depression: ANATOMICAL TERMS DESCRIBING MOVEMENTS 10. Protrusion: 11. Retraction: ANATOMICAL TERMS DESCRIBING MOVEMENTS 12. Pronation: 13. Supination: ANATOMICAL TERMS DESCRIBING MOVEMENTS 14. Dorsiflexion: 15. Planter flexion: 16. Inversion of foot: 17. Eversion of foot: ANATOMICAL TERMS DESCRIBING MOVEMENTS 18. Opposition: 19. Reposition: REFERENCES  Clinical Anatomy by Systems, 8th Edition, Richard S. Snell. B.D. Chaurasia’s General anatomy. D.r:Khalid Ayman Elmorshedy INTENDED LEARNING OUTCOMES At the end of the lecture, the students should be able to:  Enumerate the functions of bone  Classify bones according to shape, structure & development  Enumerate the bones of axial and their functions BONE  Definition of bone: FUNCTIONS OF BONE 1. Support: 2. Protection: 3. Levers: 4. Mineral Storage: 5. Blood Cell Formation (Hematopoiesis): 6. Body weight transmission: 7. Joint formation: HUMAN SKELETON It consists of 206 bones. It can be studied in 2 parts: A- Exoskeleton: B- Endoskelton: 1- Axial skeleton 2- Appendicular skeleton 1- AXIAL SKELETON It consists of 80 bones Consists of the following bones: 2- APPENDICULAR SKELETON Consists of the (126): Upper Extremity (64) Lower Extremity (62) CLASSIFICATIONS OF BONES 1- According to the microscopic structure: CLASSIFICATIONS OF BONES 2- According to development (bone formation) (ossification): 1. Membranous 2. Cartilagenous CLASSIFICATIONS OF BONES 3- According to the shape of bones :  Long bones  Short bones  Flat bones  Irregular bones  Sesamoid bones  Pneumatic bones CLASSIFICATIONS OF BONES  According to bone marrow:  Red.  Yellow. Gross Anatomy of Long Bone (structure of long bones) Don’t forget: 1. Diaphysis 2. Epiphysis 3. Periosteum 4. Medullary cavity 5. Articular cartilage MAJOR BONES OF SKELETON SKULL It is made up of 22 bones and 6 ear ossicles: Paired bones Unpaired bones Enumerate them Enumerate them Bones of middle ear cavity Enumerate them VERTEBRAL COLUMN It is made up of 33 vertebrae, namely, 7 cervical, 12 thoracic, 5 lumbar, 5 sacral and 4 coccygeal vertebrae. THORACIC CAGE It consists of 12 thoracic vertebrae, 12 pairs of ribs with their costal cartilages, sternum and xiphoid process. TYPICAL THORACIC VEREBRA REFERENCES  Clinical Anatomy by Systems, 8th Edition, Richard S. Snell.  B.D. Chaurasia’s General anatomy.

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