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OSTEOLOGY

OSTEOLOGY. YENI DHAMAYANTI. GENERAL OBJECTIVES :. The students understands about structure and position of the bones which formed the limbs and they articulations. Specific Objectives :. The Students are know about : Structure, location and content of bones of the thoracic appendage

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OSTEOLOGY

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  1. OSTEOLOGY YENI DHAMAYANTI

  2. GENERAL OBJECTIVES : The students understands about structure and position of the bones which formed the limbs and they articulations

  3. Specific Objectives : The Students are know about : • Structure, location and content of bones of the thoracic appendage • Structure, location and content of bones of the pelvic limb • Articulation at the thoracic and pelvic limb

  4. The Skeleton may be divided primarily into three parts : • THE AXIAL SKELETON; comprises the vertebral column, ribs, sternum and skull. • THE APPENDICULAR SKELETON; incudes the bones of the limbs. • THE VISCERAL or SPLECHNIC SKELETON; consits of certain bones developed in the substance of some of the viscera or soft organs, e.g. os penis of the dog and os cordis of the ox

  5. OSSA APPENDICULARIS • BONES OF THE THORACIC LIMB = OSSA MEMBRI THORACICI (EXTREMITAS CRANIALIS) • BONES OF THE PELVIC LIMB = OSSA MEMBRI PELVINA (EXTREMITAS CAUDALIS)

  6. BONES OF THE THORACIC LIMB

  7. The thoracic limb of animals are composed of four chief segments : THE THORACIC GIRDLE REGIO CINGULUM MEMBRI THORACICI OS. CLAVICULA OS. SCAPULA OS. CORACOIDEUS

  8. The thoracic girdle attaches the forelimb to the body and is incomplete in domestic mamals. A complete pectoral girdle consists a scapula, coracoids and clavicles Climbing and burrowing mamals usually posess a scapula and clavicle, coursing and grazing mamals usually posess a scapula only. All three pairs of bones of the thoracic girdle are seen in birds and reptiles.

  9. THE ARM REGIO BRACHII OS HUMERUS

  10. THE FOREARM REGIO ANTEBRACHII OS RADIUS OS ULNA

  11. THE MANUS REGIO MANUS OSSA CARPI OSSA PHALANX OS METACARPI OSSA SESSAMOIDEA

  12. OS SCAPULA (facies lateralis) SPINA SCAPULA FOSSA SUPRASPINATA TUBER SPINA FOSSA INFRASPINATA COLLUM SCAPULA THE HORSE

  13. CARTILAGO SCAPULA ANGULUS CRANIALIS ANGULUS CAUDALIS ANGULUS GLENOIDALES

  14. DISTAL OS SCAPULA TUBERCULUM SUPRAGLENOIDEUS PROCESSUS CORACOIDEUS INCISSURA GLENOIDALES CAVITAS GLENOIDALES

  15. OS HUMERUS • EXTREMITAS PROXIMALIS • CORPUS • EXTREMITAS DISTALIS

  16. EXTREMITAS PROXIMAL HUMERUS (DORSAL VIEW) TUBERCULUM MINOR TUBERCULUM MAJOR TUBERCULUM INTERMEDIUS CAPUT HUMERI

  17. The comparative of the proximal extremity of the horse and the cattle

  18. Proximal Extremity Ruminant • Lateral tuberosity is very large, and rises abour 3 cm proximal to the level of the head, forming the point of the shoulder. • Its cranial part curves medially over the intertuberal groove, and distal to it laterally there is a prominent circular rough area for the insertion of the tendon of the infraspinatus muscle.

  19. CORPUS HUMERI (horse) TUBEROSITAS DELTOIDEUS SULCUS BRACHIALIS

  20. CORPUS HUMERI KUDA TUBEROSITAS TERES MAJOR

  21. EXTREMITAS CAUDALIS OS HUMERUS FOSSA OLECRANON TROCHLEA CAPITULUM

  22. EXTREMITAS CAUDALIS OS HUMERUS EPICONDYLUS MEDIALIS CRISTA EPICONDYLOIDEA LATERALIS EPICONDYLUS LATERALIS P.T.O. EXTENSOR

  23. EXTREMITAS CAUDALIS OS HUMERUS KUDA FOSSA OLECRANON FOSSA RADIALIS

  24. VARIASI CONDYLUS HUMERUS KUDA & SAPI T T C C

  25. OS RADIUS & OS ULNA OS ULNA OS RADIUS

  26. OS RADIUS FOVEA CAPITULARIS CORPUS OS RADIUS TROCHLEA RADIALIS

  27. OS ULNA KUDA OLECRANON PROC. ANCONEUS SPATIUM INTEROSSEUM ANTEBRACHII INCISURA SEMILUNARIS

  28. OS ULNA SAPI SPATIUM INTEROSSEUS ANTEBRACHII

  29. OS ULNA SAPI PROCESSUS STYLOIDEUS LATERALIS

  30. OSSA CARPALES • The capus consists of a group of six to eight bones, depending on the species of animal. • The bones arranged in two rows, proximal and distal.

  31. OSSA CARPALES

  32. The accessory carpal bone is situated to palmar to the ulnar carpal bone and the lateral part of the trochlea of the radius. It is discoid and the medial surface is form the lateral wall of the carpal groove (canalis carpalis).

  33. OSSA METACARPAL FACIES ARTICULARIS IV III CORPUS MC II TROCHLEA MC

  34. OSSA METACARPAL V SLV SLD III IV INCISSURA INTERTROCHLEARIS

  35. OSSA DIGITORUM MANUS COMPEDALE CORONALE UNGULARE

  36. OSSA DIGITORUM MANUS OSSA SESAMOIDEA PROXIMALIS OSSA SESAMOIDEA DISTALIS

  37. THANK YOU FOR YOUR ATTENTION

  38. FORAMEN SUPRATROCHLEARIS at the dog

  39. TUBEROSITAS TERES MAJOR Middle of the medial surface of the shaft is a small roughened, which the conjoined tendon of the latissimus dorsi and teres major muscles is atteched.

  40. SULCUS BRACHIALIS • = SULCUS MUSCULOSPIRALIS • The lateral surface is smooth and is spirally curved, which contains the brachialis muscles. • RUMINANSIA, KARNIVORA and PIG is shallow.

  41. TUBEROSITAS DELTOIDEUS Cranial surface and lateral surface are separated by a distinct border, the crest of the humerus, which bears proximal to its middle the deltoid tuberosity, to which the deltoideus muscle inserts.

  42. CAPUT HUMERI The head presents an almost circular convex articular surface, which is about twice as extensive as the glenoid cavity of the scapula, with which it articulates and IT IS POSITION AT THE CAUDALof the proximal extremity.

  43. TUBERCULUM HUMERI • The greater tubercle = tuberculum major (lateral tuberosity) is placed craniolaterally • The lesser tubercle = tuberculum minor (medial tuberosity) is placed craniomedially • The intertuberal or bicipital groove is bounded by the cranial parts of both tubercles, and is subdivided by and intermediate tubercle or ridge.

  44. TUBERCULUM INTERMEDIUS • The third tubercle at median • Look clearly at horse, but we can see clear at ruminantia, carnivora and pig • This tubercle divided from major et minor by the groove, SULCUS BICIPITIS or SULCUS INTERTUBELARIS • The groove, in fresh, lodges the tendon of origin of the biceps brachii muscle.

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