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![Page 1: EXTREMITAS CRANIAL-2 - herlina.lecture.ub.ac.idherlina.lecture.ub.ac.id/files/2017/10/OSTEOLOGI-Ext.-Cranial-II.2017.pdf · EXTREMITAS PROXIMAL OS RADIUS Fovea capitularis –dg capitulum](https://reader031.fdocument.pub/reader031/viewer/2022013102/5d276f6588c9935d388cb963/html5/thumbnails/1.jpg)
EXTREMITAS
CRANIAL-2
drh. Herlina Pratiwi, M.Si
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SKELETON APPENDIKULARIS
OSSA MEMBRI THORACICI
• Rangkaian tulang yg menyusun anggota gerak
depan (ext. cranialis)
OSSA MEMBRI PELVINI
• Rangkaian tulang yg menyusun anggota gerak
belakang (ext. caudalis)
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OSSA MEMBRI THORACICI
• Os. Scapula• Os. Clavicula • Os. Coracoideus
Regio Cingulum Membri Thoracici
• Os HumerusRegio Brachii
• Os Radius• Os Ulna
Regio Antebrachii
• Ossa Carpi• Ossa Metacarpi• Ossa Digiti
Regio Manus
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EXTREMITAS CRANIAL-2
Regio Antebrachii◦Os Radius◦Os Ulna
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OS RADIUS
Tulang panjang yang tidak dapat
dipisahkan dari os ulna, kecuali
pada carnivora
Antara os humerus dan os carpi
Membentuk articulatio cubiti (fovea
capitis radii+incisura throclearis
ulna+condylus humeri) dan articulatio
radiocarpalis dg os carpi
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STRUKTUR ANATOMIS
EXTREMITAS PROXIMAL (caput
radii)
CORPUS RADII
EXTREMITAS DISTAL (trochlea radii)
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EXTREMITAS PROXIMAL OS
RADIUS Fovea capitularis – dg capitulum os
humerus sendi siku (articulatio cubiti)
Dorsomedial Tuberositas radialis hanya berupa peninggian kasar di ruminansia
Caudal circumferentia articularis/ radioulnar articulation articulasidengan ulna supinasi pada carnivora,tidak memiliki fungsi pada kuda danruminansia.
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1. Caput
2. Collum3. Tuberositas
radii
Caput Radii
Tuberositas radialis
Fovea capitularis
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CORPUS OS RADIUS
2 facies:
1. Facies cranialis: halus2. Facies caudalis: kasar (pada carnivora
dan babi) atau menyatu dengan ulna 2 margo:1. Margo lateralis
2. Margo medialis: tidak tertutup olehmuskulus, sehingga mudah dipalpasi dibawah kulit
Spatium Interosseus antebrachii(ruminansia=> proximal et distal)
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EXTREMITAS DISTAL OS
RADIUS Trochlea radialis
Malleolus lateral et medial (mata kaki)
Processus Styloideus os radius
penonjolan pada medial extremitas
distal pada carnivora
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Procecus styloideus
lateral
Corpus radii
Caput Radii
Tuberositas radialis
Fovea capitularis
Spatium interosesus
Thochlea radii
Procecus styloideus
medial
Corpus radii
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OS ULNA
Tulang panjang yang terletak pada
caudolateral os radius
Menempel pada os radius
Dibagi menjadi 3:
1. Extremitas Proximal (olecranon)
2. Corpus ulna
3. Extremitas Distal(caput ulna)
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EXT.PROXIMAL OS ULNA
Tuberositas olecranon – M. Triceps Brachii
Processus anconeus – dg fossa olecranon os humerus
Incisura semilunaris/trochlearis – dg trochlea os humerus
Processus coronoideus (pars lateraliset medialis) distal incisura semilnaris, tempat pertemuan dg os radius
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4. Spatium
interosseus
5. Tuberositas
olecranon
6. Processusanconeus
7.Incissura
trochlearis
8. Processus
coronoideus
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CORPUS OS ULNA
Facies cranial, lateral, dan medial
Facies cranial menempel pada os radius Pada KUDA mencapai pertengahan os
radius Pada SAPI lengkap sampai distal
(pada sapi ada spatium interosseus proximal dan distal)
Pada BABI lebih besar dari Os. Radius
Pada ANJING lengkap sampai distal os radius dan terpilin
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Ext. DISTAL (caput ulna)
Pada hewan yang memiliki os ulna
sepanjang os radius, maka:
◦ membentuk processus styloideus os ulna
◦ Ikut membentuk articulatio
antebrachiocarpea
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RADIUS ULNA KUDA
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RADIUS-ULNA SAPI
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RADIUS ULNA BABI
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RADIUS ULNA ANJING
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