Anatomía veterinaria =)
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ANATOMIA VETERINARIA I
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TOPOGRAFÍA , OSTEOLOGÍA Y ARTROLOGÍA DE CABEZA
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ESQUELETO CABEZA
HUESOS
ARTICULACIONES
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CRANEO
Formado por una gran cantidad de hueso generalmente en pares
Forma un sistema de cavidades que encierra el cerebro, el sentido de la visión, oído, equilibrio y gusto
Las superficies óseas sirven de orígen o inserción de músculos
El cráneo cobija al oído interno , sistema nervioso central, la parte inicial del sistema respiratorio y digestivo
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Cráneo
Neurocraneo: (porción craneal) cápsula ósea proteje y aloja al cerebro y a los órganos de los sentidos
Esplacno cráneo: (porción facial) Forma el esqueleto de la cara
La orbita es la zona de unión de ambos segmentos
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CABEZA- TOPOGRAFIA
Región
facial
Región
craneana
Ismael Concha A
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TOPOGRAFÍA DE LA CABEZA
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TOPOGRAFÍA DE LA CABEZA
CRESTA SAGITAL EXTERNA
ARCO CIGOMÁTICO
PROCESO CIGOMÁTICO DEL HUESO FRONTAL
MARGENES ORBITARIOS
AGUJERO INFRAORBITARIO
CUERPO MANDIBULAR
ABERTURA NASAL OSEA ROSTRAL
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DINTINTOS TIPOS DE CRANEO
1
2 3
6
87
54
10
9
11
1.-Gran Danes2.-Chiguagua3.-Yorkshire Terrier4.-Boxer5.-Bulldog6.-Basset Hound7.-Rough Collie8.-Doberman Pinscher9.-Pekines10.-Sealyham Terrier11.-Dascshund
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INDICE CRANEALRelación entra la longitud y la anchura total del cráneo
E largo del cráneo se mide desdeLa protuberancia occipital externahasta La parte mas oral del cráneo
La anchura se mide entre los vértices del arco cigomáticoIC calculados
Dolicocefalos: 50 mesocefálos: 90 braquicéfalos: 70
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INDICE CRANEO FACIAL
Relación entre la longitud del cráneo y la longitud de la cara
La longitud del cráneo se mide hasta sutura frontonasal y entre esta y la escotaduraNasal la longitud de la cara
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TEGUMENTO
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TEGUMENTO
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VISTA DORSAL HUESOS DEL CRANEO PORCIÓN CRANEANA
1.- Hueso Occipital2.- Hueso intraparietal3.- Hueso parietalc.- Sutura interparietal o sagital5.- Hueso frontal13.- Sutura coronalFosa frontala.- Protuberancia occipital externab.- Cresta nucal12.- Cresta sagital externaLíneas temporales14.- Crestas frontales17.- Proceso supraorbitario
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HUESOS DE LA CABEZA VISTA DORSAL
Proción cranel A y B
Porción facial B y C
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HUESO OCCIPITAL
PORCION BACILAR
PORCIONES LATERALES
PORCION ESCAMOSA
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AGUJERO MAGNO
PROTUBERANCIA OCCIPITAL EXTERNA
CRESTA OCCIPITAL EXTERNA
CONDILO OCCIPITAL
PROCESO YUGULAR
FOSA PARACONDILAR
CANAL DEL N. HIPOGLOSO
FORAMEN YUGULAR
TUBERCULOS MUSCULARES
TBERCULO FARINGEO
TENTORIO CEREBELAR OSEO
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ARTICULACIÓN ESFENOCCIPITAL(SINCONDROSIS)
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SUTURA INTERPARIETAL
CRESTA SAGITAL EXTERNA
HUESO PARIETAL
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H. INTERPARIETAL
LINEAS NUCALES
HUESO PARIETAL
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HUESO PARIETAL
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HUESO FRONTAL
SUTURA INTERFRONTAL
PROCESO CIGOMÁTICO
LINEAS TEMPORALES
ARCO SUPERCILIAR
• Escama frontal• Parte nasal• Parte orbitaria• Cara temporal
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HUESO FRONTAL
Sutura interfrontal
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Agujeros etmoidales
Agujero óptico
Fisura orbitaria
Agujero alar rostralAgujero alar caudal
Agujero redondo
Canal alar
HUESO FRONTAL
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SENO FRONTAL
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HUESO ESFENOIDES
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BASIESFENOIDES Y PREESFENOIDES
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HUESO ESFENOIDES
BASIESFENOIDES:CUERPO
ALAS
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AGUJERO OVAL
AGUJERO REDONDOFISURA ORBITARIA
AGUJERO OPTICO
SURCO QUIASMATICO
SILLA TURCA
SURCO CAROTIDEO
El nervio trigemino se divide en tres ramas:Nerviooftalmico: sale por la fisura orbitariaNervio orbital: agujero redondoNervio mandibular: Atraviesa el agujero redondo
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FOSA HIPOFISIARIA
DORSO SELAR
PROCESOS CLINOIDEOS CAUDALES
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BASIESFENOIDES Y PREESFENOIDES
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ETMOIDES
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LAMINA PERPENDICULAR DEL ETMOIDES
CONCHAS ETMOIDALES
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HUESO VOMER
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TEMPORAL• Parte escamosa• Parte petrosa• Parte timpánica
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VERTICE PORCIÓN PETROSA
ABERTURA DEL CANAL CAROTIDEO
CANAL PARA EL NERVIO TRIGÉMINO
MEATO ACUSTICO INTERNO
AGUJERO YUGULAR
FOSA CEREBELAR
TEMPORAL
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VISTA DORSAL HUESOS DEL CRANEO PORCIÓN FACIAL
5.- Hueso frontal9.- Hueso nasala.- Naslonb.- Sutura frontonasal8.- Hueso maxilar10.- Hueso premaxilarc.- Apófisis nasal23.- Canal incisivo6.- Hueso malarLos hueso nasal y premaxilar limitan la aberturaNasal ósea
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VISTA LATERAL HUESOS DEL CRANEO
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CARA LATERAL PORCION CRANEANA
19.- Cresta nucal18.- Cresta orbitotemporal29.- Proceso coronoideo20.- Cresta temporalHUESO TEMPORALa.-Porción escamosa26.-Porción timpánica
b.- Porción petrosa12.-Proceso cigomático del temporal11-12 Arco cigomático26.- Bula timpánica23.- meato acústico externo22.- Proceso yugular
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CARA LATERAL PORCION FACIAL
1.- Fosa orbitaria: contiene globo ocular y accesorios2.- Fosa pterigopalatina :contiene al nervio maxilar y porción terminar de la arteria maxilar3.- Cresta orbital ventral: separa ambas orbitas
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6
1.- Frontal2.- Lagrimal3.-Palatino lamina perpendicular4.- Alas del esfenoides5.- Hueso pterigoides6.- Hámulo pterigoideo
FORÁMENESa.- Foramen Ópticob.- Fisura orbitariac.-Foramen alar alar orald.- Foramen etmoidal
CARA LATERAL PORCION FACIAL
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CARA LATERAL PORCION FACIAL
15.- Maxilar16.- foramen infraorbitarioa.- Premaxilar
11.- Cigomático o malarb.- Yuga alveolar, elevación producida porLos dientes
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AGUJERO LAGRIMAL
AGUJERO MAXILAR
AGUJERO ESFENOPALATINO
AGUJERO PALATINO CAUDAL
AGUJEROS ALVEOLARES
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CARA VENTRAL DEL CRANEO PORCIÓN CRANEANA
1. Cóndilo occipital2. Foramen magno3. Fosa condilea5. Canal nervio hipogloso6. Proceso yugular7. Fisura tímpano Occipital8. Basioccipital9. Foramen estilomastoideo10. Poro acústico externo11. Bula timpánica13. Abertura al canal temporal14. Foramen carotideo externo15. Proceso muscular
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16. Foramen oval17. Foramen alar caudal18. Foramen alar oral19.- Fisura orbitaria20.- Foramen óptico21.- Proceso retroarticular22.- Fosa mandibular23-24.- Cuerpo esfenoides23.- Basiesfenoides24.- Preesfenoides25.- Hueso Pterogoideo26.- Lámina perpendicular del palatino28-29.- Arco cigomático37.- Coanasa.- hueso Vómer
CARA VENTRAL DEL CRANEO PORCIÓN CRANEANA
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CARA VENTRAL PROCION FACIAL
27.- Porción horizontal del palatinoa.- Proceso palatino del maxilar33.-Proceso palatino del premaxilar30.- palatino mayor31.-Surco palatino32.-Fisura palatinaI.-Dientes incisivosC.-Dientes caninosP.-Dientes premolaresM.-Dientes molaresSutura palatina
media
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HUESOS DE LA CABEZA VISTA LATERAL
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HUESO FRONTAL
Sutura interfrontal
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HUESO PALATINO
LAMINA HORIZONTAL
LAMINA PERPENDICULAR
AGUJERO PALATINO MENOR
COANAS
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Fisuras palatinas
Agujero y canal incisivo
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vomer
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MANDIBULA
CUERPO
RAMA MANDIBULAR
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FOSA MASETÉRICA
PROCESO CORONOIDEO
CONDILO MANDIBULAR
PROCESO ANGULA
CUELLO MANDIBULAR
INCISURA MANDIBULAR
AGUJEROS MENTONIANOS
VISTA LATERAL
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VISTA MEDIAL
LINEA MILOHIODEA SINFISIS MANDIBULAR
AGUJERO MANDIBULAR
FOSA PTERIGOIDEA
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ARTICULACION TEMPOROMANDIBULAR (ATM)(SINOVIAL CONDILAR)
DISCO ARTICULAR
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CARA VENTRAL DEL CRANEO1.- Premaxilar o incisivo2.-Maxilar3.-Palatino4.- vomer5.-Cigomático6.-Frontal7.-Pterigoides8.-Esfenoides9.-Temporal10.-Occipital
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Paladar duroFosa palatina:MajorMinor
Foramen oval
Canal alar
Bulla TimpánicaFisura timpánicooccipital
Articulación temporomandibular
Tubérculo Muscular
Foramen Hipogloso Foramen Magnun
Meato acústico ext
Coana
Canal basifaringeo
Hamulus pterigoideo
Cóndilo oocipital
Mandíbula:SínfisisCuerpo
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En la porción caudal de la fosa pterigopalatina se abren los siguientes forámenes
Foramen óptico da paso al nervio óptico
La fisura orbitaria para la salida de los nervios:Ramo oftálmico del nervio trigémino (V p.c), oculomotor (III p.c), abducente ,(VI p.c), Troclear( IV p.c)
El foramen alar oral es la abertura del canal alar en el que se abre el foramen redondo para la salida de la rama maxilar del n.trigémino (V p.c)
Los forámenes etmoidales para el nervio y vasos etmoidales
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Enl a porción oral de la fosa pterogopalatina se abrenlos siguienbtes foramenes
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CONSIDERACIONES CLINICAS
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CONSIDERACIONES CLINICAS
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CONSIDERACIONES CLINICAS
ENFERMEDAD DE LA MANDIBULA DE GOMA
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Timpanohioides
Estilohioides
Epihioides
Queratohioides
Basihioides
Tirohioides