biologia de peces, esqueleto
TRANSCRIPT
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Biología de peces
Sistema esquelético
Dr Vicente Anislado Tolentino
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Tiburón Perca
Lamprea
Tiburón
Celacanto
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Agnatha
neurocráneo
cartílago oral
dientescórneos canasta branquial
(no es parte del cráneo)
columna vertebral
caudal dificerca
aletas medias con radios cartilaginosos
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ChondrichthyesCondrocráneo
neurocráneo braquicráneo
C. de Meckel
C. palatocuadrado
arcosbranquiales
esqueleto apendicular
vista lateral
Vista dorsal
cráneo
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Chondrichthyes
vértebratorácica
vértebra caudal
canal neural
procesos transversos
canal hemal
Tipos de vértebras
Aleta caudal
lóbulosuperior
lóbuloinferior
radioscartilaginosos
columna vertebral
Carcharhinidae
DalatiidaeCarcharodon
Alopiidae
Lamna
Gynglimostomatidae
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Chondrichthyes
Aletas dorsales y anal
cartílago basal
radioscartilaginosos
columna vertebral
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Chondrichthyes
cartílagocoracoescapular
c. radiales
radios cartilaginosos
metapterigiomesopterigio
protopterigio
Cintura escapular (a. pectorales)
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Chondrichthyes
Cintura pélvica (a. pelvicas)
radioscartilaginosos
barra isquiopúbica
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Sarcopterygii
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Sarcopterygii
Aleta pectoral
Latimeria Porolepiforme
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Actinopterygii
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Anfistilica Metahiostilica Hiostilica
HolostilicaAutostilica
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Actinopterygii: Cráneo de atún perro Gymnosarda unicolor
vista lateralvista lateralneurocráneo
vista dorsalneurocráneo vista ventral
neurocráneo
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Huesos laterales y suspensión mandibular de Characidae
Principales tipos de suspensiónmandibular en los peces
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Pterigióforos
Pterigióforos
radios
ALETA(S) DORSAL(ES)
ALETA ANAL
VÉRTEBRAS: TRONCAL
ÚLTIMA TRONCALCAUDAL
Actinopterygii
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Lepisosteiformes
Actinopterygii
Polypteriformes (bichirs)
Acipenseriformes
Amiiformes
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ActinopterygiiÚltimas vértebras y complejo caudal
Characidae
Scomberomorus semifasciatus
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ActinopterygiiEsqueleto apendicular
Cintura pélvica
Cintura escapular
Espina pélvica
BasipterigiosRadios
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