Raiz botanica pablo acosta
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UNIVERSIDAD AUTÓNOMA DE CHIRIQUÍ
FACULTAD DE CIENCIAS NATURALES Y EXACTAS
ESCUELA DE BIOLOGÍA
CURSO DE BOTANICA GENERAL
RAÍZ - BOTÁNICA
PROF. PABLO ANTONIO ACOSTA
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RAIZ – ESTRUCTURA RAIZ – ESTRUCTURA PRIMARIA Y PRIMARIA Y
SECUNDÁRIASECUNDÁRIA
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Clase Liliopsida
Clase Magnoliopsida
División Magnoliopsida
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Raíz de Liliopsida
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Parénquima
Exodermis
Epidermis
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Floema
Xilema
Periciclo
Vaso xilemático
Pared engrosada
Endodermis
Parénquima cortical
P. medular
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Raíz de Magnoliopsida
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Exodermis
Amiloplastos
Epidermis o Rizodermis
Parénquima cortical
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P. cortical
Endodermis
Floema
Xilema
Procambium
Periciclo
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Raíz Acuática
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Epidermis o rizodermis
Parénquima
Aerénquima
Cámara de aire
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Xilema
Floema
Endodermis
Periciclo
Parénquima
Raíz
secundaria
Aerénquima
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Raíz Aérea
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Origen de raíz secundaria
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Raíz
secundaria
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RAIZ – ESTRUCTURA RAIZ – ESTRUCTURA PRIMÁRIA Y PRIMÁRIA Y
SECUNDÁRIASECUNDÁRIA
EPIDERMISEPIDERMIS
TEJIDOS TEJIDOS VASCULARESVASCULARES
SISTEMAS SISTEMAS DE TEJIDOSDE TEJIDOS
CORTEZACORTEZA
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COFIACOFIA
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COFIA – ESTRUCTURACOFIA – ESTRUCTURA
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FUNCIÓN DE LA COFIAFUNCIÓN DE LA COFIAPROTECCIÓNPROTECCIÓN
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EPIDERMIS DE LA RAIZEPIDERMIS DE LA RAIZ
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VELAMENVELAMEN
PAREDES PAREDES ESTRIADASESTRIADAS
EXODERMISEXODERMIS
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EPIDERMIS MÚLTIPLEEPIDERMIS MÚLTIPLE
EXODERMIEXODERMISS
RIZODERMIRIZODERMISS
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VELAMENVELAMEN
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EXODERMEEXODERME
C/ ESTRIAS DE C/ ESTRIAS DE CASPARYCASPARY
C/ CÉLULAS DE C/ CÉLULAS DE PASSAGEMPASSAGEM
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CORTEZACORTEZA
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ESTRUCTURAESTRUCTURA
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ENDODERMIENDODERMISS
ENDODERMISENDODERMIS
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BANDA DE BANDA DE CASPARYCASPARY
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PASO DE AGUAPASO DE AGUA
ATRAVÉS ATRAVÉS DA DA
ENDODERMENDODERME: E:
SIMPLASTOSIMPLASTO
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ESTRUCTURAESTRUCTURA
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ENGROSAMIENTOS EN ENGROSAMIENTOS EN FORMA “U”FORMA “U”
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BANDA DE CASPARY, BANDA DE CASPARY, ENGROSAMIENTOS DE ENGROSAMIENTOS DE
LIGNINA Y SUBERINALIGNINA Y SUBERINA
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CILINDRO VASCULARCILINDRO VASCULAR
DICOTILEDÔNEADICOTILEDÔNEASS
MONOCOTILEDÔNEAMONOCOTILEDÔNEASS
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DIFERENCIACIÓNDIFERENCIACIÓN
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XILEMA XILEMA TETRARCOTETRARCO
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PERICICLOPERICICLO• PRIMERA HILERA PRIMERA HILERA DE CÉLULAS DEL DE CÉLULAS DEL CILINDRO VASCULARCILINDRO VASCULAR
• NORMALMENTE NORMALMENTE MONOSSERIADOMONOSSERIADO
• RESPONSIBLE DE RESPONSIBLE DE EL CRECIMIENTO DE EL CRECIMIENTO DE RAÍCES RAÍCES SECUNDARIASSECUNDARIAS
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RAÍCESRAÍCESLATERALESLATERALES
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CLASIFICACIÓN DE CLASIFICACIÓN DE RAÍCES– TIPO DE RAÍCES– TIPO DE
CILINDRO VASCULARCILINDRO VASCULAR
DIARCADIARCA TRIARCATRIARCA
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TETRARCATETRARCA
PENTARCAPENTARCA
TIPOS DE RAÍCESTIPOS DE RAÍCES
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POLIARCAPOLIARCA
TIPOS DE RAÍCESTIPOS DE RAÍCES
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ESTRUTURA ESTRUTURA SECUNDÁRIASECUNDÁRIA
PROCAMBIUMPROCAMBIUM
PERICICLOPERICICLO
FORMACIÓN FORMACIÓN DEL DEL
CAMBIUM CAMBIUM VASCULARVASCULAR
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ESTRUCTURA ESTRUCTURA SECUNDÁRIASECUNDÁRIA
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ESTRUCTURA ESTRUCTURA SECUNDÁRIA TÍPICASECUNDÁRIA TÍPICA
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RAÍCES ADVENTICIASRAÍCES ADVENTICIAS
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