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TEJIDOS CONDUCTORES

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TEJIDOS CONDUCTORES

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    1. Proceden del cambium. Clulas alargadas. Transporte de savia. Dos tipos: xilema y Floema Floema 2 empuja hacia fuera al 1 y el xilema 2 hacia al centro al 1 en el tallo TEJIDOS CONDUCTORES

    2. XILEMA LEO Savia bruta. Clulas muertas: trqueas y traqueidas. Trqueas: Angiosp. Anchas y perforadas. Traquidas: Gimnospermas Imperforadas, contnuas

    3. XILEMA LEO

    4. XILEMA LEO

    5. FLOEMA LIBER Savia elaborada. Clulas vivas: clulas y tubos cribosos Tubos cribosos: Angiospermas Clulas cribosas: Gimnosperm Adems posee clulas no vasculares parenquimticas de sostn, almacn y nutricin

    6. FLOEMA LIBER

    7. Elaboran sustancias tiles o de desecho. Pueden ser: Externos: Nectarios: Insectos polinizadores. Hidtodos: Secretan agua por gutacin. Pelos urticantes: Irritantes Internos: Tubos laticferos: 1 sola clula de ltex. Canales resinferos: Cavidades defensivos TEJIDOS SECRETORES

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