IS THE STUDY OF TISSUES AND CELLS UNDER THE MICROSCOPE

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HISTOS

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LOGIA

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CELLS ARE CAPABLE OF CELL DIVISION

* REGION WHERE CELL DIVISION IN PLANTS OCCUR

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MATURE CELLS ARE INCAPABLE OF CELL DIVISION

* NON DIVIDING TISSUES

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TISSUE COMPOSED OF A SINGLE CELL TYPE

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TISSUE COMPOUND MORE THAN ONE CELL TYPE

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*WHERE TISSUES ORIGINATE

* REGIONS WHERE CELL DIVISION PRODUCE PLANT GROWTH

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* LENGTHEN STEM AND ROOTS

*" " SHOOTS AND ROOTS (SAM & RAM)

* RESPONSIBLE FOR PRIMARY GROWTH

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* INCREASE WIDTH OF STEMS

* RESPONSIBLE FOR SECONDARY GROWTH

* INCREASE GIRTH OF OLDER ROOTS AND STEMS

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* FOR STEM ELONGATION

* RESPONSIBLE FOR THE REGROWTH OF A PLANT

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IT PROTECTS THE SOFT TISSUES OF PLANTS AND CONTROLS INTERACTIONS WITH THE PLANTS SURROUNDING

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IT IS A LAYER OF CELL THAT MAKES UP MAKING UP AN OUTER CASING OF ALL THE STRUCTURES IN THE PLANT

*IT SECRETES A WAX LAYER CALLED THE CUTICLE THAT INHIBITS WATER LOSS

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THESE TISSUES ARE INVOLVED IN PHOTOSYNTHESIS,STORAGE,REGENARTION, SUPPORT AND PROTECTION

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- CELLS ARE ALIVE AT MATURITY

- HAVE THIN WALLS AND LARGE VACUOLES AND ARE MOST ABUNDANT OF ALL CELLS

- INTERCELLULAR SPACE IS FOUND

- FUNCTION IN STORAGE,PHOTOSYNTHESIS,EXCHANGE OF GASSES AND AS THE BULK OF GROUND AND VASCULAR TISSUE

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- SPECIALIZED FOR SUPPORT FOR PRIMARY TISSUES

- CELLS ARE ELONGATED WITH WALLS

- NO INTERCELLULAR SPACE

- CELLS ARE ALIVE AT MATURITY

- TO PROVIDE SUPPORT FOR GROWING TISSUES LIKE STEM

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-SUPPORT MATURE PLANTS

- PROTECT MANY SEEDS

- CELLS HAVE THICKENED LIGNIFIED WALLS AND ARE DEAD AT MATURITY

- TO PROVIDE SUPPORT FOR THE PLANT

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- LONG TAPERED CELLS

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STUBBIER CELLS

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- COMPOSED OF XYLEM AND PHLOEM

- TRANSPORT MATERIALS BETWEEN THE ROOT AND SHOOT OF THE PLANT

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- CONDUCTS WATER AND DISSOLVED MINERALS

- CONDUCTING CELLS ARE DEAD AND HOLLOW AT MATURITY

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- TRANSPORT SUGAR

- MAIN CONDUCTING CELLS ARE WITH SIEVE-TUBE

- COMPANION CELLS ASSIST IN THE LOADING OF SUGARS

(COMPLEX VASCULAR TISSUE)

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EXTERNAL PROTECTIVE TISSUE WHICH SUBSTITUTE THE EPIDERMAL CELLS IN MATURE STEMS AND ROOTS

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HELP IN LOSS OF WATER AND GASEOUS EXCHANGE

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