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Anticlinal division
Periclinal division
middle lamella
In plants, a thin layer of adhesive extracellular material, primarily pectins, found between the primary walls of adjacent young cells.
dermal tissue
הרקמה החיצונית של הצמח
Ground tissue
רקמת היסוד (רקמת המילוי)
•Tissues that are neither dermal nor vascular are the ground tissue system
•Ground tissue internal to the vascular tissue is pith;ground tissue external to the vascular tissue is cortex
• Ground tissue includes cells specialized for storage, photosynthesis, support, and transport
COLENCHYMA
A flexible plant cell type that occurs in strands or cylinders that support young parts of the plant without restraining growth.
PARANCHYMA
A relatively unspecialized plant cell type that carries out most of the metabolism, synthesizes and stores organic products, and develops into a more differentiated cell type.
Sclerenchyma cells
part of the ground tissue. a rigid,supportive plant cell type usually lacking aprotoplast (which means he dead) and possessing thick secondary walls strengthened by lignin at maturity.
protoplast
The living part of a plant cell, which also includes the plasma membrane. plant = protoplast + cell wall
sieve-tube element
A living cell that conducts sugars and other organic nutrients in the phloem of angiosperms; also called a sievetubemember. Connected end to end, they form sieve tubes. no nuclei.
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