meristematic activity

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• plant development — Introduction       a multiphasic process in which two distinct forms succeed each other in alternating generations. One form, created by the union of sexual cells (gametes (gamete)), contains two sets of similar chromosomes (diploid). At sexual… …   Universalium

• angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction       any member of the more than 300,000 species of flowering plants (division Anthophyta) …   Universalium

• Ground tissue — Cross section of a flax plant stem: 1. Pith, 2. Protoxylem, 3. Xylem I, 4. Phloem I, 5. Sclerenchyma (bast fibre), 6. Cortex, 7. Epidermis The types of ground tissue found in plants develop from gro …   Wikipedia

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• Drought rhizogenesis — is an adaptive root response to drought stress. New emerging roots are short, swollen, and hairless, capable of retaining turgor pressure and resistant to prolonged desiccation. Upon rewatering, they are capable of quickly forming an absorbing… …   Wikipedia

• permanent tissue — noun Date: 1875 plant tissue that has completed its growth and differentiation and is usually incapable of meristematic activity …   New Collegiate Dictionary

• permanent tissue — noun : a tissue that has completed its growth and differentiation and is generally incapable of meristematic activity compare meristem …   Useful english dictionary

• Meristem — Tunica Corpus model of the apical meristem (growing tip). The epidermal (L1) and subepidermal (L2) layers form the outer layers called the tunica. The inner L3 layer is called the corpus. Cells in the L1 and L2 layers divide in a sideways fashion …   Wikipedia

• Tissue (biology) — This article is about biological tissue. For other uses, see Tissue. Cross section of sclerenchyma fibers in plant ground tissue …   Wikipedia

• Plant evolutionary developmental biology — For a more ecological discussion on the evolution of plant morphology, refer to Evolutionary history of plants Evolutionary developmental biology (evo devo) refers to the study of developmental programs and patterns from an evolutionary… …   Wikipedia

• growth — /grohth/, n. 1. the act or process, or a manner of growing; development; gradual increase. 2. size or stage of development: It hasn t yet reached its full growth. 3. completed development. 4. development from a simpler to a more complex stage:… …   Universalium