shoot meristem

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• 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

• meristem culture — noun The aseptic culture on a suitable medium of excised shoot apical meristems (also shoot tip culture) • • • Main Entry: ↑meristem …   Useful english dictionary

• meristem — /mer euh stem /, n. Bot. embryonic tissue in plants; undifferentiated, growing, actively dividing cells. [1870 75; < Gk merist(ós) divided, distributed (equiv. to *merid , s. of merízein to divide into parts (deriv. of méris part, share) + tos v …   Universalium

• shoot-tip graft — A shoot tip or meristem tip grafted onto a prepared seedling or micropropagated rootstock in culture. Meristem tip grafting is mainly used for in vitro virus elimination from Citrus spp. and other plants. Synonym: micrograft …   Glossary of Biotechnology

• meristem tip culture — Cultures derived from meristem tip explants. Used widely to achieve virus elimination and axillary shoot proliferation, less commonly for callus production …   Glossary of Biotechnology

• shoot tip — The terminal bud (0.1 1.0 mm) of a plant, which consists of the apical meristem (0.05 0.1 mm) and the immediately surrounding leaf primordia and developing leaves, and adjacent stem tissue. Synonym: shoot apex …   Glossary of Biotechnology

• apical meristem — meristem at the apex of a root or shoot. * * * …   Universalium

• primary meristem — Meristem of the shoot or root tip giving rise to the primary plant body …   Glossary of Biotechnology

• apical meristem — noun : a meristem located at the apex of a root or shoot and responsible for increase in length of the organ compare intercalary meristem, lateral meristem * * * meristem at the apex of a root or shoot. * * * apical meristem noun (botany) A group …   Useful english dictionary

• apical meristem — noun Date: circa 1934 a meristem at the apex of a root or shoot that is responsible for increase in length …   New Collegiate Dictionary

• apical meristem — A region of the tip of each shoot and root of a plant in which cell division is continually occurring to produce new stem and root tissue, respectively. Two regions are visible in the apical meristem: An outer 1 4 cell layered region (the tunica) …   Glossary of Biotechnology