leaf callus

См. также в других словарях:

• callus — [kal′əs] n. pl. calluses [L, var. of callum, hard skin] 1. a hardened, thickened place on the skin 2. the hard substance that forms at the break in a fractured bone and serves to reunite the parts 3. a disorganized mass of cells that develops… …   English World dictionary

• horticulture — horticultural, adj. horticulturist, n. /hawr ti kul cheuhr/, n. 1. the cultivation of a garden, orchard, or nursery; the cultivation of flowers, fruits, vegetables, or ornamental plants. 2. the science and art of cultivating such plants. [1670… …   Universalium

• Poaceae — ▪ plant family Introduction formerly called  Gramineae        grass family of monocotyledonous flowering plants, a division of the order Poales. The Poaceae are the world s single most important source of food. They rank among the top five… …   Universalium

• Plant hormone — Plant hormones (also known as phytohormones) are chemicals that regulate plant growth. Plant hormones are signal molecules produced within the plant, and occur in extremely low concentrations. Hormones regulate cellular processes in targeted… …   Wikipedia

• Bifrenaria — tyrianthina Scientific classification Kingdom: Plantae …   Wikipedia

• Foxtail (diaspore) — Foxtails are spikelets or spikelet clusters of grasses (some of which are themselves called foxtails) that can become a health hazard for long haired dogs and other domestic animals, and a nuisance for people. Foxtails are also called speargrass …   Wikipedia

• Glossary of botanical terms — Many of the terms used in Wikipedia glossaries (often most) are already defined and explained within Wikipedia itself. However, lists like the following indicate where new articles need to be written and are also useful for looking up and… …   Wikipedia

• skeleton — skeletonless, adj. skeletonlike, adj. /skel i tn/, n. 1. Anat., Zool. the bones of a human or an animal considered as a whole, together forming the framework of the body. 2. any of various structures forming a rigid framework in an invertebrate.… …   Universalium

• Somatische Embryogenese — Die somatische Embryogenese ist eine biotechnologische Methode, bei der die Bildung eines pflanzlichen Embryos auf asexuelle Weise ausgehend von einer somatischen Zelle erfolgt. Dies steht im Gegensatz zur normalen zygotischen Embryogenese, die… …   Deutsch Wikipedia

• Chimera (plant) — Chimeras (or chimaeras) in botany are usually single organisms composed of two genetically different types of tissue. They occur in plants, on the same general basis as with animal chimeras. However, unlike animal chimeras, both types of tissues… …   Wikipedia

• Aloe vera — plant with flower detail …   Wikipedia