Look up: auxin

1. Auxin
   Auxins are a class of plant hormones (or plant growth substances) with some morphogen-like characteristics. Auxins have a cardinal role in coordination of many growth and behavioral processes in the plant`s life cycle and are essential for plant body development. Auxins and their role in plant grow...
   Found on http://en.wikipedia.org/wiki/Auxin
   
   
2. Auxin
   A hormone that controls plant growth.
   Found on http://www.emilycompost.com/garden_gloss
   
   
3. Auxin
   A plant growth-regulating substance (Indol-3-ylacetic acid) found in plants that stimulates cell elongation in plant tissues.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
4. auxin
   (Green plants as organisms) a plant hormone which triggers growth
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
5. auxin
   [n] - a plant hormone that promotes root formation and bud growth
   Found on http://www.webdictionary.co.uk/definitio
   
   
6. auxin
   a natural organic compound formed in actively growing parts of plants,particularly in the growing points of shoots,which in minute concentrations regulates cell expansion and other developmental processes Category: Botany and zoology
   Found on http://www.mijnwoordenboek.nl/definition
   
   
7. Auxin
   These are substances found in places such as plant sprouts and human urine which stimulates growth in plant tissues promoting root formation.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
8. auxin
   <plant biology> A group of plant growth substances (often called phytohormones or plant hormones), the most common example being indole acetic acid (IAA), responsible for raising the pH around cells, making the cell wall less rigid and allowing elongation. ... Auxins include indoleacetic acid,...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
9. auxin
   noun a plant hormone that promotes root formation and bud growth
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
10. auxin
    any of a group of hormones that regulate plant growth, particularly by stimulating cell elongation in stems and inhibiting it in roots. For example, ... [12 related articles]
    Found on http://www.britannica.com/eb/a-z/a/129
    
    
11. auxin
    Any of a group of hormones that regulates plant growth. Auxins especially stimulate cell elongation in stems and inhibitition in roots. They also control abscission and the plant's responses to light (see phototropism) and gravity (see gravitropism). Natural auxins are derivatives of indole. Synthet...
    Found on http://www.daviddarling.info/encyclopedi
    
    
12. auxin
    auxin (ôk'sin) , plant hormone that regulates the amount, type, and direction of plant growth. Auxins include both naturally occurring substances and related synthetic compounds that have similar effects. Auxins are found in all members of the plant kingdom. They are most abundantly produc...
    Found on http://www.infoplease.com/ce6/sci/A08054
    
    
13. Auxin
    Auxin is a hormone that promotes stem and root growth in plants. Auxins influence many aspects of plant growth and development, including cell enlargement, inhibition of development of axillary buds, tropisms, and the initiation of roots. Synthetic auxins are used in rooting powders for cuttings, an...
    Found on http://www.probertencyclopaedia.com/brow
    
    
14. auxin
    Plant hormone that regulates stem and root growth in plants. Auxins influence many aspects of plant growth and development, including cell enlargement, inhibition of development of axillary buds, tropisms, and the initiation of roots. Auxin affects cell division mainly at the tip, because it is here...
    Found on http://www.talktalk.co.uk/reference/ency
    
    
15. Auxin
    A natural plant hormone or synthetic substance that affects the growth and development of all plant parts, auxins govern many biological processes in plants such as cell enlargement and division, differentiation of vascular tissue, apical dominance, root initiation and signaling.
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