Look up: chiasma

1. chiasma
   [n] - an intersection or crossing of two tracts in the form of the letter X
   Found on http://www.webdictionary.co.uk/definitio
   
   
2. chiasma
   a stage during meiosis where two homologous chromatids,one from each member of a pair of homologous chromosomes,cross(as a consequence of crossing-over),resulting in an exchange of chromatid segments and hence in recombination Category: Medicine
   Found on http://www.mijnwoordenboek.nl/definition
   
   
3. chiasma
   (= chiasmata (plural)) Junction points between non-sister chromatids at the first diplotene of meiosis, the consequence of a crossing-over event between maternal and paternally derived chromatids. A chiasma also serves a mechanical function and is essential for normal equatorial alignment at meiotic metaphase I in many species. Frequency of chiasmata is very variable between species.
   Found on http://www.encyclo.co.uk/visitor-contrib
   
   
4. chiasma
   <cell biology> Junction points between nonsister chromatids at the first diplotene of meiosis, the consequence of a crossing over event between maternal and paternally derived chromatids. ... A chiasma also serves a mechanical function and is essential for normal equatorial alignment at meioti...
   Found on http://www.mondofacto.com/facts/dictiona
   
   
5. chiasma
   chiasm noun an intersection or crossing of two tracts in the form of the letter X
   Found on http://wordnetweb.princeton.edu/perl/web
   
   
6. chiasma
   (ki-az´mә) pl. chias´mata Latin word meaning chiasm, or X-shaped crossing. in genetics, a point where pairs of homologous chromatids remain in contact during the first meiotic division, indicating where an exchange of homologous segments has taken place between nonsister chromatids by recombination.
   Found on http://www.encyclo.co.uk/local/21001
   
   
7. Chiasma
   • (n.) A commissure; especially, the optic commissure, or crucial union of the optic nerves.
   Found on http://thinkexist.com/dictionary/meaning
   
   
8. chiasma
   (from the article `heredity`) ...was that the degree of linkage depends on physical distance between the genes in the chromosome: the closer the genes, the tighter the linkage and ...
   Found on http://www.britannica.com/eb/a-z/c/67
   
   
9. chiasma
   chiasma (s., kigh AZ muh), chiasmata (pl., kigh AZ muh tuh) 1. A crossing; two things placed cross-wise. 2. In anatomy, the crossing over of body parts; any crossing over of biological tissue. 3. A crossing or intersection of the optic nerves on the ventral surface of the brain. 4. Etymology: Mid-19th century via modern Latin from Greek ...
   Found on http://www.wordinfo.info/words/index/inf
   
   
10. chiasma
    Type: Term Pronunciation: kī-az′mă, kī-az′mă-tă Synonyms: chiasm
    Found on http://www.medilexicon.com/medicaldictio
    
    
11. chiasma
    chiasma (kīăz'mu) : see crossing over.
    Found on http://www.infoplease.com/ce6/sci/A09117
    
    
12. Chiasma
    Chiasma is the point at which paired homologous chromosomes remain in contact as they begin to separate during the first prophase of meiosis, forming a cross shape. A number of chiasmata can usually be identified and at these points crossing over occurs. Chlorine dioxide Chlorine dioxide is a yellow...
    Found on http://www.probertencyclopaedia.com/brow
    
    
13. chiasma
    Greek kiasma = cross. (The Greek letter chi = c).
    Found on http://www.anatomy.usyd.edu.au/glossary/
    
    
14. chiasma
    (ki-as;mua) A crossing of nerve tracts from one side of the CNS to the other; also called a chiasm.
    Found on http://www.mhhe.com/biosci/abio/glossary
    
    
15. chiasma
    (ki-as;mua) A crossing of nerve tracts from one side of the CNS to the other; also called a chiasm.
    Found on http://www.mhhe.com/biosci/abio/glossary
    
    
16. chiasma
    An anatomy term for an X-shaped crossing (for example, of nerves or tendons).
    Found on http://www.cancer.gov/dictionary?expand=