Dictionary » O » Onion

Onion

onion

(Science: botany) A liliaceous plant of the genus allium (A.cepa), having a strong-flavored bulb and long hollow leaves; also, its bulbous root, much used as an article of food. The name is often extended to other species of the genus.

(Science: zoology) Onion fish, a dipterous insect whose larva feeds upon the onion; especially, anthomyia ceparum and Ortalis flexa. Welsh onion.

Origin: F. Ognon, fr. L. Unio oneness, unity, a single large pearl, an onion. See One, Union.


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Re:

... the other way around. For example, after chemotherapy which kills the active rim of a tumour then the rim dies and peels away like the skin of an onion leaving the core exposed and the previously dormant cancer cells get a new lease of life because they are now getting oxygen again and so they ...

See entire post
by PeterDow
Wed Oct 30, 2013 3:02 am
 
Forum: Human Biology
Topic: My “Eureka” moment. A cure for cancer.
Replies: 9
Views: 11437

Plant chromosome staining

Hi everyone, Can you please tell me what is the best stain to observe plant chromosomes and their aberrations (specially in onion cells) ? Feulgen stain or Aceto orcein? And are there any other suitable stains? Thank you very much

See entire post
by Sue4
Sat Apr 20, 2013 8:10 am
 
Forum: Cell Biology
Topic: Plant chromosome staining
Replies: 0
Views: 1374

Staining Chromosomes

Hi, Can you please tell me what is the best stain to observe plant chromosomes that allows to see chromosomal aberrations clearly. For an example onion chromosomes. Thank you

See entire post
by Sue4
Wed Apr 17, 2013 3:44 pm
 
Forum: Molecular Biology
Topic: Staining Chromosomes
Replies: 1
Views: 1570

Re: Unidirectional ORI, Onion-Skin-Model

anybody no idea? :cry:

See entire post
by Rost
Sat Sep 01, 2012 6:35 am
 
Forum: Genetics
Topic: Unidirectional ORI, Onion-Skin-Model
Replies: 4
Views: 6613

Re: Unidirectional ORI, Onion-Skin-Model

I mean the process which is described below. The paper also says that the ORI lies in the middle of the gene. The illustration looks like the replication went both ways. From my understanding a unidirectional ORI should only start a replication in one and not two directions. So it has to lie either ...

See entire post
by Rost
Thu Aug 30, 2012 6:52 am
 
Forum: Genetics
Topic: Unidirectional ORI, Onion-Skin-Model
Replies: 4
Views: 6613
View all matching forum results

This page was last modified 21:16, 3 October 2005. This page has been accessed 7,091 times. 
What links here | Related changes | Permanent link