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Sickle

sickle

1. A reaping instrument consisting of a steel blade curved into the form of a hook, and having a handle fitted on a tang. The sickle has one side of the blade notched, so as always to sharpen with a serrated edge. Cf. Reaping hook, under reap. When corn has once felt the sickle, it has no more benefit from the sunshine. (Shak)

2. (Science: astronomy) A group of stars in the constellation leo.

(Science: botany) Sickle pod, a kind of rock cress (Arabis Canadensis) having very long curved pods.

Origin: OE. Sikel, AS. Sicol; akin to D. Sikkel, G. Sichel, OHG. Sihhila, Dan. Segel, segl, L. Secula, fr. Secare to cut; or perhaps from L. Secula. See Saw a cutting instrument.


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Re: malaria- sickle cell

Which type of anti-Malaria tablets work best with the least number of side affects yada yada? I am going to Indonesia this year on a trip with university and will be needing anti-Malaria tablets and was wondering which ones were best? I have talked to some people that say the most expensive are my b...

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by merisalam
Fri Jul 24, 2009 5:40 am
 
Forum: Microbiology
Topic: malaria- sickle cell
Replies: 2
Views: 247

Re: Genes

Sickle-cell disease is a good example of pleiotrophy, the carrier of this recessive trait will have a phenotype of lets say Ss but they do not have Sickle-cell symptoms like the SS phenotype. However even in the Ss type some ...

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by bortz99
Fri Jun 26, 2009 10:31 pm
 
Forum: Genetics
Topic: Genes
Replies: 8
Views: 2749

malaria

... drugs that suppress the influenza virus once it has struck. You must visit the following link to get the detailed answer for your question http://sickle.bwh.harvard.edu/malaria_sickle.html

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by bryanwilliamz
Fri Jun 19, 2009 5:57 am
 
Forum: General Discussion
Topic: malaria
Replies: 4
Views: 447

Re: malaria

from what i know and learned, sickle cell causes erythrocyte to shape abnormally (like sickle). because Plasmodium (protozoans which cause malaria) attacks and live in erythrocyte in one of their life stages, unusual shape of cell stops ...

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by anitapangz
Fri Jun 19, 2009 3:08 am
 
Forum: General Discussion
Topic: malaria
Replies: 4
Views: 447

Re: sickle cell , malaria

from what i know and learned, sickle cell causes erythrocyte to shape abnormally (like sickle). because Plasmodium (protozoans which cause malaria) attacks and live in erythrocyte in one of their life stages, unusual shape of cell stops ...

See entire post
by anitapangz
Thu Jun 18, 2009 11:55 am
 
Forum: Human Biology
Topic: sickle cell , malaria
Replies: 2
Views: 365
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