Dictionary » P » Protective



(Science: pharmacology) An agent that affords defense against a deleterious influence, such as a substance applied to the skin to avoid the effects of the sun's rays or other noxious influences.

Origin: L. Protegere = to cover over

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Structure of flower

... which bears the anther. Anther The pollen bearing portion of a stamen. Pollen Grains containing the male gametes. Immature male gametophyte with a protective outer covering. Carpel\Pistil Female part of the flower. Consisting of the stigma, style and ovary. Stigma Often sticky top of carpel, serves ...

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by snowfall
Thu May 30, 2013 5:29 pm
Forum: Botany Discussion
Topic: Structure of flower
Replies: 3
Views: 5940

How does blood is circulated in amphibians?

The frog circulatory system consist of two atria and one single ventricle. It is the only organ within the coelom which has its own protective covering. The single ventricle is not divided into two compartments like a humans heart, but it is separated enough for the blood not to get mixed. ...

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by suzidoc8
Mon Jul 23, 2012 2:00 pm
Forum: Physiology
Topic: How does blood is circulated in amphibians?
Replies: 4
Views: 7257

The Primal/Paleo Diet? Or the Parasite Diet?

... newbie tech will be on his own for the first time tomorrow. Ah, well. We do what we can. You remove the mask, gloves, wash your hands, remove your protective paper coat, and go for some coffee, thankful that you will soon be rotating to another department and leaving poo-poo land behind forever. ...

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by Wallyanna
Tue May 08, 2012 12:09 am
Forum: General Discussion
Topic: The Primal/Paleo Diet? Or the Parasite Diet?
Replies: 3
Views: 3411

Theories - Origin of Life

... that doing tests specifically on sick people is unlikely to find any. But by the way, did you know that CF mutations have been suggested to be protective against cholera? This is a similar idea as the sickle-cell mutation. Systems biologists are increasingly recognising the robustness of cellular ...

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by AstraSequi
Tue Mar 27, 2012 2:32 am
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 560
Views: 907160

Re: Where do we go from here?

... our ape-like ancestors thought that the few almost hairless persons were "weak" because they would be cold and vulnerable without the protective body hair. However, they did not foresee the invention of clothes and the result of it: hairless people turned out to be the ones that survived ...

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by biohazard
Fri Mar 09, 2012 7:35 am
Forum: Evolution
Topic: Where do we go from here?
Replies: 41
Views: 35132
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