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Dictionary » P » Potency

Potency

Definition

noun

(general) The ability or capacity to perform something.

(biology) The ability of a stem cell to differentiate into different cell types.

(pharmacology) The measure of the activity of a drug in a biological system.


Supplement

In biology, a cell may be totipotent, pluripotent, multipotent, or unipotent depending on its differentiation potential.


Word origin: Latin potentia, power, capacity.
Related form: potent (adjective).

Related terms:


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Re: Should we spare testosterone?

I am somewhat older and wondered whether an injection of tostesterone will increase sexual potency. I will get my level of it tested in August.

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by tennisguy
Tue Jul 21, 2009 6:01 pm
 
Forum: Human Biology
Topic: Should we spare testosterone?
Replies: 29
Views: 7354

What is the most poisonous snake in da world?

... doesnt inject a very large amount of toxin. This question is quite controversial, because of the different criterion undertaken for gauaging the potency of the snake venom (like some snakes have short fangs despite having a very toxic venom so its not very effective). But the answer normally ...

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by prateeiik
Sat Jul 12, 2008 9:18 am
 
Forum: Zoology Discussion
Topic: What is the most poisonous snake in da world?
Replies: 177
Views: 192551

Question help

... via pipetting..and the advantages being things like able to determine the effects various drugs have on the tissue and able to calculate their potency? Advantages/disadvantages of in vivo animal studies vs. cells? ...in vivo studies lets us see what happens to the whole animal (knockout exps) ...

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by biology_06er
Thu Jun 19, 2008 6:22 am
 
Forum: General Discussion
Topic: Question help
Replies: 4
Views: 657

What is the most poisonous snake in da world?

... :P There isn't even an universal measurement: some people use mouse body count, some use LD, others grown up men, some measure the actual venom's potency, whilst others again measure how dangerous one bite is. If you claim, e.g. that "black mamba can kill 200 grown up men with a drop of venom" ...

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by biohazard
Wed Jun 18, 2008 1:14 pm
 
Forum: Zoology Discussion
Topic: What is the most poisonous snake in da world?
Replies: 177
Views: 192551

Re: Brain size=IQ level theory (Blacks vs Whites & Asians)

... brains and greater intelligence, but also towards slower rates of maturation, lower levels of sex hormone, and concomitant reductions in sexual potency and aggressiveness, and increases in family stability and social conformity. Such an evolutionary scenario fits the data from Rushtons (1995b) ...

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by TJJ
Fri May 16, 2008 12:13 am
 
Forum: Human Biology
Topic: Brain size=IQ level theory (Blacks vs Whites & Asians)
Replies: 18
Views: 12456
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