Dictionary » P » Pupils



1. A youth or scholar of either sex under the care of an instructor or tutor. Too far in years to be a pupil now. (Shak) Tutors should behave reverently before their pupils. (L'Estrange)

2. A person under a guardian; a ward.

3. A boy or a girl under the age of puberty, that is, under fourteen if a male, and under twelve if a female.

Synonym: Learner, disciple, tyro. See Scholar.

Origin: F. Pupille, n. Masc. & fem, L. Pupillus, pupilla, dim. Of pupus boy, pupa girl. See Puppet, and cf. Pupil of the eye.

(Science: anatomy) The aperture in the iris; the sight, apple, or black of the eye. See the note under Eye, and iris.

(Science: medicine) pin-hole pupil, the pupil of the eye when so contracted (as it sometimes is in typhus, or opium poisoning) as to resemble a pin hole.

Origin: F. Pupille, n. Fem, L. Pupilla the pupil of the eye, originally dim. Of pupa a girl. See Puppet, and cf. Pupil a scholar.

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Two questions

You mean contraction of pupils? http://en.wikipedia.org/wiki/Miosis How is that related to ploidy?

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by JackBean
Wed Sep 12, 2012 11:36 am
Forum: Genetics
Topic: Two questions
Replies: 5
Views: 3122

Re: Welp.

... to be different! :D :lol: isn't yours what people call as coloboma iris? (forgive me if I'm wrong xp) No, It does not connect with my iris. If my pupils are contracted you can see where the splotch ends, not connected with my iris so it's sectoral heterochromia! =))

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by lraebennett
Sat Jan 22, 2011 2:56 am
Forum: Human Biology
Topic: two different color eyes
Replies: 141
Views: 298718

Possible Cure for Cancer

... but sometimes I feel it is too simple. I feel at my college that I am surrounded by a bunch of dimwits. In my general biology class, my fellow pupils were discussing cancer and how we're coming closer to a cure. I thought for a moment and decided to give my two cents. I told them that cancer ...

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by DrRockagen
Fri Nov 26, 2010 1:41 am
Forum: General Discussion
Topic: Possible Cure for Cancer
Replies: 15
Views: 10432

passive active transport, h2o transport tree, bacteria, exam

... if necessary, but don't come across trying to contradict him ('You're an idiot sir!') or take up too much of his time (ie, he's got other pupils to deal with.) I think your best approach is to show real enthusiasm for the subject (which you seem to have!), and tap into what we hope is ...

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by Julie5
Tue Oct 19, 2010 10:01 am
Forum: Cell Biology
Topic: passive active transport, h2o transport tree, bacteria, exam
Replies: 6
Views: 12491

Re: What is salt stress?

... about plant cells. ANS? Autonomic Nervous System. Y'know, sympathetic, parasympathetic, reactions that occur in your body against a stimulus, i.e. pupils dilating, err.. bladder, yeah, you got it. Wait a sec... Here: http://en.wikipedia.org/wiki/Autonomic_nervous_system Covered well in Campbell ...

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by fastsandslash
Sun Jun 13, 2010 2:29 am
Forum: Ecology
Topic: What is salt stress?
Replies: 8
Views: 21187
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