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Dictionary » U » Upright



1. In an erect position or posture; perpendicular; vertical, or nearly vertical; pointing upward; as, an upright tree. With chattering teeth, and bristling hair upright. (Dryden) All have their ears upright. (Spenser)

2. Morally erect; having rectitude; honest; just; as, a man upright in all his ways. And that man [Job] was perfect and upright. (job i. 1)

3. Conformable to moral rectitude. Conscience rewards upright conduct with pleasure. (J. M. Mason)

4. Stretched out face upward; flat on the back. He lay upright.

(Science: machinery) Upright drill, a drilling machine having the spindle vertical.

This word and its derivatives are usually pronounced in prose with the accent on the first syllable. But they are frequently pronounced with the accent on the second in poetry, and the accent on either syllable is admissible.

Origin: AS. Upright, uppriht. See Up, and Right.

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Hyperadrenergic POTS

... speeds up 30 beats per minute or more without much change in blood pressure on standing, people may have orthostatic intolerance (OI). Because upright heart rate is usually greatly increased, the more common term used now is Postural Tachycardia Syndrome, or POTS. The increase in heart rate ...

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by rmorrison
Wed Mar 19, 2014 5:38 pm
Forum: Human Biology
Topic: Hyperadrenergic POTS
Replies: 0
Views: 56

How does blood is circulated in amphibians?

"Sinking" only applies if frogs were upright bipeds. There may be a slight prevention of mixing, due to the offset entrances, but it's not that critical. Also, most frogs don't get oxygen just from their lungs...

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by Darby
Tue Jul 24, 2012 2:43 pm
Forum: Physiology
Topic: How does blood is circulated in amphibians?
Replies: 4
Views: 5666

When did the following things happen during our evolution?

Referring to the tree, what letter(s) show the most likely time point or interval that the following has occured? 1. the first upright walking ape 2. early tool use: between C and D 3. symbolic representations/cave drawings Also: 1. what is the approximate date of G? 2. what species is ...

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by qwertyqwerty11294
Fri Jun 15, 2012 6:11 am
Forum: Evolution
Topic: When did the following things happen during our evolution?
Replies: 0
Views: 1336

Re: Evolutionary advantage of seeing 'upright'

Does our image actually flip? Does the brain actually turn the image like a single lens reflex, rather than a box brownie? There is no "image." Your brain isn't like a television. It directly processes the signals coming in from your optic nerve - at no point does it try to reconstruct wh...

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by TheSunshineEmperor
Wed May 23, 2012 5:03 am
Forum: Evolution
Topic: Evolutionary advantage of seeing 'upright'
Replies: 17
Views: 6970

Re: Evolutionary advantage of seeing 'upright'

No, I think the answer is subtle and hard to explain. Your brain does not flip the image, it simply deals with it. Your brain does not see the image and say "thats wrong, I must correct it". Your brain doesn't know that its "wrong". The subtle part is that there is no "right...

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by Rap
Wed May 23, 2012 4:44 am
Forum: Evolution
Topic: Evolutionary advantage of seeing 'upright'
Replies: 17
Views: 6970
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