Dictionary » C » Concave



Having a depressed or hollowed surface.

Origin: L. Concavus, arched or vaulted

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Is there anything wrong with this nipple?

https://www.flickr.com/photos/bushin1994/15985964601/ The nipple seems to be fully grown, so it should not be inverted. However, it is a little concave on the center. I think a typical nipple should be plain, not concave. Is this a condition?

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by dagnabbit
Wed Dec 10, 2014 4:11 am
Forum: Human Biology
Topic: Is there anything wrong with this nipple?
Replies: 0
Views: 541

Gram Positive Cocci

... project to identify a bacterial organism found in a small stream. Here is the info collected so far: Colony morphology: Yellow, round, slightly concave, smooth. Gram stain: Gram positive, appears to be cocci, but not perfectly round and tend to group together in pairs (which appear as though ...

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by lucrezia03
Wed Oct 17, 2012 11:58 pm
Forum: Microbiology
Topic: Gram Positive Cocci
Replies: 2
Views: 5376

Re: epiphytic algae

... fungal cells. Any stains you know of that will stain for these algal cells? shouldnt be heat fixing, i think i am just observing them under the concave slides. I am expecting to see microalgae on the bark scrapings. but the problem comes because i am not sure if what i am seeing are algae cells. ...

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by syah07
Mon Dec 14, 2009 3:42 pm
Forum: Microbiology
Topic: epiphytic algae
Replies: 3
Views: 5058

Eye Power????

Hiii What causes Power in the eye... that is, short sight and long sight. I am aware that they can be rectified by use of concave and convex lens repectively.... but what is the cause???? VeenaandNivyah

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by VeenaandNivyah
Fri Apr 07, 2006 11:11 am
Forum: Human Biology
Topic: Eye Power????
Replies: 7
Views: 6013

Red blood cells

Simple question, i know in humans red blood cells have a particular shape; round with a concave surface on both sides. Is the basic shape of these cells the same in all mammals?

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by Question
Wed Mar 15, 2006 7:12 pm
Forum: Cell Biology
Topic: Red blood cells
Replies: 8
Views: 12489
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