Dictionary » R » Ridges

Ridges

ridge

1. A (usually rough) linear elevation.

See: crest.

2. In dentistry, any linear elevation on the surface of a tooth.

3. The remainder of the alveolar process and its soft tissue covering after the teeth are removed.

Origin: A. S. Hyrcg, back, spine


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Why similar features are preserved in a gigantic population?

... and Japanese (except the native Ainu) resemble each other. All have common characteristics as epicanthic fold, oblique eyes, slightly marked brow ridges, flat face, high orbits, etc. .. The teeth are Characterized by sinodonty. But this is very rare when you consider the number of people, absolutely ...

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by Goldentiger
Mon Jul 14, 2014 1:22 am
 
Forum: Human Biology
Topic: Why similar features are preserved in a gigantic population?
Replies: 2
Views: 628

Re: What sea creature is this?

Looks like a chiton. I think you're right. The "white ridges" are apparently the remains of the articulated shell plates that normally cover it. This one seems to correspond to photos of the "gumboot" chiton.

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by wernerpels
Thu Dec 20, 2012 4:59 pm
 
Forum: Zoology Discussion
Topic: What sea creature is this?
Replies: 4
Views: 1991

What sea creature is this?

I found this animal washed up on the beach. A hard top with protruding white shell-like ridges. A soft "foot". snailtop.jpg snailfoot.jpg

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by wernerpels
Wed Dec 19, 2012 10:38 pm
 
Forum: Zoology Discussion
Topic: What sea creature is this?
Replies: 4
Views: 1991

Writer in need of help.

... flexable, and I am trying to work out how they can have the upper body strength like a human, while lacking a collar bone. I figure prominant ridges, similar in concept to the bone fin on a gorrillas head, to provide muscle connections erupting from ribs.

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by Otakon
Wed Sep 15, 2010 6:54 pm
 
Forum: General Discussion
Topic: Writer in need of help.
Replies: 9
Views: 5567

Plate tectonic activity ideas

... handle) to move the bands just to avoid dealing with electricity and water. As for the band, I would use some thick plastic if possible with some ridges of one sort or another to improve the traction on the liquid. Bubble wrap for example. I can see 2 rolling pins on some sort of legs with bands ...

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by canalon
Wed May 06, 2009 3:40 pm
 
Forum: General Discussion
Topic: Plate tectonic activity ideas
Replies: 4
Views: 5134
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