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Snail

snail

1. (Science: zoology) Any one of numerous species of terrestrial air-breathing gastropods belonging to the genus helix and many allied genera of the family Helicidae. They are abundant in nearly all parts of the world except the arctic regions, and feed almost entirely on vegetation; a land sanil. Any gastropod having a general resemblance to the true snails, including fresh water and marine species. See pond snail, under Pond, and sea snail.

2. Hence, a drone; a slow-moving person or thing.

3. (Science: mechanics) A spiral cam, or a flat piece of metal of spirally curved outline, used for giving motion to, or changing the position of, another part, as the hammer tail of a striking clock.

4. A tortoise; in ancient warfare, a movable roof or shed to protect besiegers; a testudo. They had also all manner of gynes [engines] . . . That needful is [in] taking or sieging of castle or of city, as snails, that was naught else but hollow pavises and targets, under the which men, when they fought, were heled [protected], . . . As the snail is in his house; therefore they cleped them snails. (Vegetius (Trans))

5. (Science: botany) The pod of the sanil clover. Ear snail, edible snail, pond snail, etc. See Ear, Edible, etc.

(Science: zoology) Snail borer, a boring univalve mollusk; a drill.

(Science: botany) Snail clover See Snail clover, above.

Origin: OE. Snaile, AS. Sngel, snegel, sngl; akin to G. Schnecke, OHG. Snecko, Dan. Snegl, Icel. Snigill.


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Re: Why must we avert the genome of Eden?

... about microbes and fail to recognize how big this problem really is. Many genes required for photosynthesis have been found in the genome of a sea-snail (Elysia chlorotica)6, this represents the same problem and it makes no sense unless we extend HGT to complex eukaryotes. The first difficulty ...

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by wildfunguy
Fri Oct 04, 2013 7:49 pm
 
Forum: Evolution
Topic: Why must we avert the genome of Eden?
Replies: 6
Views: 3066

Why must we avert the genome of Eden?

... about microbes and fail to recognize how big this problem really is. Many genes required for photosynthesis have been found in the genome of a sea-snail (Elysia chlorotica)6, this represents the same problem and it makes no sense unless we extend HGT to complex eukaryotes. The first difficulty ...

See entire post
by Hunor
Mon Sep 23, 2013 12:08 am
 
Forum: Evolution
Topic: Why must we avert the genome of Eden?
Replies: 6
Views: 3066

Re: Blue Blood For A Science Project

... Neither you, nor your son knows there is nothing as blue blood. Not very good start for a scientific project. So, unless you find some princess or snail, you will not get blue blood (unless you drop ink into it;).

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by JackBean
Wed Sep 26, 2012 6:35 am
 
Forum: Human Biology
Topic: Blue Blood For A Science Project
Replies: 13
Views: 4430

Re:

If you do an image search, you'll see that the narrow end of the shell is the anterior end of the snail. Umm, yeah. Did I say otherwise somewhere? :) Anyway, the animal has a barbed "tail" that is located in the wide/posterior end of the shell ("rear end", ...

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by biohazard
Mon Jun 11, 2012 8:47 am
 
Forum: Zoology Discussion
Topic: Cone snail
Replies: 4
Views: 3769

Cone snail

If you do an image search, you'll see that the narrow end of the shell is the anterior end of the snail.

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by Darby
Sat Jun 09, 2012 1:39 pm
 
Forum: Zoology Discussion
Topic: Cone snail
Replies: 4
Views: 3769
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