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What is the setae?

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2007-05-11 21:46:09
2007-05-11 21:46:09

Seta \Se"ta\, n.; pl. Set[ae]. [L. seta, saeta, a bristle.] 1. (Biol.) Any slender, more or less rigid, bristlelike organ or part; as the hairs of a caterpillar, the slender spines of a crustacean, the hairlike processes of a protozoan, the bristles or stiff hairs on the leaves of some plants, or the pedicel of the capsule of a moss. 2. (Zo["o]l.) (a) One of the movable chitinous spines or hooks of an annelid. They usually arise in clusters from muscular capsules, and are used in locomotion and for defense. They are very diverse in form. (b) One of the spinelike feathers at the base of the bill of certain birds.

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Related Questions


setae means setae wich is a sofa


Setae are used for the grip and movement of annelids.


The setae helps the worm by making it move


A setae is a bristlelike structure under segmented worms.


What segment of the worm contains no no Setae ?


Plant bristles are called setae or awns. The setae are movable bristles. Setae are also known as being a stiff hair.


Bristles also known as setae. They work as legs; they grip to soil with the setae. Setae also can dig through soil.


Setae are little bristles attached to segments of annelids. It helps them move.


There are 8 setae on each segment of an earthworm.


The setae, normally eight per segment, help the earthworm move.


Setae are external bristles that provide traction for the movement of a worm.


go to dictionary.com and enter setae u will get da definition rly easily


Well the setae is what allows earthworms to move thorugh the dirt and stuff :)


Setae prevent worms (Annelids) to backslide during locomotion, effectively serving as "anchors".


Yes, the have setaeThe small bristles on earthworms are called setae.The setae are small spines which are projected from the body wall by muscles to act as anchors in the surface that the worm is moving along. The muscle can also retract the setae when it is not required.Read more: What_are_the_small_bristles_earth_worms_have


Except for the first and last segments, which have no setae, there are eight tiny bristle-like structures that can not be seen with the naked eye called setae on each segment of an earthworm. The arrangement of the setae is one factor that helps in the identification of earthworms, as they can be closely or widely paired in four pairs or separate. Setae grip the soil to help the earthworm move about and sense the enviroment.


For one example, the setae help the worm resist being pulled from a hole in the groung by a bird.


The small bristles on earthworms are called setae. The setae are small spines which are projected from the body wall by muscles to act as anchors in the surface that the worm is moving along. The muscle can also retract the setae when it is not required.


The number of setae that earthworms have are 8 per segment. Most earth worms will have between 110 to 180 segments.



Earthworms and Marine worms have setae to aid in locomotion. Both of these types of worms are members of the Annelida phylum.


the following structures are coelom and setae :))



Contract in a longitudinal direction


sensory hairs called setae



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