Nuchal organ

The nuchal organ is a ciliated pit or groove present at the posterior end of the prostomium of annelid worms, some cephalopods, and other invertebrates. ^[1]

7 relations: Annelid, Cephalopod, Cilium, Invertebrate, Journal of Zoology, Neck, Prostomium.

Annelid

The annelids (Annelida, from Latin anellus, "little ring"), also known as the ringed worms or segmented worms, are a large phylum, with over 22,000 extant species including ragworms, earthworms, and leeches.

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Cephalopod

A cephalopod is any member of the molluscan class Cephalopoda (Greek plural κεφαλόποδα, kephalópoda; "head-feet") such as a squid, octopus or nautilus.

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Cilium

A cilium (the plural is cilia) is an organelle found in eukaryotic cells.

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Invertebrate

Invertebrates are animals that neither possess nor develop a vertebral column (commonly known as a backbone or spine), derived from the notochord.

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Journal of Zoology

The Journal of Zoology is a scientific journal concerning zoology, the study of animals.

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Neck

The neck is the part of the body, on many vertebrates, that separates the head from the torso.

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Prostomium

The prostomium (sometimes also called the acron) is the first body segment in an annelid worm's body in the anterior end.

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Redirects here:

Nuchal groove, Nuchal organs.

References

[1] https://en.wikipedia.org/wiki/Nuchal_organ

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