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Chordates are animals possessing a notochord, a hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail for at least some period of their life cycles. ..... Each filter feeds ...

What is a postanal tail? | Reference.com


In technical terms, the postanal tail is an extension of the notochord and nerve cord that extend beyond the anus. The word postanal means behind or after the ...

Chordata - Vertebrates, Tunicates, Lancelets | Wildlife Journal Junior


All chordates have a post-anal tail. A post-anal tail is an extension of the body that runs past the anal opening. In some species, like humans, this feature is only  ...

Characteristics of Chordata - Boundless


Animals in the phylum Chordata share four key features: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail.

Postanal | definition of postanal by Medical dictionary


Looking for online definition of postanal in the Medical Dictionary? postanal ... Melanophores that form a postanal ventral (pav) series on the tail were most ...

Postanal - Biology-Online Dictionary


Oct 3, 2005 ... Postanal. Home » Postanal. postanal. (Science: anatomy) Situated behind, or posterior to, the anus. Origin: Pref. Post- _ anal. Retrieved from ...

Bio204 Flashcards


Dec 14, 2010 ... Definition ... Pharyngeal Slits; Notochord; Hollow Dorsal Nerve Cord; Muscular, Post-anal tail ... Muscular, Post-anal tail Function & Evolution ...

Morphology of the Chordata


Lastly, all chordates have a post-anal tail, or extension of the notochord and nerve cord past the anus. This feature is also lost in the adult stages of many ...

Chordata Facts, information, pictures | Encyclopedia.com articles ...


Animal Sciences Biology A Dictionary of Biology Further reading ... The tail, notochord, and nerve cord degenerate, the pharynx enlarges, and the other organs ...

Urochordata Facts, information, pictures | Encyclopedia.com articles ...


Animal Sciences A Dictionary of ZoologyA Dictionary of BiologyA Dictionary of Earth ... and Vertebrata) in that the adult form has no notochord, nerve cord, or tail .

Postanal Tail | Define Postanal Tail at Dictionary.com
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ZFIN GO: Biological Process: post-anal tail morphogenesis


Synonyms: Definition: The process in which a post-anal tail is generated and organized. A post-anal tail is a muscular region of the body that extends posterior to ...

Postanal | Define Postanal at Dictionary.com


Postanal definition, of, pertaining to, involving, or near the anus. See more.

Post-Anal Muscular Tail - Biology As Poetry


Click here to search on 'Post-Anal Muscular Tail' or equivalent… Click on icons ... Pop Quiz – test your biology titude → define "controlled variables" Free, Online ...