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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  ...

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 ...

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 ...

Bio204 Flashcards


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

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 ...

Chordata - Untamed Science


... short period of their life, a notochord, a hollow nerve chord, pharyngeal slits, an endostyle and a post-anal tail. Chordate. Characteristics that define the group.

Anatomy-Chordates/Craniates Flashcards


Feb 24, 2014 ... Definition ... -post anal tail: tail posterior to anus -endostyle: area where the ... -tail that develops caudal to the anus or cloaca -made of muscle ...

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


Animal Sciences A Dictionary of Zoology A Dictionary of Biology A Dictionary of ... (the pharynx) that allow filter feeding and gas exchange; and a postanal 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.

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.