Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,911,963,846 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

pygidium
(redirected from pygidia)

    Also found in: Encyclopedia, Wikipedia 0.01 sec.
py·gid·i·um  (p-jd-m)
n. pl. py·gid·i·a (--)
The posterior body region or caudal segment of certain insects and other invertebrates.
[New Latin, from Greek pugidion, diminutive of pug, buttocks.]
py·gidi·al (--l) adj.
pygidium [paɪˈdʒɪdɪəm -ˈgɪd-]
n pl -ia [-ɪə]
(Life Sciences & Allied Applications / Zoology) the terminal segment, division, or other structure in certain annelids, arthropods, and other invertebrates
[from New Latin, from Greek pugē rump]
pygidial  adj
Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link 		Feedback
Add definition
Mentioned in?  References in periodicals archive?   Dictionary browser?   Full browser?
No references found
 
Most commonly, the pygidia are preserved arranged horizontally, being generally oriented upside down, showing some degree of sorting processes.
The Early Ordovician trilobite distribution and zonation of the East ... by Parnaste, Helje / Proceedings of the Estonian Academy of Sciences: Geology
Moreover, the pygidia identified with askerensis resemble those of Hemisphaerocoryphe, possessing only one pair of pleural spines between the stout anterior pair.
Revision of the Ordovician cheirurid trilobite genus Reraspis with ... by Parnaste, Helje / Proceedings of the Estonian Academy of Sciences: Geology
 
 
 
Dictionary, Thesaurus, and Translations
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.