[Taxacom] ductus bursa or ductus bursae?

[Donald Hobern]

Sorry - ductus is Latin fourth declension so the plural of ductus is ductus (long second 'u') and the plural of ductus bursae would be ductus bursarum (the ducts of the pouches). Corpora bursarum would be the corresponding plural of corpus bursae.

Donald


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Donald Hobern - dhobern at gbif.org<mailto:dhobern at gbif.org>
Global Biodiversity Information Facility http://www.gbif.org/
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________________________________
From: Taxacom <taxacom-bounces at mailman.nhm.ku.edu> on behalf of Michael Heads via Taxacom <taxacom at mailman.nhm.ku.edu>
Sent: Thursday, July 22, 2021 2:15 PM
To: Soowon Cho <chosoowon at gmail.com>
Cc: taxacom at mailman.nhm.ku.edu <taxacom at mailman.nhm.ku.edu>
Subject: Re: [Taxacom] ductus bursa or ductus bursae?

plural is ducti bursae = ducts of the bursa; ducti bursarum = ducts of the
bursas.
Yes, corpora bursae is the plural.

On Thu, Jul 22, 2021 at 2:31 PM Soowon Cho via Taxacom <
taxacom at mailman.nhm.ku.edu> wrote:

> Dear Members,
>
> First of all, thanks for commenting on "ductus bursae".
>
> When describing the type of moth, the singular form is mainly used, such as
> forewings, antennae, ocellus, and so on, but the plural form is also used
> when there is a pair of moths, such as forewings, antennae, and hind legs.
>
> Of course, as Stephen Thorpe points out, even if there is only one part per
> moth to explain, we can still talk about "ductus bursae" in the general
> plural sense.
> So, as David Redei explained, it's really nice to know that "ductus
> bursae", not "ductus bursa", is the correct singular form of the grammar.
>
> Here I have two questions.
> If "ductus" can be both singular and plural, what is the plural of "ductus
> bursae"? Is it the same "ductus bursae"?
> As Elisa Rost individually mentioned to me, if "corpus" can only be
> singular (the plural is "corpora"), then what is the plural of "corpus
> bursae" if "corpus bursae" is singular? "corpora bursae"?
>
> Sincerely,
>
> On Tue, Jul 20, 2021 at 11:50 AM David Redei via Taxacom <
> taxacom at mailman.nhm.ku.edu> wrote:
>
> > Dear Soowon,
> >
> > *bursa *is the nominative singular of this Latin noun ("one bursa"). In
> the
> > declension system of Latin nouns, both the nominative plural of *bursa
> > *("one
> > bursa, two bursae") and genitive singular of *bursa *(of the bursa =
> > bursa's = bursae) are *bursae*. In the morphological term *ductus bursae*
> > the noun *bursa *is in genitive singular, it means "the duct of the
> bursa",
> > "the bursa's duct". "Ductus bursa" is grammatically wrong.
> >
> > With best regards,
> >
> > David Redei
> >
> > On Tue, 20 Jul 2021 at 10:11, Soowon Cho via Taxacom <
> > taxacom at mailman.nhm.ku.edu> wrote:
> >
> > > Dear members,
> > >
> > > I use terms like 'ductus bursae' or 'corpus bursae' to describe the
> > female
> > > genitalia in Lepidoptera taxonomy. However, I am confused as the term
> > > ductus bursae is a plural noun while only one ductus bursa is in the
> > female
> > > genitalia.
> > > I searched the internet and found examples such as 'ductus bursa is',
> > > 'ductus bursae are', and 'ductus bursae is', so I was more confused.
> > > Can someone please clarify this for me?
> > >
> > > Sincerely,
> > >
> > > --
> > > Soowon Cho
> > > chosoowon at gmail.com
> > > Dept Plant Medicine
> > > Chungbuk Nat'l Univ
> > > Cheongju, 361-763
> > > KOREA
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>
>
> --
> Soowon Cho
> chosoowon at gmail.com
> Dept Plant Medicine
> Chungbuk Nat'l Univ
> Cheongju, 361-763
> KOREA
> _______________________________________________
> Taxacom Mailing List
>
> Send Taxacom mailing list submissions to: taxacom at mailman.nhm.ku.edu
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> The Taxacom email archive back to 1992 can be searched at:
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> Nurturing nuance while assailing ambiguity for about 34 years, 1987-2021.
>


--
Dunedin, New Zealand.

My books:

*Biogeography and evolution in New Zealand. *Taylor and Francis/CRC, Boca
Raton FL. 2017.
https://www.routledge.com/Biogeography-and-Evolution-in-New-Zealand/Heads/p/book/9781498751872


*Biogeography of Australasia:  A molecular analysis*. Cambridge University
Press, Cambridge. 2014. www.cambridge.org/9781107041028<http://www.cambridge.org/9781107041028>


*Molecular panbiogeography of the tropics. *University of California Press,
Berkeley. 2012. www.ucpress.edu/book.php?isbn=9780520271968<http://www.ucpress.edu/book.php?isbn=9780520271968>


*Panbiogeography: Tracking the history of life*. Oxford University Press,
New York. 1999. (With R. Craw and J. Grehan).
http://books.google.co.nz/books?id=Bm0_QQ3Z6GUC
<http://books.google.co.nz/books?id=Bm0_QQ3Z6GUC&dq=panbiogeography&source=gbs_navlinks_s>
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Nurturing nuance while assailing ambiguity for about 34 years, 1987-2021.