[Taxacom] ductus bursa or ductus bursae?

[Michael Heads]

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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> > > Nurturing nuance while assailing ambiguity for about 34 years,
> 1987-2021.
> > >
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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
> For list information; to subscribe or unsubscribe, visit:
> http://mailman.nhm.ku.edu/cgi-bin/mailman/listinfo/taxacom
> You can reach the person managing the list at:
> taxacom-owner at mailman.nhm.ku.edu
> The Taxacom email archive back to 1992 can be searched at:
> http://taxacom.markmail.org
>
> 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


*Molecular panbiogeography of the tropics. *University of California Press,
Berkeley. 2012. 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>