oostegiten.
/əʊˈɒstᵻdʒʌɪt/, U.S. /oʊˈ(w)ɑstəˌdʒaɪt/ Zoology.
A small plate-like process on certain thoracic coxae of female peracarid crustaceans, occurring in groups that form external brood pouches.
ΚΠ
1857 T. H. Huxley in Med. Times & Gaz. 7 Nov. 467/2 These ‘oostegites’, as they may be called, inclose a cavity in which the incubation of the eggs takes place.
1877 T. H. Huxley Man. Anat. Invertebrated Animals vi. 366 The eggs of the ordinary Edriophthalmia usually undergo their development in the chamber beneath the thorax enclosed by the oostegites of the thoracic appendages.
1908 Proc. Royal Soc. B. 80 465 The chief distinguishing features of the Peracarida are..the presence of a brood pouch in the female, formed from oostegites on the thoracic limbs, [etc.].
1944 Q. Rev. Biol. 19 137/2 There was suppression of gonadal activity and failure of the marginal bristles of the oöstegites to develop.
1994 E. E. Ruppert & R. D. Barnes Invertebr. Zool. (ed. 6) xiv. 733/2 The marsupial oostegites may make their appearance as small projections during juvenile instars.
Derivatives
oˌosteˈgitic adj. rare Apparently only attested in dictionaries or glossaries.
ΚΠ
1890 Cent. Dict. Oöstegitic, covering or incasing eggs; having the nature or office of an oöstegite.
1949 Zoologiska Bidrag Uppsala 28 311 In females belonging to most of the amphipod species the principal expansion of the oostegites together with the entire development of the oostegitic setae takes place in connection with a single moult.
This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).
<
n.1857