(ˌvɪtələʊˈdʒɛnɪk) or vitelligenous (ˌvɪtəˈlɪdʒɪnəs)
adjective
zoology
producing or stimulating the formation of yolk
Derived forms
vitellogenesis (ˌvitelloˈgenesis)
noun
Word origin
C20: from vitellus + -genic
Examples of 'vitellogenic' in a sentence
vitellogenic
Vitellogenic follicles and eggs are not distributed equally throughout the year.
Fátima Q. Alves, Antônio J. S. Argôlo, Gilson C. Carvalho 2014, 'Reproductive biology of the bushmaster Lachesis muta (Serpentes: Viperidae) in theBrazilian Atlantic Forest', Phyllomedusa: Journal of Herpetologyhttp://www.revistas.usp.br/phyllo/article/view/89175/92037. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In all treatments, lambari females showed maturing ovaries with prevalence of vitellogenic oocytes.
Fernanda Keley Silva Pereira Navarro, Rodrigo Diana Navarro, Luis David Solis Murgas,Marina Apocalypse Nogueira Pereira, Guilherme Crispim Hundley 2013, 'Plasma levels of luteinizing hormone and gonadal maturation of lambari females underdifferent photoperiods', Pesquisa Agropecuária Brasileirahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2013000800039&lng=en&tlng=en. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Starvation triggered ovarian maturation, and concomitantly increased the expression of autophagy markers in vitellogenic oocytes.
Wilairat Kankuan, Wilairat Kankuan, Chaitip Wanichanon, Rossella Titone, AttakornEngsusophon, Chanudporn Sumpownon, Worawit Suphamungmee, Federica Morani, MatildeMasini, Michela Novelli, Ciro Isidoro, Prasert Sobhon, Prasert Sobhon 2017, 'Starvation Promotes Autophagy-Associated Maturation of the Ovary in the Giant FreshwaterPrawn, Macrobrachium rosenbergii', Frontiers in Physiologyhttp://journal.frontiersin.org/article/10.3389/fphys.2017.00300/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Finally, in late vitellogenic oocytes a third layer, made of microfibrillar material, appeared.
A Corriero, F Acone, S Desantis, D Zubani 2009, 'Histological and immunohistochemical investigation on ovarian development and plasmaestradiol levels in the swordfish (Xiphias gladius L.)', European Journal of Histochemistry https://www.ejh.it/index.php/ejh/article/view/915. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Expression of elongase was significantly highest in pre-vitellogenic follicles, followed by maturation stage.
Enyu Yee-Ling, Jaya-Ram Annette, Khong Hou-Keat, Tan Sze-Huey, Ishak Sairatul D, KuahMeng-Kiat, Shu-Chien Alexander 2008, 'Upregulated mRNA expression of desaturase and elongase, two enzymes involved in highlyunsaturated fatty acids biosynthesis pathways during follicle maturation in zebrafish',Reproductive Biology and Endocrinologyhttp://www.rbej.com/content/6/1/56. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In spring, the signal became weak, or even absent, in the vitellogenic and previtellogenic follicles.
Jean Marie Exbrayat, ThĂŠrese Gernigon, Sadjia Hammouche 2010, 'Correlation between ovarian steroidogenesis and beta-endorphin in the Lizard Uromastyxacanthinura: Immunohistochemical approach.', Folia Histochemica et Cytobiologicahttp://czasopisma.viamedica.pl/fhc/article/view/4270. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Immediately after spawning, the gonad region holds many previtellogenic and vitellogenic oocytes, though no oocytes withkaryosphere.
Elizabeth Moiseeva, Claudette Rabinowitz, Guy Paz, Baruch Rinkevich 2017, 'Histological study on maturation, fertilization and the state of gonadal region followingspawning in the model sea anemone, Nematostella vectensis.', PLoS ONEhttp://europepmc.org/articles/PMC5552035?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)