Results 11 to 20 of about 56,450 (341)

The reproductive biology of small fishes and the clutch concept: Combining macroscopic and histological approaches

open access: yesAquaculture, Fish and Fisheries, 2022
Accurate estimates of reproductive parameters important in understanding life history evolution and conservation of small fishes are dependent upon careful assignment of ovarian phases.
David C. Heins   +1 more
doaj   +1 more source

Preimaginal stages of Plebeius caspicus (Forster, 1936) (Lepidoptera: Lycaenidae) [PDF]

open access: yesКавказский энтомологический бюллетень, 2006
Preimaginal stages of Plebeius caspicus (Forster, 1936) from egg to pupa have been studied. Distinctions between P. caspicus and a related species, P.
B.V. Stradomsky, Yu.G. Arzanov
doaj   +1 more source

Classification of Blighted Ovum Factors in Pregnant Women Using PSO-Based Naïve Bayes

open access: yesJurnal Riset Informatika, 2023
Klasifikasi Faktor Blighted Ovum atau janin tidak berkembang dilakukan mengingat kasus Blighted Ovum banyak terjadi pada ibu hamil. Blighted Ovum merupakan 60% dari penyebab keguguran, di Indonesia ditemukan 37% dari setiap 100 kehamilan.
Febryo Ponco Sulistyo, Endang Sri Palupi
doaj   +1 more source

Preimaginal stages of Polyommatus elena Stradomsky et Arzanov, 1999 and P. shchurovi Stradomsky, 2006 (Lepidoptera, Lycaenidae) [PDF]

open access: yesКавказский энтомологический бюллетень, 2007
In this paper, we studied preimaginal instars of Polyommatus elena Stradomsky et Arzanov, 1999 and P. shchurovi Stradomsky, 2006 from ovum to pupa. The following differences between them and the related species of P.
B.V. Stradomsky, E.A. Fomina
doaj   +1 more source

Blighted Ovum: Studi Kasus pada Ibu dengan Kehamilan Patologi

open access: yesAhmar Metastasis Health Journal, 2023
Kehamilan anembrionik atau blighted ovum yakni dimana kantong kehamilan berkembang secara normal namun sel   telur   yang   dibuahi   tidak   berkembang menjadi   embrio.
Hamdiah Ahmar, Alia Andriany
doaj   +1 more source

Adaptive thermal plasticity enhances sperm and egg performance in a model insect

open access: yeseLife, 2019
Rising and more variable global temperatures pose a challenge for biodiversity, with reproduction and fertility being especially sensitive to heat. Here, we assessed the potential for thermal adaptation in sperm and egg function using Tribolium flour ...
Ramakrishnan Vasudeva   +5 more
doaj   +1 more source

First ovum-in-ovo pathological titanosaurid egg throws light on the reproductive biology of sauropod dinosaurs

open access: yesScientific Reports, 2022
Pathologic eggs have been documented in the amniote eggs of birds, turtles, and dinosaurs. These eggs occur either in the form of one egg within another egg, a condition known as ovum-in-ovo or multi-shelled eggs showing additional pathological eggshell ...
Harsha Dhiman   +2 more
doaj   +1 more source

A successful in vitro fertilization outcome in a hermaphrodite male. [PDF]

open access: yesInt J Gynaecol Obstet
International Journal of Gynecology &Obstetrics, Volume 169, Issue 1, Page 424-425, April 2025.
Albasha SEME   +2 more
europepmc   +2 more sources

Hepatitis b virus expression and replication in ovum and the influencing factors

open access: yesThe Saudi Journal of Gastroenterology, 2016
Background/Aim: The aim of this study was to investigate the factors that influence hepatitis B virus (HBV) expression and replication in the ovum.Materials and Methods: Immunohistochemistry and in situ hybridization techniques were used to assay the ...
Ying Kong   +5 more
doaj   +1 more source

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