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Permethrin-induced morphological changes in oocytes of Rhipicephalus sanguineus (Acari: Ixodidae) semi-engorged females
(Pergamon-Elsevier B.V. Ltd, 2010-03-01)
The permethrin, active ingredient of the Advantage (R) Max3 - Bayer, has been widely used in the chemical control of ticks. These ectoparasites are one of the most important animal groups that cause serious damage to their ...
Ultrastructural Morphology and Nuclear Maturation Rates of Immature Equine Oocytes Vitrified with Different Solutions and Exposure Times
(Elsevier B.V., 2014-05-01)
Ultrastructural morphological injuries and maturation rates were investigated in equine oocytes exposed to vitrification solutions (VS) containing synthetic ice blockers (SIBs) during different exposure times. In experiment ...
Female reproductive system of the sugarcane spittlebug Mahanarva fimbriolata (Auchenorrhyncha): Vitellogenesis dynamics and protein quantification
(Elsevier B.V., 2007-01-01)
The present study aimed describing the ovaries of the sugarcane spittlebug Mahanarva fimbriolata which are meroistic telotrophic with nurse cells and oocytes located in the tropharium. SEM revealed paired ovaries located ...
Female reproductive system of the sugarcane spittlebug Mahanarva fimbriolata (Auchenorrhyncha): Vitellogenesis dynamics and protein quantification
(Elsevier B.V., 2007-01-01)
The present study aimed describing the ovaries of the sugarcane spittlebug Mahanarva fimbriolata which are meroistic telotrophic with nurse cells and oocytes located in the tropharium. SEM revealed paired ovaries located ...
Female gonad morphology and maturation in Centropages furcatus (Dana, 1852)
(Invertebrate Reproduction & Development, 2009)
Centropages furcatus is a dominant species of the planktonic community in the Ensenada de La Paz, Baja California Sur, Mexico. Little is known about gonad morphology and maturation of thisspecies, and that knowledge is key ...
Oocyte maturation in the sloth's giant tick Amblyomma varium (Acari: Ixodidae) in an ecological context
(Springer, 2014-12-01)
The sloth's giant tick Amblyomma varium Koch, which is a neotropical species that inhabits tropical rainforests, is the largest tick reported to date. The adult stage of this tick parasitizes mammals from the families ...
Automatic counting and measuring fish oocytes from microscopic images
(Universidade de São Paulo – USPEscola de Engenharia de São Carlos – EESC/USPSão Carlos, 2015-10)
Fish oocyte counting and measuring is an important step for estimating fecundity, which is normally done by analyzing oocytes’s diameters frequency distribution, taking a long time to be done manually and is a laborious ...
Prospective randomized comparison of human oocyte cryopreservation with slow-rate freezing or vitrification
(ELSEVIER SCIENCE INC, 2010)
Objective: To compare cryopreservation of mature human oocytes with slow-rate freezing and vitrification and determine which is most efficient at establishing a pregnancy. Design: Prospective randomized. Setting: Academically ...