Results: 5

BPA toxicity during development of zebrafish embryo

Braz. j. biol; 81 (2), 2021
Bisphenol A (BPA) is a monomer used in the production of polycarbonate, a polymer commonly found in plastics, epoxy resins and thermal papers. The presence of BPA in food, water, air and dust has been of great concern in recent years not only due to environmental and ecological issues but also because of...

The human adrenal cortex: growth control and disorders

Clinics; 73 (supl.1), 2018
This review summarizes key knowledge regarding the development, growth, and growth disorders of the adrenal cortex from a molecular perspective. The adrenal gland consists of two distinct regions: the cortex and the medulla. During embryological development and transition to the adult adrenal gland, the ...

Impact of daily variable temperatures in life-history traits of tropical anurans

Rev. biol. trop; 65 (1), 2017
Abstract:Anuran embryos and tadpoles are daily exposed to wide thermal variations in their ponds, with maximum temperatures at midday. The aim of this research was to study the impact of three daily variable thermal environments (with maximum experimental temperatures between 10:00 and 16:00 hours), on t...

O desenvolvimento embrionário da Piapara, Leporinus elongatus (Pisces, Anostomidae), utilizando técnicas de histologia, microscopia eletrônica de varredura e imunológicas empregando marcadores ósseos

Pesqui. vet. bras; 34 (supl.1), 2014
O desenvolvimento embrionário dos peixes é de grande importância para a piscicultura e na reintrodução de espécies ameaçadas de extinção em seus ambientes, e seu conhecimento constitui uma importante maneira para minimizar doenças e mortalidades dessas espécies. Com o auxílio de técnicas com...

Embryotoxicity and anti-implantation effects of Rosemary (Rosmarinus officinalis L.) extract in pregnant rats within preimplantation period

Rev. bras. toxicol; 12 (2), 1999
Previous study made with Rosmarinus officinalis Linné aqueous extract (rosemary) demonstrated that 130 mgkg-1 dose, commonly used as abortive by women, given to pregnant rats during preimplantation period may interfere with embryo implantation, but not disrupt the normal development of conceptus when th...