Glândula acessória e ducto primário de serpente Bothrops jararaca durante o ciclo de produção de veneno: um estudo morfológico. / Acessory gland and primary duct of the Bothrops jararaca snake during the venom production cycle: a morphological study.

AUTOR(ES)
FONTE

IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia

DATA DE PUBLICAÇÃO

01/11/2011

RESUMO

The accessory gland (AG) and the primary duct (PD) are components of the venom gland apparatus of Bothrops jararaca snake. There are few studies about AG and PD and there is still controversy on whether the secretions released by these regions can modify the total venom. Our results show that AG presents simple secretory epithelium with mucous secretory cells, seromucous cells, mitochondria-rich cells without secretion, horizontal cells, basal cells and dark cells. The PD duct presents pseudo-stratified epithelium with secretory columnar cells with different electrodensity vesicles, mitochondria-rich cells, dark cells, basal cells and horizontal cells. We also observed that the AG and the PD have a long cycle of synthesis and secretion as the main venom gland. Furthermore, we show for the first time that the secretion of AG does not participate in the formation of the whole venom and suggest that the secretion released by PD could contribute to the total venom and this secretion could be the subject of controversy in the literature.

ASSUNTO(S)

accessory gland animal poisons animal reproduction animal secretion glândula acessória morfologia animal morphology reprodução animal secreção animal serpente snake venenos de origem animal

ACESSO AO ARTIGO

Documentos Relacionados