Despite the wealth of anatomical data on the rat BLA, relatively little is known about the physiology of. Primary among these are acetylcholine (ACh) and $\gamma$-aminobutyric acid (GABA). Numerous studies using biochemical and immunohistochemical techniques have demonstrated the existence of a large number of potential neuroregulatory substances in the rat basolateral amygdaloid nucleus (BLA). The results showed that the proestrus, estrus and diestrus phases were more favorable for the development of the endometrial implants in female rats, when compared to the metaestrus phase. The collected material was fixated in Boüin's liquid and processed for inclusion in paraplasts. The histologic analysis of the implants was accomplished by means of light microscopy, using Hematoxilin-Eosin (H-E) and Mallory's Trichrome staine. animal rearing facilities of the Department of Morphology and Animal Physiology of UFRPE, which were submitted to the induction of the endometriosis. Sixteen albino female rats were used (Rattus norvegicus albinus), of the lineage Wistar with 90 days of age, obtained from the lab. The present research was aimed to morphologically analyze the endometrial implant sites of on the external area of the musculature of the abdominal wall of female rats, during the estral cycle.
ABSTRACT HISTOLOGICAL EVALUATION OF ENDOMETRIOSIS IN RATS, DURING THE PHASES OF THE ESTROUS CYCLE. PALAVRAS-CHAVE: Útero, endometriose, ciclo estral. Os resultados mostraram que as fases de proestro, estro e diestro foram mais favoráveis para o desenvolvimento dos implantes endometriais em ratas, quando comparadas ao metaestro. O material coletado foi fixado em líquido de Boüin e processado para inclusão em "paraplast". A análise histológica dos implantes foi realizada por meio da microscopia de luz, utilizando-se técnicas de colorações pela Hematoxilina -Eosina (H-E) e pelo Tricrômico de Mallory. UFRPE, as quais foram submetidas à indução da endometriose. Para tanto foram utilizadas 16 ratas albinas (Rattus norvegicus albinus), da linhagem Wistar com 90 dias de idade, obtidas do biotério do Departamento de Morfologia e Fisiologia Animal da. RESUMO A presente pesquisa teve como objetivo analisar morfologicamente os sítios de implantes endometriais sobre a região externa da musculatura da parede abdominal anterior de ratas, durante o ciclo estral.
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