After the Klinefelter syndrome, Y chromosome microdeletions are the second most frequent genetic cause of spermatogenic failure resulting in male infertility. Y chromosome microdeletions, encompassing one or more of the three AZF regions, are associated with diverse testicular histology, ranging from Sertoli-cell-only syndrome (AZFa del), maturation arrest (AZFb del) to hypospermatogenesis (AZFc del). The molec...
Theobroma deriva do grego e significa alimento dos deuses. De acordo com Coe e Coe, a domesticação do cacaueiro terá sido realizada na América Central pela civilização Olmeca, sendo considerada uma dádiva dos deuses. O "ouro castanho" despertou um crescente interesse entre os diferentes povos, que lhe atribuíam um variado conjunto de propriedades terapêuticas, tendo algumas delas prevalecido até à actualidade. ...
BACKGROUND: Lichen planus is an idiopathic inflammatory disease of the skin and mucous membranes. Although the etiology is not established, it has been associated with autoimmune diseases, viral infections, drugs and dental restoration materials. However, the association with inflammatory bowel disease has been very rarely reported in the literature. CASE REPORT: A 19-year-old female patient presented with ann...
Breastfeeding is the best way of feeding the baby for the first six months of life. However, in Portugal the abandonment rate of breastfeeding is very high during the baby first's months of life. The aim of this study was to assess prevalence of breastfeeding and to identify related factors during the six months after delivery, as socio demographic variables and life styles. We conducted a cohort study at the M...
No desenvolvimento e fabricação de revestimentos cerâmicos, propriedades tecnológicas são determinadas basicamente pela combinação de matérias-primas e condições de processamento. Quando os parâmetros de processo são mantidos constantes, a técnica de delineamento de misturas pode ser usada para modelar essas propriedades em corpos cerâmicos. Neste trabalho, foram selecionadas dez formulações constituídas por um...
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