Argininemia is a rare hereditary disease due to a deficiency of hepatic arginase, which is the last enzyme of the urea cycle and hydrolyzes arginine to ornithine and urea. The onset of the disease is usually in childhood, and clinical manifestations include progressive spastic paraparesis and mental retardation. Liver involvement is less frequent and usually not as severe as observed in other UCDs. For this rea...
As possíveis etiologias associadas a hidropisia fetal não imune e colestase neonatal são numerosas. A investigação destas situações, mesmo quando exaustiva, nem sempre permite estabelecer um diagnóstico etiológico. A abordagem clínica deverá assentar na exploração minuciosa dos dados da anamnese e do exame objectivo. A realização de exames complementares deve ser orientada pela clínica, tendo por objectivo iden...
2009
2008 ; Disponível também on-line.
The objective of this work was to evaluate the influence of weeding frequency on cultivar Centralmex green corn yield. Two experiments were conducted in Mossoró-RN (Brazil), with the use of sprinkler irrigation. A random block design with four replicates was used. It was observed that the total number and weight (TW) of unhusked green ears, the number and weight of marketable unhusked ears and the number and we...
Differing from the studied Eutheria the white belly opossum Peyer"s patches do not present a conspicous dome. M cells are located in the inmer layer of bilaminal invaginations formed at the bottom of the villi. A great variation in the morphology of M cells was observed. The enterocytes located at the epithelial inner layer may present endocytic vesicles, and the microvilli are shorter tha the microvilli of ent...
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