24Nov, 2018

Paracrine function of the testicle

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-Definition A paracrine action is that which is exerted in the nearby cellular environment, as opposed to endocrine which is a system of chemical signals whose action is exerted at a distance in other organs or glands. There is also the intracrine or autocrine action that acts inside the same kind of cell. In the testicle we can find three types of tissues with different characteristics and of different embryonic origin: interstitial, tubular and tunic. In the interstitial tissue there are Leydig cells, macrophages and also blood and lymphatic vessels. […]
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24Nov, 2018

Importance Of Interferon In Fertility

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-Definition Interferons are proteins or glycoproteins produced by different cell types in response to various stimuli, including viral infections. Three classes of interferons are distinguished according to their structural and biological characteristics: interferon alpha or leukocyte type, interferon beta or fibroblastic type and interferon gamma or immune type, produced by T lymphocytes and natural killer cells. Interferons α, of which several subtypes have been identified, are non-glycosylated polypeptides, while interferons beta, gamma and kappa are glycosylated polypeptides. Alpha and beta interferons are produced by monocytes, leukocytes, lymphocytes in response to […]
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9Nov, 2018

Mumps and hypogonadism

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-Definition Mumps, commonly referred to as mumps, is the inflammation of salivary glands called parotids located behind the ascending branches on both sides of the jaw and is produced by an RNA virus belonging to the paramyxovirus family. It is one of the most common notifiable viral infections. The only reservoir is the human being and the transmission is aerial so the outbreaks occur mainly in closed places. Although the infection is asymptomatic in a third of cases, the most frequent clinical manifestation is inflammation of the parotid or other […]
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9Nov, 2018

Hemochromatosis and hypogonadism

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-Definition Too much iron in the blood can lead to testicular failure or pituitary dysfunction, which affect testosterone production. Pituitary and testicular involvement is the cause of loss of menstruation in women or loss of libido and impotence in men. Hypothyroidism may be observed, in addition to affecting various organs. -Causes of the disease Congenital Hereditary hemochromatosis is the most common genetic disease in the West, affecting 1 in 200 people. All studies have shown its higher prevalence in Caucasian and Celtic individuals. The inheritance of the disease is autosomal […]
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