نتایج جستجو برای: gonado
تعداد نتایج: 125 فیلتر نتایج به سال:
The growth pattern and reproductive biology of Acanthopagrus latus were studied to derive information required for their management in the south part of Iran, Persian Gulf. Samples collected monthly from October 2014 to September 2015. Parameter values of the Von Bertalanffy growth function fit to length frequency data (males and females combined) were estimated as k = 0.23 per year, L∞ =50.4 c...
Phthalates, plasticizing chemicals, are top-rated environmental contaminants. Diethyl phthalate (DEP), a chief member of this family, was declared potent endocrine disruptor and carcinogen in animals humans. The current study designed to explore the probable reproductive damage induced by DEP therapeutic efficacy raw honey male albino mice. Four-week-old 50 mice were randomized equally five gro...
The AP-2 family of transcriptional regulator proteins has three members, alpha, beta and gamma. AP-2alpha and gamma are expressed in placenta and in the human trophoblast cell line JEG-3. AP-2 has been shown to regulate expression of the placental human chorionic gonado-tropin (hCG) alpha- and beta-subunit genes, however, previous work did not distinguish between the family members. Tryptic pep...
Correspondence: Ekaterina Pavlova Institute of Experimental Morphology, Pathology and Anthropology with Museum, BAS, Acad. G. Bonchev Str., Bl. 25, 1113 Sofia, Bulgaria. Tel.: +359 2 979 2336 e-mail: [email protected] ABSTRACT Sodium nitrite (NaNO2) is an inorganic salt with various industrial applications. In the circulation NaNO2 oxidizes hemoglobin to methemoglobin, which is incapable of t...
Walleye pollock, Theragra chalcogramma, is the most commercially important species in the eastern Bering Sea. Estimates of maturity are critical for setting an appropriate harvest rate for pollock spawning biomass, and correct classification of ovaries into a maturity condition is necessary for accurate estimation of maturity. Data on length, weight, and ovary weight and condition were collecte...
MAMMALS, as a rule, are described as having melanocytes of neural crest origin confined almost entirely to the skin. Of the organs other than skin which have been described as possessing melanocytes are portions of the gonado-genital apparatus of the Opossum (Burns, 1939), and, in the house mouse, tissues of the nictitans, the meninges of the brain, the parathyroids, the thymus and harderian gl...
Ribbonfish, Trichiurus lepturus (Linnaeus, 1758), is an important component of subsistence fisheries throughout its tropical and subtropical distribution. The catch rate of ribbonfish has increased seven-fold in a decade in the Persian Gulf and Oman Sea. We collected monthly biological samples from T. lepturus, to estimate growth and mortality parameters, and identify species reproductive patte...
Fecundity of Shah-Koolee in the Sefidrood river, which is one of the economic and popular fishes in northern part of Iran, was studied. From April to August 2000, 539 Shah-Koolee fishes were caught at the specific station in the Sefidrood river from the sea shore to Kisum. Seventy one samples of unspawned fishes were taken, the primary biometry was performed, specimens of the different parts of...
Background: The male antifertility activity of Gossypol, the active ingredient of cotton seed, inspired the idea for development of an agent with male contraceptive activity. The result of subsequent studies lead to the discovery of several class of compounds with antifertility activity. In this study the antifertility activity of iso-Propyl and iso-Butyl derivatives of dihydropridine were ev...
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