Buscar
Mostrando ítems 21-30 de 923
Thyroid hormones in male reproductive development: Evidence for direct crosstalk between the androgen and thyroid hormone axes
(Academic Press Inc Elsevier Science, 2013-10-01)
Thyroid hormones (THs) exert a broad range of effects on development in vertebrate species, demonstrating connections in nearly every biological endocrine system. Studies have shown that THs play a role in sexual differentiation ...
Circulating thyroid hormone levels in young pregnant rats and their fetuses: Effect of malnutrition
(Karger, 1989-01-01)
In order to evaluate some factors likely to be involved in the maternal and fetal growth impairment due to alimentary protein deficiency, the circulating levels of triiodothyronine (T 3) and thyroxine (T 4) were studied ...
Análise molecular dos genes PROP1 e HESX1 em pacientes com displasia septo-ótica e/ou deficiência hormonal hipofisária
(2010-01-01)
Objective: The present study aimed at evaluating the PROP1 and HESX1 genes in a group of patients with septo-optic dysplasia (SOD) and pituitary hormone deficiency (combined - CPHD; isolated GH deficiency - GHD). Eleven ...
Luteinizing-hormone-releasing hormone modifies retention of passive and active avoidance responses in rats
(Springer-Verlag, 1985)
The influence of posttraining subcutaneous administration of luteinizing-hormone-releasing hormone (LHRH) was tested on the retention of either active or passive avoidance conditioning in male rats. Injection of LHRH ...
Decrease of labor absenteeism associated with hormone replacement therapy in postmenopausal women Disminución del ausentismo laboral asociado a la terapia de reemplazo hormonal en mujeres postmenopáusicas.
(1995)
Absenteeism affects efficiency and costs of health care. Most of health workers are middle age women, whose climacteric symptoms may reduce their work capacity working at a public hospital in Santiago during 1992. Fifty-eight ...
Effects of smoking on plasma antimüllerian hormone concentrations among infertile women El hábito de fumar se asocia a baja concentración plasmática de hormona antimülleriana en mujeres infértiles
(2013)
Background: Smoking may hamper female fertility, probably modifying ovarian reserve. Antimüllerian hormone (AMH) is an accurate marker for ovarian reserve. Aim: To look for an association between smoking status and plasma ...
The role of juvenile hormone in dominance behavior, reproduction and cuticular pheromone signaling in the caste-flexible epiponine wasp, Synoeca surinama
(BMC, 2014)
Background
The popular view on insect sociality is that of a harmonious division of labor among two morphologically distinct and functionally non-overlapping castes. But this is a highly derived state and ...