hypothalamic-pituitary effect - ορισμός. Τι είναι το hypothalamic-pituitary effect
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Τι (ποιος) είναι hypothalamic-pituitary effect - ορισμός

SYSTEM OF ENDOCRINE GLANDS
HPGA; HPG axis; HPO axis; Hypothalamic-pituitary-ovarian axis; Hypothalamic-pituitary-gonadal axis; HPTA axis; Hypothalamic–pituitary-gonadal axis; Ovarian suppression; Hypothalamic–pituitary-ovarian/testicular axis; Hypothalamic-pituitary-ovarian/testicular axis
  • Hypo gonadal axis
  • HPG regulation in males, with the inhibin/activin system playing a similar role on GnRH-producing cells.

Hypothalamicpituitary–gonadal axis         
The hypothalamicpituitary–gonadal axis (HPG axis, also known as the hypothalamicpituitary–ovarian/testicular axis) refers to the hypothalamus, pituitary gland, and gonadal glands as if these individual endocrine glands were a single entity. Because these glands often act in concert, physiologists and endocrinologists find it convenient and descriptive to speak of them as a single system.
Hypothalamicpituitary–somatotropic axis         
Hypothalamic-pituitary-growth axis; Hypothalamic–pituitary–growth axis; Hypothalamic-pituitary-somatic axis; HPS axis; Hypothalamic–pituitary–somatic; Hypothalamic-pituitary-somatic; Hypothalamic-pituitary-growth; Hypothalamic–pituitary–growth; Hypothalamic–pituitary–somatic axis; Hypothalamic-pituitary-somatotropic axis; Hypothalamic-pituitary-somatotropic; Hypothalamic–pituitary–somatotropic
The hypothalamicpituitary–somatotropic axis (HPS axis), or hypothalamicpituitary–somatic axis, also known as the hypothalamicpituitary–growth axis, is a hypothalamicpituitary axis which includes the secretion of growth hormone (GH; somatotropin) from the somatotropes of the pituitary gland into the circulation and the subsequent stimulation of insulin-like growth factor 1 (IGF-1; somatomedin-1) production by GH in tissues such as, namely, the liver. Other hypothalamicpituitary hormones such as growth hormone-releasing hormone (GHRH; somatocrinin), growth hormone-inhibiting hormone (GHIH; somatostatin), and ghrelin () are involved in the control of GH secretion from the pituitary gland.
Hypothalamicpituitary hormone         
HORMONES THAT ARE PRODUCED BY THE HYPOTHALAMUS AND PITUITARY GLAND
Pituitary hormones; Hypothalamic-pituitary axis; Pituitary hormone; Hypothalamic-pituitary hormone; Hypothalamic–pituitary axis; Hypothalamic–pituitary axes; Hypothalamic–pituitary hormones; Hypothalamic–pituitary; Hypothalamic-pituitary; Hypothalamic-pituitary hormones; Hypothalamic-pituitary axes; Hypothalamic–pituitary–glandular; Hypothalamic–pituitary–glandular axis; Hypothalamic–pituitary–glandular axes; Hypothalamic–pituitary–glandular hormones; Hypothalamic-pituitary-glandular hormones; Hypothalamic-pituitary-glandular hormone; Hypothalamic-pituitary-glandular axis; Hypothalamic-pituitary-glandular axes; Hypothalamic-pituitary-glandular
Hypothalamicpituitary hormones are hormones that are produced by the hypothalamus and pituitary gland. Although the organs in which they are produced are relatively small, the effects of these hormones cascade throughout the body.

Βικιπαίδεια

Hypothalamic–pituitary–gonadal axis

The hypothalamic–pituitary–gonadal axis (HPG axis, also known as the hypothalamic–pituitary–ovarian/testicular axis) refers to the hypothalamus, pituitary gland, and gonadal glands as if these individual endocrine glands were a single entity. Because these glands often act in concert, physiologists and endocrinologists find it convenient and descriptive to speak of them as a single system.

The HPG axis plays a critical part in the development and regulation of a number of the body's systems, such as the reproductive and immune systems. Fluctuations in this axis cause changes in the hormones produced by each gland and have various local and systemic effects on the body.

The axis controls development, reproduction, and aging in animals. Gonadotropin-releasing hormone (GnRH) is secreted from the hypothalamus by GnRH-expressing neurons. The anterior portion of the pituitary gland produces luteinizing hormone (LH) and follicle-stimulating hormone (FSH), and the gonads produce estrogen and testosterone.

In oviparous organisms (e.g. fish, reptiles, amphibians, birds), the HPG axis is commonly referred to as the hypothalamus-pituitary-gonadal-liver axis (HPGL-axis) in females. Many egg-yolk and chorionic proteins are synthesized heterologously in the liver, which are necessary for ovocyte growth and development. Examples of such necessary liver proteins are vitellogenin and choriogenin.

The HPA, HPG, and HPT axes are three pathways in which the hypothalamus and pituitary direct neuroendocrine function.