ePub The Pineal Gland: Endocrine Aspects download
by G. M. Brown
Endocrine glands are ductless glands of the endocrine system that secrete their products, hormones, directly into the blood.
Endocrine glands are ductless glands of the endocrine system that secrete their products, hormones, directly into the blood. The major glands of the endocrine system include the pineal gland, pituitary gland, pancreas, ovaries, testes, thyroid gland, parathyroid gland, hypothalamus and adrenal glands. The hypothalamus and pituitary glands are neuroendocrine organs.
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The pineal gland has been a subject of interest and speculation for more than 2000 years G. M. Brown, L. J. Grota, L. Harvey, H. W. Tsui, S. F. Pang.
The pineal gland has been a subject of interest and speculation for more than 2000 years. G. Differential Localization of Melatonin and N-Acetylserotonin in Brain. Brown, O. Pulido, L. P. Niles, S. Psarakis, A. Porietis, G. A. Bubenik et al. Pages 257-276. Melatonin Action: Sites and Possible Mechanisms in Brain.
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The pineal gland, conarium, or epiphysis cerebri, is a small endocrine gland in the brain of most vertebrates. The pineal gland produces melatonin, a serotonin-derived hormone which modulates sleep patterns in both circadian and seasonal cycles. The shape of the gland resembles a pine cone from which it derived its name. The pineal gland is located in the epithalamus, near the center of the brain, between the two hemispheres, tucked in a groove where the two halves of the thalamus join.
Endocrine component of Glands with both an Endocrine and an Exocrine Function
Endocrine component of Glands with both an Endocrine and an Exocrine Function. These include the kidney, pancreas and gonads. And finally, there is a Diffuse Neuroendocrine system, which includes APUD cells. This topic only covers the Discrete Endocrine Glands; - pituitary, thyroid parathyroid and adrenal glands. The pineal gland - a small gland 6-8mm long is found in the brain, close to the hypothalamus, and is a photoreceptor organ, which is stimulated by information received via the retina, that secretes the hormone melatonin, which appears to regulate the circadian rhythms of the body. Secretions of this hormone at night, cause a hypnotic effect.
In The Pineal Gland: Endocrine Aspects (ed. Brown, G. & Wainwright, S., pp. 277–282. Journal of Clinical Endocrinology and Metabolism 42, 752–764. Waldhauser, . Weissenbacher, . Zeitlhuber, . Frisch, H. & Wurtman, . (1984). Pergamon Press: Oxford. Fall in nocturnal serum melatonin levels during prepuberty and pubescence.
The pineal gland (epiphysis cerebri) has an important role in the sleep/wake daily cycle (circadian), high melatonin plasma levels at nighttime and very low levels at daytime, and reproductive development. The gland is thought to evolutionarily to have been positioned as to be exposed to light, and hence remains a regulator of cyclic rhythms associated with day/night and day length. The pineal hormone (melatonin) has targets both in the nervous system and in many different peripheral tissues.
Today the pineal gland is recognized as an active functioning neuroendocrine organ that responds primarily to photic stimuli (and secondarily to hormonal signals originating in target tissues), exhibits circadian rhythms, an. .
Today the pineal gland is recognized as an active functioning neuroendocrine organ that responds primarily to photic stimuli (and secondarily to hormonal signals originating in target tissues), exhibits circadian rhythms, and influences the metabolic activity of a host of endocrine glands. By means of teledischarge techniques from the database MEDLINE we selected those documents that contained in their title one or several of the following descriptors: pineal, epiphys or melatonin, in addition to the descriptor pineal-body in the MESH (Medical Subject Headings) section.
The pineal gland is the most mysterious organ in the endocrine system
The pineal gland is the most mysterious organ in the endocrine system. It is influenced by light and produces the hormone melatonin, which affects your circadian rhythm and sleep cycles. Pineal Gland Essentials. Of the endocrine organs, the function of the pineal gland was the last discovered. Located deep in the center of the brain, the pineal gland was once known as the third eye.
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