what is the function of the anterior lobe of the pituitary gland?
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The anterior lobe makes up about 80% of the pituitary gland. It regulates growth, metabolism, and reproduction through the hormones that it produces. The production of these hormones is either stimulated or inhibited by chemical messages sent from the hypothalamus to the pituitary.
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The hypothalamus contains gonadotropin-releasing hormone (GnRH) neurons which secrete pulsatile GnRH into the hypophyseal portal blood system through which it is transported to the anterior pituitary gland.
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The pituitary (hypophyseal) fossa or sella turcica is a midline, dural lined structure in the sphenoid bone, which houses the pituitary gland.
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Growth hormone (GH) is an ancestral hormone secreted episodically from somatotroph cells in the anterior pituitary.
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The hypothalamus is known as the master switchboard because it's the part of the brain that controls the endocrine system. The pituitary gland, which hangs by a thin stalk from the hypothalamus, is called the master gland of the body because it regulates the activity of the endocrine glands.
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-GH is produced by somatotropes which are the most abundant cell type in the anterior pituitary. Corticotropes, thyrotropes,gonadotropes lactotropes. -GH affects almost all tissues of the body. -GH increases protein synthesis, mobilization of fatty acids, increases growth of bone, decreases rate of glucose utilization.
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The pituitary gland is a part of your endocrine system. Its main function is to secrete hormones into your bloodstream. These hormones can affect other organs and glands, especially your: thyroid.
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Brain Structure and Function. Frontal Lobe: most anterior, right under the forehead; the frontal lobe controls intellectual activities, such as the ability to organize, as well as personality, behavior, and emotional control.
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The hypothalamus–pituitary complex is located in the diencephalon of the brain. ... The posterior lobe houses the axon terminals of hypothalamic neurons. It stores and releases into the bloodstream two hypothalamic hormones: oxytocin and antidiuretic hormone (ADH).
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The anterior pituitary produces seven hormones. These are the growth hormone (GH), thyroid-stimulating hormone (TSH), adrenocorticotropic hormone (ACTH), follicle-stimulating hormone (FSH), luteinizing hormone (LH), beta endorphin, and prolactin.
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GnRH is a hormone produced in the hypothalamus region of the brain. GnRH moves through the bloodstream to the pituitary gland. There, it binds to certain receptors. Those receptors signal the pituitary gland to create two more hormones: LH and follicle-stimulating hormone (FSH).
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The glands of the endocrine system secrete hormones to regulate normal body functions. The hypothalamus serves as the interface between the nervous system and the endocrine system, and it controls the secretions of the pituitary. The pituitary serves as the master gland, controlling the secretions of all other glands.
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What is growth hormone? Growth hormone is released into the bloodstream from the anterior pituitary gland. The pituitary gland also produces other hormones that have different functions from growth hormone. Growth hormone acts on many parts of the body to promote growth in children.
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The HFA cortex is an active endocrine organ in which most steroidogenic activity is exerted in a specialized cortical compartment known as the fetal zone (FZ), a unique feature of fetal adrenals in humans and some higher primates but not in other species such as rodents and sheep.
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The pituitary gland also secretes growth hormone, during sleep, which plays a role in physical growth and maturation as well as other metabolic processes (Bartke, Sun, & Longo, 2013). The pineal and pituitary glands secrete a number of hormones during sleep.
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Function. The diencephalon is the region of the embryonic vertebrate neural tube that gives rise to anterior forebrain structures including the thalamus, hypothalamus, posterior portion of the pituitary gland, and the pineal gland.
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Pituitary Gland The pituitary is often called the "master gland" because it controls the secretion of hormones. The pituitary is responsible for controlling and coordinating the following: Growth and development.