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Topic: Anterior pituitary gland

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	Anterior pituitary - Wikipedia, the free encyclopedia
		The anterior pituitary (also called the adenohypophysis) comprises the anterior lobe of the pituitary gland and is part of the endocrine system.
		The adenohypophysis is a pea-size gland anterior to the neurohypophysis, caudal to the hypothalamus, and sits in the medial aspect of the brain.
		The anterior pituitary is derived from the epithelial ectoderm of the roof of the embryonic mouth.
	en.wikipedia.org /wiki/Anterior_pituitary_gland (277 words)

	Posterior pituitary - Wikipedia, the free encyclopedia
		The posterior pituitary (also called the neurohypophysis) comprises the posterior lobe of the pituitary gland and is part of the endocrine system.
		Despite its name, the posterior pituitary gland is not a gland, per se; rather, it is largely a collection of axonal projections from the hypothalamus that terminate behind the anterior pituitary gland.
		Like the anterior pituitary, this tissue receives its blood supply from the hypophyseal artery, and secretes hormones into the hypophyseal vein.
	en.wikipedia.org /wiki/Neurohypophysis (205 words)

	anterior pituitary (adenohypophysis)
		The increase of anterior pituitary dopamine in aging C57BL/6J female mice is caused by ovarian steroids, not intrinsic pituitary aging.
		Effect of cerebroventricular anterior pituitary grafts on in situ expression of tyrosine hydroxylase in dopaminergic neurons of the aged animal.
		DNA synthesis in the pituitary gland of the rat.
	www.arclab.org /node_pages/507.html (2299 words)

	The Columbia Encyclopedia, Sixth Edition: pituitary gland @ HighBeam Research (Site not responding. Last check: 2007-10-09)
		PITUITARY GLAND [pituitary gland] small oval endocrine gland that lies at the base of the brain.
		It is sometimes called the master gland of the body because all the other endocrine glands depend on its secretions for stimulation (see endocrine system).
		Oversecretion of the pituitary hormone human growth hormone can cause gigantism if it occurs before growth of the long bones is complete, or acromegaly if it begins during adulthood.
	www.highbeam.com /library/doc0.asp?DOCID=1E1:pituitar&refid=ip_encyclopedia_hf (544 words)

	Estrogens sensitize anterior pituitary gland to apoptosis -- Pisera et al. 287 (4): E767 -- AJP - Endocrinology and ...
		in the apoptotic response to acute endotoxemia in this gland.
		is triggered in the anterior pituitary gland and that this response
		apoptosis of anterior pituitary gland in chronically estrogenized
	ajpendo.physiology.org /cgi/content/full/287/4/E767 (3327 words)

	[No title] (Site not responding. Last check: 2007-10-09)
		The pituitary is a pea-sized gland that is connected to the brain.
		The pituitary stalk connects the hypothalamus to the pituitary gland.
		The expanding tumor may also compress the pituitary stalk and interfere with the function of the rest of the pituitary gland.
	www.uchsc.edu /sm/endo/brochures/pituitary_tumors.doc (980 words)

	The Pituitary Gland
		The pituitary gland is sometimes called the "master" gland of the endocrine system, because it controls the functions of the other endocrine glands.
		The pituitary gland is no larger than a pea, located at the base of the brain.
		The gland is attached to the hypothalamus (a part of the brain that affects the pituitary gland) by nerve fibers.
	www.healthsystem.virginia.edu /UVAHealth/adult_endocrin/pitgland.cfm (173 words)

	Cushing's Glossary / Cushing's Help and Support
		It is also called an underactive pituitary gland, is a condition that affects the anterior lobe of the pituitary gland -- usually resulting in a partial or complete loss of functioning of that lobe.
		Because the pituitary gland affects the other endocrine organs, effects of hypopituitarism may be gradual or sudden and dramatic.
		pituitary glands and are short because their growth spurt is late or their parents are relatively short.
	www.cushings-help.com /definitions.htm (6838 words)

	Pituitary dwarfism
		The word pituitary is in reference to the pituitary gland in the body.
		Pituitary dwarfism is caused by problems arising in the pituitary gland.
		A careful balancing of all of the hormones produced by the pituitary gland is necessary for patients with panhypopituitarism.
	www.healthatoz.com /healthatoz/Atoz/ency/pituitary_dwarfism.jsp (1819 words)

	Overview of Hypothalamic and Pituitary Hormones
		The pituitary gland is often portrayed as the "master gland" of the body.
		Such praise is justified in the sense that the anterior and posterior pituitary secrete a battery of hormones that collectively influence all cells and affect virtually all physiologic processes.
		The pituitary gland may be king, but the power behind the throne is clearly the hypothalamus.
	arbl.cvmbs.colostate.edu /hbooks/pathphys/endocrine/hypopit/overview.html (438 words)

	Distribution Analysis of the Two Chicken Estrogen Receptor-Alpha Isoforms and Their Transcripts in the Hypothalamus and ...
		and anterior pituitary gland in cockerels and hens with antibodies
		isoforms 66 and 61 in the anterior pituitary gland of domestic hens.
		Cells containing immunolabeled nuclei are shown in transverse sections of the anterior pituitary gland immunolabeled with the ER 21 and H 222 antibodies.
	www.biolreprod.org /cgi/content/full/65/4/1156 (4777 words)

	Luteinizing hormone secretion by dispersed anterior pituitary gland cells from middle-aged rats. (Site not responding. Last check: 2007-10-09)
		Several studies have shown that a certain subpopulation of middle-aged rats have an attenuated preovulatory LH surge, and that this is an early indicator of a general decline in reproductive cyclicity.
		The pituitary glands of middle-aged animals with attenuated LH surges have been shown to be significantly less responsive to GnRH than those from young (Y) animals.
		The present study was designed to investigate the relationship between the in vivo LH surge and the in vitro secretory capacity of dispersed anterior pituitary gland cells from the same animals.
	www.arclab.org /medlineupdates/abstract_7898637.html (288 words)

	Pituitary Gland
		Anterior Pituitary Gland is a pea-sized gland, also called the hypophysis.
		Although PRL has a dominant effect on the glandular cells, normal development of the mammary glands is regulated by the interaction of a number of hormones.
		7) MSH (melanocyte-stimulating hormone): is released by the intermediate portion of the pituitary gland.
	www.innvista.com /health/anatomy/pituitar.htm (791 words)

	Modulation of Gonadotropin Levels by Peptides Acting at the Anterior Pituitary Gland -- Evans 20 (1): 46 -- Endocrine ...
		of peptides from the hypothalamus to the anterior pituitary
		LH release from anterior pituitary gland tissue in vitro in
		in the pituitary gland in rats (220) and in humans (100).
	edrv.endojournals.org /cgi/content/full/20/1/46 (8521 words)

	Nutrition Reviews: regulation of the thyroid-stimulating hormone of the anterior pituitary gland by thyroid hormone and ... (Site not responding. Last check: 2007-10-09)
		Thyroid-stimulating hormone, TSH, of the anterior pituitary gland is regulated by the binding of the thyroid hormone-activated thyroid receptor to the TSH gene at the same time as the binding of the 9-cis-retinoic acid-activated retinoid X receptor to the same gene.
		An unintended side effect of this treatment was a twofold decrease in the patients' serum free thyroxine level and a 40-fold decrease in their serum TSH level, with symptoms of hypothyroidism appearing in 19 of the patients.
		The anterior pituitary hormone TSH consists of two noncovalently bound glycoprotein subunits-TSHa, common to all anterior pituitary hormones, and TSHP, unique to the thyrotropic cells of the anterior pituitary.
	www.findarticles.com /p/articles/mi_qa3624/is_200211/ai_n9153133 (1201 words)

	Pathology of the pituitary gland in patients with the acquired immune deficiency syndrome (AIDS).
		Pathology of the pituitary gland in patients with the acquired immune deficiency syndrome (AIDS).
		The pituitary gland was examined at autopsy in 88 patients who died with acquired immune deficiency syndrome (AIDS) or AIDS-related complex (ARC).
		Pathologic findings included focal to widespread necrosis and/or fibrosis of the anterior pituitary gland in 10 cases, evidence of cytomegalovirus infection without an apparent inflammatory component in the anterior pituitary in 3 cases, and microglial nodules in the pars nervosa in 5 cases.
	www.aegis.com /aidsline/1989/apr/M8940261.html (394 words)

	Department of Poultry Science at Penn State
		The functional role of hypothalamic neuronal systems and anterior pituitary gland will be studied as they relate to control of ovarian function at the organismal, cellular, and molecular levels.
		Standardized application of immunohistochemistry, and in situ hybridization histochemistry to study hormone-producing cells of the anterior pituitary gland in turkey hens and in broiler chickens.
		Found that Pit-1, a nuclear transcription factor necessary for transcription of growth hormone--prolactin-- and thyroid-stimulating hormone genes, is absent in prolactin cells while it is present in growth hormone cells in the turkey anterior pituitary gland.
	poultry.cas.psu.edu /people/Ramesh.htm (834 words)

	Anterior Pituitary
		The anterior lobe of the pituitary is glandular tissue and produces multiple hormones.
		Some of these anterior pituitary hormones induce other glands to secrete their hormones.
		The rise in blood levels of the hormones produced by the final target glands (for example, the ovary or thyroid) inhibits the release of anterior pituitary hormones.
	www.rnceus.com /hormone/antpit.html (529 words)

	Dr. Schilling's Net Health Book - Sheehan Syndrome
		As the prolactin secreting cells are often damaged, there is a low prolactin level and the breast tissue is not stimulated to produce milk even though the hypothalamus may have sent the right signals to turn prolactin secretion on.
		The pathologist would see an infarct in the cut pituitary gland, also called a pituitary apoplexy, of a woman who died from this disease.
		of a pituitary gland that had an infarct in the past and shows as a yellow scar on the upper image.
	www.nethealthbook.com /sheehansyndrome.html (360 words)

	Long-Term Transgene Expression within the Anterior Pituitary Gland in Situ: Impact on Circulating Hormone Levels, ...
		Fourteen days after virus infection the AP glands were removed, embedded in paraffin wax, sectioned, and double-labeled for HSV1-TK and individual hormones using immunofluorescence techniques.
		After 14 days AP glands were removed, embedded in paraffin wax, sectioned, and double-labeled for HSV1-TK and hormones using immunofluorescence techniques.
		response was observed in pituitary tissue postvirus injections.
	endo.endojournals.org /cgi/content/full/142/1/464 (5553 words)

	Annexin 1-Dependent Actions of Glucocorticoids in the Anterior Pituitary Gland: Roles of the N-Terminal Domain and ...
		Annexin 1-Dependent Actions of Glucocorticoids in the Anterior Pituitary Gland: Roles of the N-Terminal Domain and Protein Kinase C -- John et al.
		1) the increases in pituitary peptide release induced by forskolin
		PRL release from rat anterior pituitary cells (54).
	endo.endojournals.org /cgi/content/full/143/8/3060 (6437 words)

	pituitary gland -> Pituitary Hormones on Encyclopedia.com 2002 (Site not responding. Last check: 2007-10-09)
		The effects of trauma on the volume of the pituitary gland.
		PITUITARY GLAND PROBLEM IS HELPED BY NASAL SPRAY
		UC San Diego Team Reviews Pituitary Gland Development -- From a Common Primordium to Distinct Cell Types.
	www.encyclopedia.com /html/section/pituitar_pituitaryhormones.asp (542 words)

	Pituitary Gland
		gland to stimulate the release of its hormones and to
		The pituitary is a small, pea-sized gland located at
		gland, it actually consists of two separate glands, the
	www.tpub.com /content/medical/14295/css/14295_52.htm (305 words)

	eMedicine - Hyperprolactinemia : Article Excerpt by: Donald Shenenberger, MD, FAAFP
		Prolactin is a 198 amino acid protein (23-kD) produced in the lactotroph cells of the anterior pituitary gland.
		Estrogen stimulates the proliferation of pituitary lactotroph cells, resulting in an increased quantity of these cells in premenopausal women, especially during pregnancy.
		Prolactinoma is less common in men than in women, typically presenting as an incidental finding on a brain CT scan or MRI, or with symptoms of tumor mass effect.
	www.emedicine.com /med/byname/hyperprolactinemia.htm (501 words)

	eMedicine - Hyperprolactinemia : Article by Donald Shenenberger, MD, FAAFP (Site not responding. Last check: 2007-10-09)
		In patients with nonprolactinoma tumors (masses that are compressing the pituitary stalk), medical treatment reduces serum prolactin levels but does not reduce tumor size.
		Dopaminergic neurons in tuberoinfundibular processes modulate the secretion of prolactin from the anterior pituitary by secreting a prolactin inhibitory factor, believed to be dopamine.
		Biller MKB, Daniels GH: Neuroendocrine regulation and diseases of the anterior pituitary and hypothalamus.
	www.emedicine.com /med/topic1098.htm (2633 words)

	Hypothalamus and Pituitary (Site not responding. Last check: 2007-10-09)
		The Hypothalamus and Pituitary Gland: Introduction and Index
		The target cells for most of the hormones produced in these tissues are themselves endocrine cells, and a seemingly small initial signal is thus amplified to cause widespread effects on many cells and tissues.
		Anterior Pituitary Hormones and Their Releasing and Inhibiting Hormones
	arbl.cvmbs.colostate.edu /hbooks/pathphys/endocrine/hypopit (174 words)

	Neurotensin in the rat anterior pituitary gland (Site not responding. Last check: 2007-10-09)
		Here we report that the NTLI present in the anterior pituitary gland of the rat is indistinguishable from synthetic neurotensin, using two chromatographic systems.
		It is localized in cells from which it can be released by depolarization in a calcium-dependent manner.
		The neurotensin content of the anterior pituitary in vivo was dramatically reduced after 'chemical thyroidectomy' induced by propylthiouracil treatment.
	www.nature.com /cgi-taf/DynaPage.taf?file=/nature/journal/v298/n5870/abs/298163a0.html (377 words)

	3184E Equine Endocrine System (Site not responding. Last check: 2007-10-09)
		Obtain the brain of a horse from a local rendering plant, dissect the brain and locate the anterior and posterior pituitary glands.
		Assists with the maintenance of the thyroid gland.
		Influences the mammary glands and the genital tract.
	www.agriscience.msu.edu /3000/3180/3184/3184E/3184E.htm (246 words)

	Find in a Library: The Anterior pituitary gland
		Find in a Library: The Anterior pituitary gland
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	www.worldcatlibraries.org /wcpa/ow/f0147eb4dc7895e6.html (37 words)

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