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The pituitary gland and hypothalamus
The pituitary gland and hypothalamus

... The neurons that synthesize and store the various hypothalamic releasing hormones have been identified by immunocytochemistry (a specific staining technique that identifies substances by their immunological reactivity). Most of the releasing hormones seem to be produced by relatively discrete groups ...
clinical disorders of pituitary
clinical disorders of pituitary

... Is a syndrome due to excess cortisol from pituitary, adrenal or other sources (exogenous glucocorticoids, ectopic ACTH, etc.) ...
Pharmacology and the Nursing Process, 4th ed. Lilley/Harrington
Pharmacology and the Nursing Process, 4th ed. Lilley/Harrington

... Carcinoid tumors secrete VIP (vasoactive intestinal polypeptide)  VIP causes profuse, watery diarrhea  Octreotide reduces this severe diarrhea, flushing, and potentially life-threatening hypotension that may occur with a carcinoid crisis  Also used for the treatment of esophageal varices ...
Gonadotropin-releasing hormone
Gonadotropin-releasing hormone

... pancreas and in the intestine where it inhibits the secretion of a variety of other hormones.. ...
Neuroanatomy Ch 17 792-805 [4-20
Neuroanatomy Ch 17 792-805 [4-20

... -neurons in these nuclei can release vasopressin in areas other than posterior pituitary ...
Transcripts/3_9 2
Transcripts/3_9 2

... these hormones travel down the hypothalamic axons to the posterior pituitary where the nerve terminals actually release the hormones. b. Since the posterior pituitary is one of those circumventricular organs where there is no blood brain barrier, the vasopressin and OT that is released from these hy ...
Endocrine Physiology lecture 3
Endocrine Physiology lecture 3

...  Both are synthesized in the cell bodies of hypothalamic neurons  ADH: supraoptic nucleus  Oxytocin: paraventricular nucleus  Both are synthesized as preprohormones and processed into nonapeptides (nine amino acids).  They are released from the termini in response to an action potential which t ...
Document
Document

... messengers (cAMP). (Hormones that can not penetrate the membrane). Act on the genetic apparatus of the cell (nucleus, DNA) and promote the synthesis of enzymes (Steroid and thyroid hormones). ...
Hypothalamus and Visceral Function
Hypothalamus and Visceral Function

... Neurohypophysial hormones are synthesized in neuronal cell bodies Hormones are transported to axon terminals by axoplasmic transport Hormones are stored in neurosecretory vesicles Hormones are released from secretory granules by neurosecretion a. Depolarization of axon terminal following action pote ...
Endocrine Issues in Critical Care
Endocrine Issues in Critical Care

... Responds to changes in plasma osmolality, decreased BP, decreased volume Secreted hormones produced in the hypothalamus and stored in the pituitary Produces the hormones – Antidiuretic hormone (vasopressin) Water conservation ...
MCQs endoc practice
MCQs endoc practice

... 007. Hypothalamic and pituitary hormones (and their synthetic analogs) have pharmacologic applications in three areas, EXCEPT the following: a) As replacement therapy for hormone deficiency states b) As drug therapy for a variety of disorders using pharmacologic doses to elicit a hormonal effect tha ...
Posterior pituitary gland
Posterior pituitary gland

... hypothalamus (glial-type cells) ...
hypothalamo-Pituitary axis and regulatory mechanisms
hypothalamo-Pituitary axis and regulatory mechanisms

...  Posterior pituitary originates from hypothalamus (glial-type cells) ...
Pituitary Gland
Pituitary Gland

... well as their hormonal and reproductive activities ...
Endocrine - Porterville College Home
Endocrine - Porterville College Home

... Anti-diuretic Hormone (ADH) Vasopressin • Function – Stim. H2O retention  – i urine output  – h H2O in serum/body ...
CLASS-X BIOLOGY EPISODE
CLASS-X BIOLOGY EPISODE

... 1). Vasopressin or ADH:Vasopressin is also called Anti diuretic hormone as it is a water retaining hormone in the body. It maintains the electrolyte balance in the body. In conditions of dehydration the body becomes deficient of water and the patient is administred a large amount of electrolytes. Yo ...
Biochemistry of hormones derived from amino acids and proteins
Biochemistry of hormones derived from amino acids and proteins

... Vasopressin (ADH) ...
Other Motivated Behaviors
Other Motivated Behaviors

... • Body shivers, blood shunted away from the body surface, urine production inhibited, body ...
Lesion of Central Part of the Dorsomedial Nucleus Alters
Lesion of Central Part of the Dorsomedial Nucleus Alters

... It is well recognized that the basal as well as stress-induced activity of CRH neurons is under the control of brainstem ascending projections and that the mam extrahypothalamic inputs to the PVN have noradrenergic origin (Szafarczyk et al 1988, Kiss and Aguilera 1992, Kiss et al 1996, Day et al 199 ...
Cortisol and Aldosteron
Cortisol and Aldosteron

... • In the primary adrenal insufficiency, patients become hyponatraemic, due to lack of aldosterone which leads to pathological sodium loss by the kidney which results in a contraction of the extracellular fluid volume, causing hypotension and pre-renal uremia. • The hypovolaemia and hypotention stimu ...
the effect of desmopressin on aqueous secretion of the lacrimal glands
the effect of desmopressin on aqueous secretion of the lacrimal glands

... INTRODUCTION Vasopressin (arginine vasopressin), also called antidiuretic hormone, is a nanopeptide synthesized in the hypothalamus and released upon stimulations such as hyperosmolality, hypotension and hypovolemia. It is a major ...
File
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... the following lab values : serum glucose 500 mg/dl (high) ; urine glucose and ketones 4+ ( high) ; arterial pH 7.20 (low). Her parents state that she has been sick with the “flu” for a week. Which of the following statements best explains her acidotic state? a) Increased isulin levels promote protei ...
Endocrine System: The Hypothalamic–Pituitary Axis
Endocrine System: The Hypothalamic–Pituitary Axis

... _____________ and ________________, the posterior pituitary hormones, are synthesized in the ____________ and _______________ nuclei of the hypothalamus. They are stored in the axon terminals located in the __________ pituitary. Similar to neurotransmitters, a/an ________ ________ in the neuron caus ...
Endocrine Disorders in the Neonatal Period
Endocrine Disorders in the Neonatal Period

... formerly called male pseudohermaphroditism, is caused by myriad factors resulting in errors of testosterone production, testosterone metabolism, and/ or end-organ action of testosterone. As early as 10 weeks gestation, testosterone is released from the Leydig cells in the testes to help form (along ...
Practice Test Endocrine
Practice Test Endocrine

... 14. hormone that raises blood glucose levels ...
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Vasopressin

Vasopressin, also known as arginine vasopressin (AVP), antidiuretic hormone (ADH), or argipressin, is a neurohypophysial hormone found in most mammals. Its two primary functions are to retain water in the body and to constrict blood vessels. Vasopressin regulates the body's retention of water by acting to increase water reabsorption in the kidney's collecting ducts, the tubules which receive the very dilute urine produced by the functional unit of the kidney, the nephrons. Vasopressin is a peptide hormone that increases water permeability of the kidney's collecting duct and distal convoluted tubule by inducing translocation of aquaporin-CD water channels in the plasma membrane of collecting duct cells. It also increases peripheral vascular resistance, which in turn increases arterial blood pressure. It plays a key role in homeostasis, by the regulation of water, glucose, and salts in the blood. It is derived from a preprohormone precursor that is synthesized in the hypothalamus and stored in vesicles at the posterior pituitary. Most of it is stored in the posterior pituitary to be released into the bloodstream. However, some AVP may also be released directly into the brain, and accumulating evidence suggests it plays an important role in social behavior, sexual motivation and pair bonding, and maternal responses to stress. It has a very short half-life between 16–24 minutes.
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