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Identify the releasing organ, target organ/cell and the physiologic action on the target cell of Thyrotropin-releasing hormone (TRH)

Releasing organ: Hypothalamus
Target organ/cell: Anterior pituitary
Physiologic action: Stimulates release of TSH

Identify the, Releasing organ, target organ/cell and the physiologic action on the target cell of corticotropin-releasing hormone (CRH)

Releasing organ: Hypothalamus
Target organ/cell: Anterior pituitary
Physiologic action: stimulates release of ACTH

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of prolactin-releasing hormone (PRH)

Releasing organ: Hypothalamus
Target organ/cell: Anterior pituitary
Physiologic action: stimulates release of prolactin hormone

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of gonadotropin-releasing hormone (GnRH)

Releasing organ: Hypothalamus
Target organ/cell: Anterior pituitary
Physiologic action: Stimulates release of FSH in females and LH in males

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of growth hormone releasing hormone (GHRH)

Releasing organ: Hypothalamus
Target organ/cell: Anterior pituitary
Physiologic action: stimulates release of growth hormone

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of prolactin-inhibiting hormone (PIH)

Releasing organ: Hypothalamus
Target organ/cell: Anterior pituitary
Physiologic action: inhibits release of prolactin hormone

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of growth hormone inhibiting hormone (GHIH)

Releasing organ: Hypothalamus
Target organ/cell: Anterior pituitary
Physiologic action: inhibits release of GH

Identify the releasing organ, target organ/cell, cell that secretes the hormone and the physiologic action on the target cell of adrenocorticotropic hormone

Releasing organ: Anterior pituitary
Target organ/cell: Adrenal cortex
Secreting cell: corticotropes
Physiologic action: triggers release of cortisol hormone

Identify the releasing organ, target organ/cell, cell that secretes the hormone and the physiologic action on the target cell of follicle stimulating hormone (FSH)

Releasing organ: Anterior pituitary
Target organ/cell: Gonads
Secreting cell: gonadotropes
Physiologic action: triggers release of estrogen and progesterone in females

Identify the releasing organ, target organ/cell, cell that secretes the hormone and the physiologic action on the target cell of lutenizing hormone (LH)

Releasing organ: Anterior pituitary
Target organ/cell: Gonads
Secreting cell: gonadotropes
Physiologic action: triggers release of testosterone

Identify the releasing organ, target organ/cell, cell that secretes the hormone and the physiologic action on the target cell of prolactin (PRL)

Releasing organ: Anterior pituitary
Target organ/cell: mammary glands
Secreting cell: lactotropes
Physiologic action: stimulates milk production

Identify the releasing organ, target organ/cell, cell that secretes the hormone and the physiologic action on the target cell of thyroid-stimulating hormone (TSH)

Releasing organ: Anterior pituitary
Target organ/cell: thyroid gland
Secreting cell: thyrotropes
Physiologic action: stimulates release of thyroid hormone (T3, T4)

Identify the releasing organ, target organ/cell, cell that secretes the hormone and the physiologic action on the target cell of growth hormone (GH)

Releasing organ: Anterior pituitary
Target organ/cell: liver, skeletal muscle, bone, fat
Secreting cell: somatotropes
Physiologic action: triggers release of insulin-like growth factors

Identify the releasing organ, target organ/cell, cell that secretes the hormone and the physiologic action on the target cell of antidiuretic hormone (ADH)

Releasing organ: Posterior pituitary
Target organ/cell: Kidneys
Secreting cell: supraoptic nuclei
Physiologic action: increase blood volume/blood pressure

Identify the releasing organ, target organ/cell, cell that secretes the hormone and the physiologic action on the target cell of oxytocin (OT)

Releasing organ: Posterior pituitary
Target organ/cell: uterus, mammary glands
Secreting cell: paraventricular nuclei
Physiologic action: stimulate uterine contractions during labor, promotes milk production

Identify the releasing organ, target organ/cell, cell that secretes the hormone and the physiologic action on the target cell of thyroid hormone (TH, T3, T4)

Releasing organ: thyroid
Target organ/cell: every cell in body
Secreting cell: follicular cells
Physiologic action: stimulates increase basal metabolic rate

Identify the releasing organ, target organ/cell, cell that secretes the hormone and the physiologic action on the target cell of calcitonin

Releasing organ: Thyroid
Target organ/cell: osteoclasts (inhibit them)
Secreting cell: C cells
Physiologic action: inhibit bone resorption and promote bone formation, lowers blood Ca++ levels

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of parathyroid hormone (PTH)

Releasing organ: parathyroid hormone
Target organ/cell: osteoclasts (excites them)
Physiologic action: stimulate bone resorption, raises blood Ca++ levels

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of aldosterone (mineralocorticoids)

Releasing organ: Adrenal cortex
Target organ/cell: kidneys
Physiologic action: regulates body's electrolyte balance

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of cortisol (glucocorticoids)

Releasing organ: Adrenal cortex
Target organ/cell: liver
Physiologic action: regulate metabolism of glucose and other organic fuels

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of DHEA (androgens)

Releasing organ: Adrenal cortex
Target organ/cell: reproductive organs
Physiologic action: stimulate growth of pubic and axillary hair, development of sweat glands and promote sex drive

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of epinephrine, norepinephrine, and dopamine

Releasing organ: Adrenal medulla
Target organ/cell: most cells of body
Physiologic action: increasing blood glucose (sugar) concentration, prepare body for flight mode

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of melatonin

Releasing organ: Pineal gland
Target organ/cell: most cells of body
Physiologic action: regulate sleep cycles and establish the "biological clock"

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of thymosin and thymopoietin

Releasing organ: thymus
Target organ/cell:
Physiologic action: stimulate the maturation and development of T cells

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of glucagon

Releasing organ: pancreas
Target organ/cell: liver cells
Physiologic action: release glucose into the bloodstream (raise blood sugar)

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of insulin

Releasing organ: pancreas
Target organ/cell: liver and skeletal muscles
Physiologic action: promotes utilization and storage of glucose

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of somatostatin

Releasing organ: pancreas
Target organ/cell: small intestines
Physiologic action: slowing intestinal absorption of nutrients

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of pancreatic polypeptide

Releasing organ: pancreas
Target organ/cell:
Physiologic action: inhibits secretion of somatostatin

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of testosterone

Releasing organ: testes
Target organ/cell:
Physiologic action: promotes development of male secondary sex characteristics

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of inhibin

Releasing organ: testes, ovaries
Target organ/cell: anterior pituitary
Physiologic action: inhibit FSH secretion

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of estrogen

Releasing organ: ovaries
Target organ/cell: uterus, mammary glands
Physiologic action: promotes development of a primary follicle and maturation of the egg prior to ovulation

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of progesterone

Releasing organ: ovaries
Target organ/cell: mammary glands
Physiologic action: prepares uterus for implantation of a fertilized ovum

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of erythropoietin (EPO)

Releasing organ: Kidneys
Target organ/cell: bone marrow
Physiologic action: stimulates increased production of RBCs

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of calcitriol

Releasing organ: Kidneys
Target organ/cell: intestines
Physiologic action: increases intestinal absorption of Ca++, increased Ca++ levels

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of Angiotensin II

Releasing organ: lungs
Target organ/cell: adrenal cortex
Physiologic action: stimulates secretion of aldosterone

Identify the releasing organ, target organ/cell and the physiologic action on the target cell of atrial natriuretic peptide (ANP)

Releasing organ: heart
Target organ/cell:
Physiologic action: lower blood volume and blood
pressure

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