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AP II - Test 1

AP II - Test 1 - Term Definition Nervous System Electrical...

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Term: Nervous System Definition: Electrical impulses Specific target cells Local, specific effects Reacts QUICK to stimuli, within 1-10 msec Stops QUICK when stimuli stops Term: Endocrine System Definition: Hormones General distribution throughout the body Widespread effects Reacts SLOWLY to stimuli, taking seconds to days May respond LONG after stimuli stops Term: Neurotransmitters; hormones Definition: Several chemicals function as both _______________ and ____________ - norepinephrine, dopamine, ADH Term: Glycogen hydrolysis Definition: Norepinephrine and glucagon cause _____________
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Term: Adrenocorticotropic hormone Definition: ACTH Anterior pituitary (corticotropin) Term: Antidiuretic hormone Definition: ADH Posterior pituitary (vasopressin) Term: Cortiocotropin-releasing hormone Definition: CRH Hypothalamus Term: Dehydroepiandrosterone Definition: DHEA Adrenal cortex Term: Eythropoietin Definition: EPO Kidney, liver
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Term: Follicle-stimulating hormone Definition: FSH Anterior pituitary Term: Growth hormone Definition: GH Anterior pituitary (somatotropin) Term: Growth hormone-releasing hormone Definition: GHRH Hypothalamus Term: Gonadotropin-releasing hormone Definition: GnRH Hypothalamus Term: Insulin-like growth factors Definition: IGFs Liver, other tissues (somatomedins)
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Term: Luteinizing hormone Definition: LH Anterior pituitary Term: Norepinephrine Definition: NE Adrenal medulla Term: Oxytocin Definition: OT Posterior pituitary Term: Prolactin-inhibiting hormone Definition: PIH Hypothalamus (dopamine) Term: Prolactin Definition: PRL Anterior pituitary
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Term: Parathyroid hormone Definition: PTH Parathyroids (parathormone) Term: Triiodothyronine Definition: T3 Thryoid Term: Thryoxine Definition: T4 Thyroid (tetraiodonthyronine) Term: Thyroid hormone Definition: T3 + T4 Thryoid Term: Thryrotropin-releasing hormone Definition: TRH Hypothalamus
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Term: Thyroid-stimulating hormone Definition: TSH Anterior pituitary Term: Sella Turcica; Sphenoid bone Definition: The pituitary gland is suspended form the hypothalamus by a STALK called the INFUNDIBULUM - house in the ___________ of the _________ Term: Adenohypophysis Definition: Arises from a hypophyseal pouch that grows upward from the pahrynx Term: Neurohypophysis Definition: Arises from the neurohypophyseal bud which is a downgrowth of the brain Term: Anterior 3/4 of the pituitary Definition: Adenohypophysis constitutes the ________________________ and is generally referred to as the anterior pituitary
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Term: Adenohypophysis Definition: Has NO nervous connection to the hypothalamus. Secretes hormones. Term: Hypophyseal portal system Definition: Primary capillaries in the hypothalamus --> lead to portal venules --> lead down the pituitary stalk to a complex of secondary capillaries in the anterior pituitary Term: Posterior 1/4 of the pituitary Definition: Neurohypophysis constitutes the _________________ and is referred to as the posterior pituitary. Connects the hypothalamus to the pituitary.
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