endocrine/ urinary system Flashcards

1
Q

hormones

A

chemical messengers

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2
Q

steroids

A

specific group of chemical substances including hormones and cholesterol

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3
Q

tropic hormones

A

hormone that regulates function of another endocrine organ

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4
Q

growth hormone

A

general metabolic hormone

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5
Q

pineal body

A

pea-sized conical mass of tissue behind the third ventricle of the brain, secreting a hormonelike substance in some mammals

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6
Q

hypothalamus

A

produces hormones

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7
Q

pituitary gland

A

regulates gonads, thyroid, adrenal cortex, water balance, lactation

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8
Q

thyroid gland

A

one of largest endocrine glands

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9
Q

parathyroid gland

A

small endocrine glands located on posterior aspect of thyroid gland

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10
Q

adrenal gland

A

hormone-producing glands located superior to the kidneys

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11
Q

pancreas

A

produces endocrine and exocrine secretions

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12
Q

gonads

A

organs producing gametes

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13
Q

kidneys

A

organ that excretes urine

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14
Q

nephrons

A

structural and functional units of kidneys

responsible for forming urine

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15
Q

uric acid

A

released when nucleic acids are metabolized

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16
Q

creatinine

A

chemical waste molecule generated from muscle metabolism

17
Q

nitrogenous waste

A

any metabolic waste that contains nitrogen

18
Q

urea

A

nitrogen containing substance cleared from blood by kidney into urine

19
Q

urethra

A

tube that transports urine to outside the body

20
Q

urine

A

liquid waste produced by kidneys

21
Q

urinary bladder

A

collects and stores urine from kidneys before disposal from body

22
Q

electrolyte balance

A

balance between concentration in cells and in the tissue fluid surrounding the cells of various ions

23
Q

intracellular fluid

A

fluid inside the cell

24
Q

extracellular fluid

A

fluid outside the cell