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Adrenal Gland
2013-03-04 12:51:56

The adrenal glands are endocrine glands located directly on top of the kidneys. Their main function is to secrete vital hormones and steroids during times of stress, as well as govern many different bodily functions. The hormones that the adrenal glands secrete are primarily derived from amino acids or lipids. The right adrenal gland is pyramid-shaped, while the left adrenal gland is shaped...

Word of the Day
humgruffin
  • A terrible or repulsive person.
Regarding the etymology of 'humgruffin,' the OED says (rather unhelpfully) that it's a 'made-up word.' We might guess that 'hum' comes from 'humbug' or possibly 'hum' meaning 'a disagreeable smell,' while 'gruffin' could be a combination of 'gruff' and 'griffin.'