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单词 endocrine gland
释义

WordReference Random House Unabridged Dictionary of American English © 2024
endocrine gland′, 
  1. Anatomyany of various glands, as the thyroid, adrenal, and pituitary glands, that secrete certain substances or hormones directly into the blood or lymph;
    ductless gland.
  • 1910–15

Collins Concise English Dictionary © HarperCollins Publishers::
endocrine gland n
  1. any of the glands that secrete hormones directly into the bloodstream, including the pituitary, pineal, thyroid, parathyroid, adrenal, testes, ovaries, and the pancreatic islets of Langerhans
    Also called: ductless gland
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