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Related to ductless gland: exocrine gland
ductless gland:see endocrine systemendocrine system
, body control system composed of a group of glands that maintain a stable internal environment by producing chemical regulatory substances called hormones.
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organ that manufactures chemical substances. A gland may vary from a single cell to a complex system of tubes that unite and open onto a surface through a duct. The endocrine glands, e.g.
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ductless gland[¦dək·ləs ′gland]