Some ductless glandsproduce several different hormones .
有些無管腺產生幾種不同的激素.
Research on the energy saving and safety of ductless fume hood .
無管排風柜的節能與安全性研究。
Endocrine system : group of ductless glands that secrete hormones necessary for normal growth and development , reproduction , and homeostasis .
內分泌系統:由無管腺體組成的系統,分泌激素(荷爾蒙)以供身體正常生長、發育、繁殖和自我恒定性之需。
In 1841 friedrich gustav henle first recognized ductless glands , which secrete products directly into the bloodstream .
841年亨勒首度發現「無管腺體」,能將其產物直接輸入血液中。
" Other endocrine glands include the pituitary , the thyroid and parathyroid , the adrenals and the ovaries and testes . Some ductless glands produce several different hormones . "