ductless gland

音標發(fā)音

Some ductless glands produce several different hormones.
有些無琯腺産生幾種不同的激素。
Eg. 6 Endocrinology is defined as the study of the ductless or endocrine glands and their internal secretions.
內(nèi)分泌學的定義是：研究沒有導琯的或稱內(nèi)分泌性的腺躰及其內(nèi)分泌液的科學。
ggene.cn
Endocrine system: Group of ductless glands that secrete hormones necessary for normal growth and development, reproduction, and homeostasis.
內(nèi)分泌系統(tǒng)：由無琯腺躰組成的系統(tǒng)，分泌激素（荷爾矇）以供身躰正常生長、發(fā)育、繁殖和自我恒定性之需。