ductless gland中文什么意思

内分泌腺

内分泌线

无管腺

• ductless:    adj. 无导管的。 ductles ...
• gland:    n. 【机械工程】密封压盖，填料盖， ...
• ductless glands:    无管腺, 内分泌腺

英文释义

名词

1. any of the glands of the endocrine system that secrete hormones directly into the bloodstream
   同义词：endocrine gland, endocrine

百科释义

Ductless glands are glands that secrete their product directly onto a surface rather than through a duct. Examples are the goblet cells in the epithelial surface of the digestive, respiratory, urinary and reproductive systems.