乳突窦
mastoid antrum (bones at the back of tympanic chamber)
Traditional: 乳突竇
✍️ Practice Writing the Full Phrase
📖 Additional Information
English Phonetic:
'mæstɒid
Detailed Definition:
n. process of the temporal bone behind the ear at the base of the skull\na. of or relating to or in the region of the mastoid process\na. relating to or resembling a nipple