dacryocyst
淚囊
dac·ryo·cyst /ˈdækrɪəˌsɪst/ 名詞
淚囊
dacryocyst
n : either of the two dilated ends of the lacrimal ducts at the
nasal ends of the eyes that fill with tears secreted by
the lacrimal glands [syn: lacrimal sac, tear sac]