rectal cecum（直肠盲囊）是什么意思？音标发音+图解场景

直肠盲囊 /ɹɪkˈɔːdɪŋ ˈjuːnɪt/ n

English: rectal cecum · 直肠盲囊

释义：Lateral duct of the terminal part of the digestive tract, where waste is stored before being expelled through the anus.

这个词出现在以下图解场景（1）