Original: In human anatomy, the appendix (or vermiform appendix; also cecal (or caecal) appendix; also vermix) is a blind-ended tube connected to the cecum (or caecum), from which it develops embryologically.
Simplified: In human anatomy, the appendix (other names include vermiform appendix;  cecal (or caecal) appendix; vermix) is a blind ended tube connected to the cecum (or caecum), from which it develops embryologically.