A narrow blind tube usually about three or four inches (7.6 to 10.2 centimeters) long that extends from the cecum in the lower right-hand part of the abdomen, has much lymphoid wall tissue, normally communicates with the cavity of the cecum, and represents an atrophied terminal part of the cecum.
Organ with organ cavity which is continuous proximally with the cecum and distally terminates in the tip of the appendix. Examples: There is only one appendix.
a blind-ended tube connected to the cecum, from which it develops embryologically[WP].
Organ with organ cavity which is continuous proximally with the cecum and distally terminates in the tip of the appendix. Examples: There is only one appendix[FMA:14542].