The rudimentary appendix of the cat (Felis domesticus).
D000818:Animals; D001065:Appendix / Q000033:anatomy & histology; D002415:Cats / Q000033:anatomy & histology; D002432:Cecum / Q000033:anatomy & histology; D004804:Eosinophils; D005260:Female; D008198:Lymph Nodes; D008297:Male