Maelezo ya Chini
a Charles Darwin nondiko e buge miluongo ni The Descent of Man, ni fuonde moko e dend dhano “onge tich.” Achiel kuom jolupne noramo ni nitie fuonde mang’eny ahinya e dend dhano “matimo nono,” moriwo koda ofuko moro matin (appendix) momakore gi nyambich maduong’, koda fuon machielo miluongo ni thymus.