Umbhalo longentansi

a Encwadzini yakhe letsi “The Descent of Man,” Charles Darwin wachaza titfo letinyenti temtimba njengaleto “letingenamsebenti.” Lomunye lobekamsekela wavumelana naye kutsi kunetitfo letinyenti “letingenamsebenti” emtimbeni wemuntfu, lokufaka ekhatsi litfunjana kanye nesitfo lesibitwa ngekutsi yi-thymus.