HornsPapioSheep, BighornPapio anubisPapio hamadryasPapio cynocephalusPapio ursinusPapio papioPosterior Horn CellsTheropithecusCercopithecinaeAnterior Horn CellsHaplorhiniPrimate DiseasesHerpesviridaeCercocebusSimian T-lymphotropic virus 1Spinal CordMonkey DiseasesPiroplasmidaCercopithecidaeHerpesvirus 1, Cercopithecine