part of anterior end horn Applied to non Anopheles mosquitoes. in ISBN:0-937548-00-6. In the eggs of Mansonia humeralis, perhaps other Mansonia eggs as well, one of the elongate pointed projections arising at the anterior end. The relationship of the horns to the micropylar collar is presently unknown. TGMA:0001475 TGMA:0001475 apical horn default_namespace