Host cell invasion by apicomplexan pathogens such as the malaria parasite Plasmodium spp. and Toxoplasma gondii involves discharge of proteins from secretory organelles called micronemes and rhoptries. In Toxoplasma a protein complex comprising the microneme apical membrane antigen 1 (AMA1). two rhoptry neck proteins. https://www.bekindtopets.com/great-deal-Psithurisme-Definition-Affiche-great-choice/