immediately preceded by starts_at_end_of occurrent Onchocerca embryonic life stage Onchocerca post-embryonic life stage Onchocerca microfilaria (mammalian stage) 2017-06-09T10:24:33Z The stage that develops from the embyro and is released from the adult female worm, within the mammalian host. Microfilariae are unsheathed and are mainly found in nodules, the skin and connective tissues. fr7 WBls:0000727 worm_development