--- title: Life history of the malaria parasite (Plasmodium vivax) in man and the Anopheles mosquito url: https://propagandaarchive.org/collection/life-history-malaria-parasite-public-health-service-1942/ description: Black-and-white scientific chart tracing the malaria parasite through a human blood cycle and a sexual cycle in the mosquito, with arrows. section: Collection --- 1. [Home](https://propagandaarchive.org/) 2. [Collection](https://propagandaarchive.org/collection/) 3. Life history of the malaria parasite (Plasmodium vivax) in man [![Life history of the malaria parasite (Plasmodium vivax) in man and the Anopheles mosquito, 1942 US poster: Black-and-white](https://propagandaarchive.org/collection/images/life-history-malaria-parasite-public-health-service-1942.jpg)](https://propagandaarchive.org/collection/images/life-history-malaria-parasite-public-health-service-1942.jpg) # Life history of the malaria parasite (Plasmodium vivax) in man and the Anopheles mosquito Black-and-white scientific chart tracing the malaria parasite through a human blood cycle and a sexual cycle in the mosquito, with arrows, time spans and labelled stages. It is an explanatory diagram rather than a persuasion piece; the technique is faint, limited to the borrowed authority of the Public Health Service seal and a named expert. ## Propaganda techniques used in this poster [Transfer](https://propagandaarchive.org/techniques/transfer/) ## Text on the object Original (English) · read from the image, not independently checked ``` LIFE HISTORY OF THE MALARIA PARASITE (PLASMODIUM VIVAX) IN MAN AND THE ANOPHELES MOSQUITO The cycle in human blood 48 hours Immature gametocyte Half-grown macro-gametocyte Nearly full-grown micro-gametocyte Trophozoite invades young corpuscle (reticulocyte) Signet ring (trophozoite) Amoeboid stage Maturing form Dividing parasite (schizont) Sporulating merozoites Schizont ruptures (chill and fever) Mature segmenting schizont Sporozoites injected into man Female Anopheles Not less than 2 weeks Gametocytes sucked with human blood into mosquito stomach SEXUAL CYCLE IN MOSQUITO Development of gametocytes in stomach cavity 24 hours or more Fertilization Epithelium of stomach wall Zygote, becoming motile (ookinete), enters gut wall Ookinete burrowing between cells Ookinete forms cyst under gut wall Early stage; pigment prominent Division within cyst Cyst enlarges; pigment less prominent Island-like masses form attachment for the developing sporozoites Sporozoites form within cyst in bundles of sickle-shaped organisms Stomach of Anopheles mosquito Sporozoites escape from cyst and enter salivary gland 3 of the 6 lobes of salivary glands 10 days or more, depending on temperature and humidity Interpreted by DR. BRUCE MAYNE Special Expert Malaria Investigations U.S. PUBLIC HEALTH SERVICE [imprint:] U. S. GOVERNMENT PRINTING OFFICE : 1942-O-494304 ``` [← Let's top it!](https://propagandaarchive.org/collection/lets-top-it-war-bonds-10-percent-1942/) [Life-line of freedom: The Merchant Marine →](https://propagandaarchive.org/collection/life-line-of-freedom-the-merchant-marine-1942/) ## More propaganda examples that use the same techniques - [Fragments of the Abydos king list from Ramesses II's temple, in the British Museum: rows of royal cartouches](https://propagandaarchive.org/collection/abydos-king-list-ramesses-ii-temple-british-museum/) (New Kingdom Egypt · 0000 · Card stacking, Transfer) - [Clay cylinder with the Ehulhul inscription of Nabonidus, king of Babylon, describing work on three temples](https://propagandaarchive.org/collection/cylinder-nabonidus-ehulhul-inscription-555bce/) (Neo Babylonian Empire · 0000 · Transfer) - [Seated limestone statue of Hatshepsut as king, with feminine royal titles on the throne, reassembled from fragments broken up at Deir el-Bahri](https://propagandaarchive.org/collection/hatshepsut-seated-statue-limestone-met-1458bce/) (New Kingdom Egypt · 0000 · Transfer, Testimonial) - [Glazed-brick panel with a striding lion, from Babylon (reign of Nebuchadnezzar II)](https://propagandaarchive.org/collection/ishtar-gate-panel-striding-lion-nebuchadnezzar-ii-604bce/) (Neo Babylonian Empire · 0000 · Transfer) - [Limestone relief block of Ramesses II wearing the White Crown, a jubilee relief from his temple at Herakleopolis](https://propagandaarchive.org/collection/jubilee-relief-ramesses-ii-herakleopolis-met-05-4-256/) (New Kingdom Egypt · 0000 · Transfer) - [Line drawing of the Great Kadesh battle relief on the walls of the Ramesseum, from Breasted's History of Egypt](https://propagandaarchive.org/collection/kadesh-relief-ramesseum-breasted-drawing-1275bce/) (New Kingdom Egypt · 0000 · Card stacking, Transfer). Content note: A drawing of an Egyptian royal battle relief showing Hittite soldiers and horses killed and drowned, as the king's monument presented the battle; it is a one-sided image made by the winning side's own account. - [Gypsum alabaster slab inscribed in cuneiform, from Nimrud (Kalhu), reign of Ashurnasirpal II](https://propagandaarchive.org/collection/nimrud-slab-ashurnasirpal-ii-inscription-883bce/) (Neo Assyrian Empire · 0000 · Transfer, Glittering generalities) - [Egyptian alabaster jar inscribed with the name of Xerxes the Great in four languages (Old Persian, Elamite, Babylonian, Egyptian), 486 to 466 BCE](https://propagandaarchive.org/collection/xerxes-jar-four-languages-486bce/) (Achaemenid Empire · 0000 · Transfer)