[Digestion of blood by Leptopsylla segnis fleas]. 1978

L V Briukhanova, and N F Darskaia, and L A Surkova

The digestion of blood by L. segnis was investigated by hystological and hystochemical methods. The protease activity in the stomachs of these flease was found to be very high. After the feeding erythrocytes do not stick together and fibrin precipitates only in a shape of filaments. As a result a dense clot of formed elements and plasma-proteins does not appear. Hemolysis of erythrocytes in adult fleas (maintained 7 to 10 days in the nest with the host prior to the test) ceases within 15--20 minutes while in young ones (up to 24 hours old)--within 1--1.5 hour.

UI MeSH Term Description Entries
D008297 Male Males
D001769 Blood The body fluid that circulates in the vascular system (BLOOD VESSELS). Whole blood includes PLASMA and BLOOD CELLS.
D004063 Digestion The process of breakdown of food for metabolism and use by the body.
D004912 Erythrocytes Red blood cells. Mature erythrocytes are non-nucleated, biconcave disks containing HEMOGLOBIN whose function is to transport OXYGEN. Blood Cells, Red,Blood Corpuscles, Red,Red Blood Cells,Red Blood Corpuscles,Blood Cell, Red,Blood Corpuscle, Red,Erythrocyte,Red Blood Cell,Red Blood Corpuscle
D005260 Female Females
D005423 Siphonaptera An order of parasitic, blood-sucking, wingless INSECTS with the common name of fleas. Aphaniptera,Fleas,Flea
D006427 Hemin Chloro(7,12-diethenyl-3,8,13,17-tetramethyl-21H,23H-porphine-2,18-dipropanoato(4-)-N(21),N(22),N(23),N(24)) ferrate(2-) dihydrogen. Ferriprotoporphyrin,Hematin,Alkaline Hematin D-575,Chlorohemin,Ferrihaem,Ferriheme Chloride,Ferriprotoporphyrin IX,Ferriprotoporphyrin IX Chloride,Panhematin,Protohemin,Protohemin IX,Alkaline Hematin D 575,Chloride, Ferriheme,Chloride, Ferriprotoporphyrin IX,Hematin D-575, Alkaline
D006461 Hemolysis The destruction of ERYTHROCYTES by many different causal agents such as antibodies, bacteria, chemicals, temperature, and changes in tonicity. Haemolysis,Extravascular Hemolysis,Intravascular Hemolysis,Extravascular Hemolyses,Haemolyses,Hemolyses, Extravascular,Hemolyses, Intravascular,Hemolysis, Extravascular,Hemolysis, Intravascular,Intravascular Hemolyses
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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