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. Author manuscript; available in PMC: 2013 Jun 19.
Published in final edited form as: Trends Parasitol. 2009 Aug 28;25(9):423–431. doi: 10.1016/j.pt.2009.05.011

Figure I.

Figure I

Micrographs of key larval stages. (a) Skin schistosomulum ex vivo after transformation from the cercaria, illustrating the dense spination; (b) skin schistosomulum exiting the dermis by penetrating a blood vessel (V) using head gland secretions; (c) lung schistosomulum (cf. part a) showing extension of the body and loss of spination to faciliatate transit through capillary beds; (d) juvenile liver worm with black haematin pigment in the caecum (C) revealing the start of feeding on erythrocytes and increase in body mass. Scale bar = 20 µm (a,c,d), and 50µm (b).