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File:EB1911 Trematodes - Heterocotylean Trematode structure.jpg

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Summary

Description
English: Schematic figures of a Heterocotylean Trematode to illustrate its structure:

A, Dorsal view showing the nervous system and digestive system; a, mouth; b, pharynx; c, d, ε, gut; έ, post-genital union of two limbs of gut; f, excretory pore; g, vaginal pore; h, j, k, brain and nerves; l, dorsal nerves; m, ventral nerves; n, adoral sucker; o, posterior sucker; p, hooks on posterior sucker; r, vitello-intestinal duct.

B, Ventral view showing the reproductive system; C, Cirrus; H, hooks on the ventral sucker; I, small piece of the intestine to show its connexion with the reproductive organs by the narrow duct that passes from it to the union of the vaginae; M, mouth; O, ovary; S, oral sucker; SC, sucker; SH, shell-gland; T, Testis; U, uterus; V, vaginal pore; Y, yolk-gland.
Date published 1911
Source “Trematodes,” Encyclopædia Britannica (11th ed.), v. 27, 1911, p. 242, fig. 4.
Author After Benham. From Lankester's Treatise on Zoology, pt. iv.
Permission
(Reusing this file)
Public domain This image comes from the 13th edition of the Encyclopædia Britannica or earlier. The copyrights for that book have expired in the United States because the book was first published in the US with the publication occurring before January 1, 1929. As such, this image is in the public domain in the United States.

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Date/TimeThumbnailDimensionsUserComment
current19:26, 8 January 2019Thumbnail for version as of 19:26, 8 January 2019878 × 754 (212 KB)Bob Burkhardt{{Information |description ={{en|1=Schematic figures of a Heterocotylean Trematode to illustrate its structure: A, Dorsal view showing the nervous system and digestive system; ''a'', mouth; ''b'', pharynx; ''c'', ''d'', ε, gut; έ, post-genital union of two limbs of gut; ''f'', excretory pore; ''g'', vaginal pore; ''h'', ''j'', ''k'', brain and nerves; ''l'', dorsal nerves; ''m'', ventral nerves; 'n'', adoral sucker; ''o'', posterior sucker; ''p'', hooks on posterior sucker; ''r'', vitello...
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