File:EB1911 Lamellibranchia - relations of pericardium and nephridia .jpg

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Summary

Description
English: Diagrams showing the Relations of Pericardium and Nephridia in a Lamellibranch such as Anodonta. See legend below.
Date published 1911
Source “Lamellibranchia,” Encyclopædia Britannica (11th ed.), v. 16, 1911, p. 118, fig. 18.
Author Edwin Ray Lankester; Joseph Thomas Cunningham
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.
English: Legend:
A, Pericardium opened dorsally so as to expose the heart and the floor of the pericardial chamber d.
B, Heart removed and floor of the pericardium cut away on the left side so as to open the non-glandular sac of the nephridium, exposing the glandular sac b, which is also cut into so as to show the probe f.
C, Ideal pericardium and nephridium viewed laterally.
D, Lateral view showing the actual relation of the glandular and non-glandular sacs of the nephridium. The arrows indicate the course of fluid from the pericardium outwards.
a, Ventricle of the heart.
b, Auricle.
bb, Cut remnant of the auricle.
c, Dorsal wall of the pericardium cut and reflected.
e, Reno-pericardial orifice.
f, Probe introduced into the left reno-pericardial orifice.
g, Non-glandular sac of the left nephridium.
h, Glandular sac of the left nephridium.
i, Pore leading from the glandular into the non-glandular sac of the left nephridium.
k, Pore leading from the non-glandular sac to the exterior.
ac, Anterior.
ab, Posterior, cut remnants of the intestine and ventricle.

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current19:19, 12 April 2019Thumbnail for version as of 19:19, 12 April 2019729 × 785 (156 KB)Library Guy{{Information |description ={{en|1=Diagrams showing the Relations of Pericardium and Nephridia in a Lamellibranch such as ''Anodonta''. See legend below.}} |date =published 1911 |source =“Lamellibranchia,” ''Encyclopædia Britannica'' (11th ed.), v. 16, 1911, p. 118, fig. 18. |author =Edwin Ray Lankester; Joseph Thomas Cunningham |permission ={{PD-Britannica}} }} {{en|Legend:}} {| |-valign="top" |A,||Pericardium opened dorsally so as to expose the heart and the flo...

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