How To Use Excretory organ In A Sentence

• He was led to enunciate the following theses: -- [450] (1) that the mouth and anus of Vermes, Mollusca, Arthopoda, and probably Vertebrata, is derived from the elongated mouth of an ancestor resembling the Actinozoa; (2) that somites are derived from a series of archenteric pouches, like those of Actinozoa and Medusæ; (3) that excretory organs (nephridia, segmental organs) are derived from parts of these pouches which in the ancestral form, as in many polyps, were connected by a circular or longitudinal canal, and opened to the exterior by pores. Form and Function A Contribution to the History of Animal Morphology
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• an excretory organ of certain invertebrates.
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• In freshwater forms, these include the nuchal gland, or neck organ, with ion transporting cells for salt uptake, and excretory organs for water excretion.
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• The article mentions that liver should not be had on a regular basis by those who are prone to gout because it is an excretory organ and high in uric acid.
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• It was known by the 1860's that various nutritive, respiratory, and excretory organs (yolk-sac, allantois) characteristic of embryos are lacking in all adults. RECAPITULATION
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