serosa
Americannoun
plural
serosas, serosae-
Embryology, Zoology.
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the chorion.
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a similar membrane in insects and other lower invertebrates.
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noun
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another name for serous membrane
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one of the thin membranes surrounding the embryo in an insect's egg
Etymology
Origin of serosa
1885–90; < New Latin serōsa, feminine of serōsus, equivalent to Latin ser ( um ) serum + -ōsus -ose 1
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The serosa is the portion of the alimentary canal superficial to the muscularis.
From Textbooks • Jun. 19, 2013
Figure 23.3 Layers of the Alimentary Canal The wall of the alimentary canal has four basic tissue layers: the mucosa, submucosa, muscularis, and serosa.
From Textbooks • Jun. 19, 2013
The uterine tubes also have three layers: an outer serosa, a middle smooth muscle layer, and an inner mucosal layer.
From Textbooks • Jun. 19, 2013
As mentioned previously, the most superficial layer of the esophagus is called the adventitia, not the serosa.
From Textbooks • Jun. 19, 2013
Heymons believes that the “dorsal organ” in the embryos of the lower Arthropoda corresponds with the region invaginated to form the serosa of the hexapod embryo.
From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" by Various
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
