serosa

American  

[si-roh-suh, -zuh] / sɪˈroʊ sə, -zə /

noun

plural

serosas, serosae

1. Embryology, Zoology.

   1. the chorion.

   2. a similar membrane in insects and other lower invertebrates.

2. serous membrane.

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serosa British  

/ sɪˈrəʊsə /

noun

1. another name for serous membrane

2. one of the thin membranes surrounding the embryo in an insect's egg

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Etymology

Origin of serosa

1885–90; < New Latin serōsa, feminine of serōsus, equivalent to Latin ser ( um ) serum + -ōsus -ose ¹

Example Sentences

The serosa is the portion of the alimentary canal superficial to the muscularis.

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

Instead of serosa, the mouth, pharynx, and esophagus have a dense sheath of collagen fibers called the adventitia.

From Textbooks • Jun. 19, 2013

In some midges and in caddis-flies the serosa becomes ruptured and absorbed, while the germ band, still clothed with the amnion, grows around the yolk.

From Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4 "Hero" to "Hindu Chronology" by Various