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

S, serosa; A, amnion; E, ectoderm; N, rudiment of nerve-cord; M, mesodermal pouches.

From Project Gutenberg

Indusium: the case made by an insect larva: a membranous layer of the embryo of Locustidae below the serosa.

From Project Gutenberg

This depends upon whether the inflammation of the serosa quickly spreads or remains local.

From Project Gutenberg

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 Project Gutenberg

Wheeler, however, compares with the “dorsal organ” the peculiar extra embryonic membrane or indusium which he has observed between serosa and amnion in the embryo of the grasshopper Xiphidium.

From Project Gutenberg