serosa

[ si-roh-suh, -zuh ]

noun

, plural se·ro·sas, se·ro·sae [si-, roh, -see, -zee].

1. Embryology, Zoology.
   1. the chorion.
   2. a similar membrane in insects and other lower invertebrates.
2. serous membrane.

serosa

/ sɪˈrəʊsə /

noun

1. another name for serous membrane
2. one of the thin membranes surrounding the embryo in an insect's egg

Word History and Origins

Origin of serosa¹

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

Word History and Origins

Origin of serosa¹

C19: from New Latin, from serōsus relating to serum

Example Sentences

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

Ventral plate: a thickening of the blastoderm of an egg from which the embryo, but not the amnion or serosa is formed.

From Project Gutenberg

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

From Project Gutenberg

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 Project Gutenberg

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

From Project Gutenberg