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

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

From Project Gutenberg

Serosa: the outer membrane that envelops the forming embryo, the amnion and the remainder of the egg.

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