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serous Line breaks: ser¦ous
Pronunciation: /ˈsɪərəs/

Definition of serous in English:


Of, resembling, or producing serum: the natural protection for grazes and scratches is dried serous fluid and blood
More example sentences
  • The presence of small lymphocytes in serous cavity fluid can pose great difficulty in the differentiation between a low-grade lymphoproliferative disorder and reactive lymphocytosis.
  • Liquefied vitreous, serous fluid, or blood may collect in the subretinal space between the sensory retina and the underlying layer of retinal pigment epithelium.
  • Collection of pooled blood or serous fluid is an additional risk for obese patients.


Late Middle English: from French séreux or medieval Latin serosus, from serum (see serum).



Pronunciation: /sɪəˈrɒsɪti/
Example sentences
  • During a course of experiments on the nature of the animal fluids, in which I was engaged in the years 1805 and 1806, I examined the serosity of the blood.
  • He accordingly "sought for it in the serosity of several of Dr. Bright's patients, but could detect only a matter possessing peculiar properties, which seemed to approach to those of urea."

Definition of serous in:

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