- Blood cell - A minute particle; an atom; a molecule. - A protoplasmic animal cell; esp., such as float free,
like blood, lymph, and pus corpuscles; or such as are imbedded in an
intercellular matrix, like connective tissue and cartilage corpuscles.
See Blood.
- The connective tissue or supporting framework of an organ;
as, the stroma of the kidney. - The spongy, colorless framework of a red blood corpuscle or
other cell. - A layer or mass of cellular tissue, especially that part of
the thallus of certain fungi which incloses the perithecia.