stroma

stro·ma

1. The connective tissue framework of an organ, gland, or other structure, as distinguished from the tissues performing the special function of the organ or part.
2. The spongy, colorless framework of a red blood cell or other cell.

Origin: Late Latin strōma, mattress, covering, from Greek, bed; see ster-² in Indo-European roots.

Related Forms:

• stromal stroˈmal adjective

• stromatic stro·matˈic (-mătˈĭk) adjective