= blood cell n.

Anatomy and Zoology. Any of various flattened circular structures inside the body. = blood disc n. at blood, n. compounds 5. Now disused.

any of the cells or types of cell normally present in the blood; esp. a red blood cell or white blood cell.

Physiology. esp. (plural) Minute rounded or discoidal bodies, constituting a large part of the blood in humans and other vertebrates.

(a) Physiology. Name given by Hayem to certain yellowish or greenish disks, smaller than the ordinary blood-corpuscles, found in the blood of…

(a) = platelet, n. 2 (now rare); (b) Microbiology a Petri dish containing blood agar.

Anatomy. A blood platelet. Cf. plaque, n. 7. Obsolete. rare.

= platelet, n. 2.

Physiology. More fully blood plaque. A blood platelet. Now historical.

= platelet, n. 2.

Physiology. More fully blood platelet. Any of numerous small, colourless, flattened corpuscles found in the blood of mammals, which are formed…

A blood-corpuscle.

Originally: a type of nucleated, spindle-shaped cell found in non-mammalian vertebrates which serves the same function in blood clotting as the blood…

(more fully red blood disc) a red blood cell.

A primitive undifferentiated blood-cell, esp. one found in acute leukæmia. In full blast cell.