plural of face-down

Emberiza spodocephala, a passerine bird in the bunting family Emberizidae.

Coagulation, or coagulation factor of the blood. / Any of the group of blood constituents which are involved in the process of coagulation

Also known as the clotting factor of the blood. / Any of the group of blood constituents which are involved in the process of coagulation

A fading away.

plural of fade-away

Abbreviation of Rhesus factor.

plural of fact checker

A protein present in endothelia and leukocytes. Classified as CD142. It plays a primary role in the blood clotting process by the initiation of thrombin formation.

simple past tense and past participle of fade away