Projections from the Cell that help move the Cell in the surrounding fluid. ie Sperm Cell of the Testis.
Flaccidity
A condition in which there is no Muscle Tone.
Fistula
A tract that is open at both ends through wich abnormal communication is established between two surfaces.
Fissure
A deep Furrow or Cleft.
First Class Lever
A lever system with the Fulcrum located in the center and the effort and resistance located on either side.
First Heart Sound
The sound heard when the Atrioventricular Valves close.
Fimbriae
Fingerlike Structures.
Filtration
The Movement of water across a semipermeable Membrane as a result of Hydrostatic Pressure.