Foxtail: Any of several grasses of the genus Alopecurus, having dense, silky or bristly flowering spikes. They represent the most common penetrating foreign body that affects dogs in North America.

Foxy: Sharp expression; pointed nose with short foreface.

Fracture: A break, rupture, or crack, especially in bone or cartilage.

French Choke/Martingale: Examples of choke collars. See Training Collar.

French Front: See Fiddle Front.

Fresh Extended (Chilled) Semen: Semen that is extracted and extended by a licensed veterinarian. The semen must be extracted from a dog within the USA and shipped to a point within the USA only. This type of semen must be used within a specified period of time.

Frill: See Apron.

Fringes: See Feathering

Frogface: Extending nose accompanied by a receding jaw, usually overshot.

Front: The forepart of the body as viewed head-on; i.e., forelegs, chest, brisket, and shoulder line.

Frontal Bones: The anterior bones of the cranium forming the forehead.

Frozen Semen: Semen that is extracted, frozen, and stored for future use by a licensed veterinarian. The collection must be reported to the AKC, and the collector/storer must be an AKC-approved facility and in compliance with AKC record keeping practices.

Fungicide: A chemical substance that destroys or inhibits the growth of fungi.

Fungus: A primitive form of plant life that can be parasitic (as in the case of ringworm).

Furnishings: The long hair on the extremities (including head and tail) of certain breeds.

Furrow: A slight indentation of median line down the center of the skull to the stop.