Pinking up

Pinking up: Nipples turn pink if the cat is pregnant about three weeks after mating.
Placenta: Organ that allows the exchange of oxygen, food and waste material between a mother cat and a fetus.
Platinum: Silvery -beige color..

Pinking Up: In a pregnant female, the changing of the color of the nipples to pink, typically occurring in cat's about three weeks after successful mating.
Pinna: The ear flap.

Pinking up: primarily a British term for the characteristic coloring of the queen's nipples about three weeks after a successful mating
Pinna: the ear flap
Ch-Cz Terms ...

See also: Awn hairs, Ailurophile, Metabolism, Cancer, Melanin