Welcome to the 1520 Perfect Dictionary

Click on any title to read the full article

Eustachian valve
EUSTACHIAN VALVE

Definition: A fold of the lining membrane of the heart which in the fetus directs the blood from the vena cava interior to the left auricle.
___________________________________

See perfect form (1).

See perfect fold (1).
_____

See perfect particularity (1).

See perfect function (1).

See perfect type (1).

1520 Products

1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way.

1520 Sex Game

1520 Puzzles

1520 Marriage Game