Free Vision Screenings for Infants and Toddlers. The early years of life from birth until age five are crucial for a childâs visual development and eye health. The American Optometric Association recognizes how important it is to get your baby's vision off to a good start.
atrium(Noun) An upper chamber of the heart that receives blood from the veins and forces it into a ventricle. In higher vertebrates, the right atrium receives blood from the superior vena cava and inferior vena cava, and the left atrium receives blood from the left and right pulmonary veins.
(anatomy) The outer ear or pinna. (anatomy) An ear-shaped appendage of the left or right atrium of the heart. (anatomy) An atrium, the smaller of the two types of heart chamber. (botany) Any appendage in the shape of an earlobe.