Term: mydriasis: reflex pupillary dilation as a muscle pulls the iris outward; occurs in response to a decrease in light or certain drugs
Broader: dilation: the act of expanding an aperture | Unrelated: studbook: official record of the pedigree of purebred animals especially horses
Broader: dilation: the act of expanding an aperture | Unrelated: allometry: the study of the relative growth of a part of an organism in relation to the growth of the whole
Broader: dilation: the act of expanding an aperture | Unrelated: audience: the part of the general public interested in a source of information or entertainment
Broader: dilation: the act of expanding an aperture | Unrelated: neapolitan ice cream: a block of ice cream with 3 or 4 layers of different colors and flavors
Broader: dilation: the act of expanding an aperture | Unrelated: edaphosauridae: a family of reptiles of the order Pelycosauria
Broader: dilation: the act of expanding an aperture | Unrelated: pleaser: a pleasing entertainer
Broader: dilation: the act of expanding an aperture | Unrelated: pincushion: a small stiff cushion into which pins are stuck ready for use
Broader: dilation: the act of expanding an aperture | Unrelated: trophy: an award for success in war or hunting
Broader: dilation: the act of expanding an aperture | Unrelated: crash: a sudden large decline of business or the prices of stocks (especially one that causes additional failures)
Broader: dilation: the act of expanding an aperture | Unrelated: tigress: a female tiger