You may have an infection.     A positive finding of the enzyme leukocyte esterase in urinalysis  indicates the presence of white blood cells in the urine. This  n â¦ ormally suggests inflammation of some sort, often from a urinary  tract infection.
The nictitating membrane of a masked lapwing as it closes. The nictitating membrane (from Latin nictare, to blink) is a transparent or translucent third eyelid present in some animals that can be drawn across the eye for protection and to moisten it while maintaining vision.
Definition of AMNION. 1. : a thin membrane forming a closed sac about the embryos or fetuses of reptiles, birds, and mammals and containing the amniotic fluid.2. : a membrane analogous to the amnion and occurring in various invertebrates.â amÂ·niÂ·otÂ·ic \Ëam-nÄ-Ëae-ËÃ¤\ tik. adjective a thin membrane forming a closed sac about the embryos or fetuses of reptiles, birds, and mammals and containing the amniotic fluid. 2. : a membrane analogous to the amnion and occurring in various invertebrates. â amÂ·niÂ·otÂ·ic \Ëam-nÄ-Ëae-ËÃ¤\ tik. adjective