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 ZYGOTE INTRAFALLOPIAN TRANSFER. : a method of assisting reproduction in cases of infertility that is similar to gamete intrafallopian transfer but in which eggs are fertilized in vitro and some of the resulting fertilized eggs are inserted into a fallopian tube âabbreviation ZIFT. ADVERTISEMENT. a method of assisting reproduction in cases of infertility in which eggs are obtained from an ovary and fertilized with sperm in vitro and the resulting fertilized eggs are inserted into a fallopian tube by a laparoscopeâabbreviation ZIFT; compare gamete intrafallopian transfer.