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.
B. The small terminal villi of a term placenta (hematoxylin-eosin, Ã10). C. Vasculosyncytial membrane (arrows) is the hallmark of a term villus, near fusion of the trophoblast basement membrane with the fetal capillary endothelium, with adjacent normal syncytial knots (hematoxylin-eosin, Ã40).