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.
Atrial syncytium. Definition. noun. A network of cardiac muscle cells connected by gap junctions that allows coordinate contraction of the atria. Supplement.There are two syncytia of the heart: the ventricular syncytium and the atrial syncytium separated by fibrous tissue. The syncytia allows rapid propagation of action potentials throughout the network of interconnected fibers that when one muscle cell contracts they all eventually contract. network of cardiac muscle cells connected by gap junctions that allows coordinate contraction of the atria. Supplement. There are two syncytia of the heart: the ventricular syncytium and the atrial syncytium separated by fibrous tissue.