Scanning electron micrograph of a 6 day old human embryo beginning to implant into the lining of the uterus (endometrium). As implantation progresses, the inner cell mass begins to form into the bila...

Aggregates of maize mosaic virus (MMV, Rhabdoviridae) in cells from hemolymph of the insect vector Peregrinus maidis (planthopper, Hemiptera, Delphacidae). Antibodies to MMV identify aggregates (green...

Aggregates of maize mosaic virus (MMV, Rhabdoviridae) in cells from hemolymph of the insect vector Peregrinus maidis (planthopper, Hemiptera, Delphacidae). Antibodies to MMV identify aggregates (green...

Dominant features of a nephron in the cortex of rat kidney showing f-actin localization in the glomerulus, a blood vessel, and proximal tubules. The glomerulus is the large ball at the left. The blo...