Transmission electron micrograph of a section of a human polymorphonuclear neutrophil from circulating blood. Neutrophil nuclei are often lobed, as seen in the electron micrograph and light micrograph...

Image of the scopula, the stalk forming region at the aboral end of the cell body of Opercularia coarctata. A group of basal bodies each gives rise to a modified cilium that gives rise to a cylinder o...

Image of the scopula, the stalk forming region at the aboral end of the cell body of Opercularia coarctata. A group of basal bodies each gives rise to a modified cilium that gives rise to a cylinder o...