2.Major components of a plasmodesma (PD) include a plasma membrane, a desmotubule, and a cytoplasmic annulus, all of which are readily detectable by electron microscopy.
3.Via checking, wreck cargoboat " BRIGHTSUN " annulus for boat of bulk cargo of one Korea book, 37574 carring capacity ton, 21 people of mutual sailor.
3.An X-Ray and CT often show a bamboo spine, which is caused by the ossification of the annulus fibrosus on the outside of a straightened spine, giving it a hollow appearance!
4.Between each of the vertebral bodies is an intervertebral disc which is made of type I and type II collagen and has two parts, the annulus fibrosis, an outer fibrous ring, and the nucleus pulposus, an inner jelly-like substance.