Cytoplasm. The cytoplasm is the part of the cell which does all the work. Different cells do different jobs, however whatever the job is it will require energy in the form of a chemical called ATP. This energy containing chemical is produced by tiny organelles in the cell called mitochondria. Muscle cells contain two very special chemicals called actin and myosin.
Definition of TREPHINATION. : an act or instance of perforating the skull with a surgical instrument. ADVERTISEMENT.efinition of TREPHINATION. : an act or instance of perforating the skull with a surgical instrument. ADVERTISEMENT.
Syphilis is a sexually transmitted disease (STD), caused by spiral-shaped spirochete bacterium, Treponema pallidum. The disease has been known under many names during history, â¦ including the French disease and the Great Pox.yphilis is a Sexually transmitted disease which is contracted through sexual contact with an infected parter, either through genital or oral sex. tertiary (untreated syphilis â¦) can cause death in later life.