If you think you know 97001-97004 backward and forward you may be surprised that you should avoid using E/M codes for physical therapists (PTs) and occupational therapists (OTs). However you can report 97001-97004 in addition to a separate E/M service on the same day.
Sponges do have several distinct types of cells, each with different functions. (See FIG.) The body wall of a sponge is perforated by numerous pores or ostia through which water is drawn into a central cavity called the spongocoel or central cavity. The osculum is a large opening at one end of the sponge through which all the resulting excurrent is evacuated.
exists and is an alternate of. Merge this question into. Split and merge into it. Answer by 1Jazz. Confidence votes 9.4K. The large central cavity of sponges is known as the spongocoel. The spongocoel is lined with choanocytes, which have flagella to push the water through-creating a current.mall pores of sponges are called ostia through which water enters while a large pore through which water exits is called osculum.