Most of the eye is filled with a clear gel called the vitreous. Light projects through your pupil and lens to the back of the eye. The inside lining of the eye is covered by special light-sensing cells that are collectively called the retina. It converts light into electrical impulses.
Share. Pethidine is a painkilling drug, as well as an anti-spasmodic, which means that it helps you to relax. It's an opiate that comes from the opium plant (poppy), and is a synthetic version of morphine.Painkilling drugs such as pethidine, diamorphine and less frequently, Meptid, should be available wherever you give birth.hare. Pethidine is a painkilling drug, as well as an anti-spasmodic, which means that it helps you to relax. It's an opiate that comes from the opium plant (poppy), and is a synthetic version of morphine.
Introduction. Botulinum toxin, also called âmiracle poison,â is one of the most poisonous biological substances known.[ 1 ] It is a neurotoxin produced by the bacterium Clostridium botulinum, an anaerobic, gram-positive, spore-forming rod commonly found on plants, in soil, water and the intestinal tracts of animals.otulinum toxin, one of the most poisonous biological substances known, is a neurotoxin produced by the bacterium Clostridium botulinum. C. botulinum elaborates eight antigenically distinguishable exotoxins (A, B, C 1, C 2, D, E, F and G).