Neck tightness: Related Topics. These medical condition or symptom topics may be relevant to medical information for Neck tightness: 1  Neck.  Neck symptoms (833 causes)
Snake doctor is a local name for an insect. Some people also call this fellow a snake dragon. Others may call any kind of dragonfly a snake doctor. This is very confusing. It shows why the experts have given a special name to each creature and each plant.
Chelicerates-named for clawlike feeding appendages called chelicerae which serve as pincers or fangs -anterior cephalothorax and posterior abdomen-lack antennae -simple eyes -earliest were eurypterids or water scorpions-bulk of modern ones are arachnids, includes scorpions, spiders, ticks, and mites-have cephalothorax that has six paris of appendages: the chelicerae, a pair of appendages called pedipalps that function in sensing, feeding or reproduction; and four pairs of walking legs -in ...