Once phlebotomy is performed ( in most insects by a specialized fine hollow " needle, " the proboscis, which perforates skin and incisor teeth that act as a razor to cut the skin ), blood is acquired either by sucking action directly from the veins or capillaries, from a pool of escaped blood, or by lapping ( again, in bats ).
42.
Dr . Roger Mugford, a zoologist and psychologist described to the court as the leading expert in Britain on dog aggression, testified that Dotty was a " placid " and " playful " dog and that in the incident she had used only her incisor teeth, which terriers use to groom themselves rather than the four " canine " ones they use to attack.
