A scolex is the "mouth" of a tapeworm. It is lined with suckers
and hooks which help attach the tapeworm to its host.
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The Scolex if very small in comparing the proglottid. The scolex
is the frontal end that has the suckers (hooks) on it then is
connected to the neck then the proglottid. The proglottids are a
series of segments and can be up to 10-15 m long.