#silk_gland__serictery__sericterium  silk-producing gland of insects (especially of a silkworm) or spiders
  supertype:  gland__secretory_organ__secretoryorgan__secretor__secreter  any of various organs that synthesize substances needed by the body and release it through ducts or directly into the bloodstream
  part of:  silkworm  hairless white caterpillar of the Chinese silkworm moth; source of most commercial silk
  part of:  giant_silkworm__giantsilkworm__silkworm__wild_wilkworm  larva of a saturniid moth; spins a large amount of strong silk in constructing its cocoon

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