http://medical-terms.tematres.dev.ekt.gr/vocabhttp://medical-terms.tematres.dev.ekt.gr/vocab?tema=18559lymphatic vessels http://medical-terms.tematres.dev.ekt.gr/vocab?tema=18559 lymphatic system BT http://medical-terms.tematres.dev.ekt.gr/vocab?tema=18559 lymphoid tissue RT http://medical-terms.tematres.dev.ekt.gr/vocab?tema=18559 thoracic duct NT