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duct
has definitions from the fields of anatomy,zoology,botany
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[ noun ] (anatomy,zoology) a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance
Synonyms Examples "the tear duct was obstructed" "the alimentary canal" "poison is released through a channel in the snake's fangs" Used in print (Richard F. McLaughlin, et al., "A study of the...)The pulmonary_artery , in_addition to supplying the distal portion of the respiratory bronchiole , the alveolar duct , and the alveoli , continues on and directly supplies the thin pleura ( fig. 8 ) . For_example , the marked susceptibility of the monkey to respiratory infection might be related_to its delicate , long alveolar ducts and short , large bronchioles situated within a parenchyma entirely lacking in protective supportive tissue barriers such_as those found in types 1 , and 3 , . Related terms passage bronchiole pore ductule pancreatic_duct canaliculus lacrimal_duct hepatic_duct common_bile_duct ejaculatory_duct cartilaginous_tube salivary_duct lymph_vessel cerebral_aqueduct urethra cervical_canal umbilical_cord vagina epididymis vas_deferens seminal_duct ureter venous_sinus spinal_canal alimentary_canal canal_of_schlemm nasolacrimal_duct haversian_canal canalis_inguinalis lactiferous_duct ampulla transmit |
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[ noun ] (botany) a continuous tube formed by a row of elongated cells lacking intervening end walls
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[ noun ] an enclosed conduit for a fluid
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