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单词 hypoderm
释义

WordReference Random House Unabridged Dictionary of American English © 2024
hy•po•der•mis  (hī′pə dûrmis),USA pronunciation n. 
  1. Zoologyan underlayer of epithelial cells in arthropods and certain other invertebrates that secretes substances for the overlying cuticle or exoskeleton.
  2. Botanya tissue or layer of cells beneath the epidermis.
Also, hypo•derm′. 
  • hypo- + -dermis 1865–70
hy′po•dermal, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
hypodermis /ˌhaɪpəˈdɜːmɪs/, hypoderm n
  1. a layer of thick-walled supportive or water-storing cells beneath the epidermis in some plants
  2. the epidermis of arthropods, annelids, etc, which secretes and is covered by a cuticle
Etymology: 19th Century: from hypo- + epidermis
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更新时间:2024/11/10 17:22:04