| 单词 | cortex | 
| 释义 | cortex [`kȯr´teks]  ANATOMY The outer portion of an organ or structure, such as of the brain and adrenal glands.  BOTANY A primary tissue in roots and stems of vascular plants that extends inward from the epidermis to the phloem.  CYTOLOGY A peripheral layer in many cells that includes the plasma membrane and associated cytoskeletal and extracellular components.  INVERTEBRATE ZOOLOGY The peripheral layer of certain protozoans.  | 
	
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