Definition of exodermis in English:

exodermis

Line breaks: exo|der¦mis
Pronunciation: /ˌɛksə(ʊ)ˈdəːmɪs
 
/

noun

[mass noun] Botany
  • A specialized layer in a root beneath the epidermis or velamen.
    More example sentences
    • In the endodermis and exodermis of roots, the apoplastic flow component can be modified by the existence of apoplastic barriers.
    • There were no visible differences in the development of endodermis, exodermis and aerenchyma between the two varieties and growth conditions.
    • Thus, water channels in the epidermis and/or exodermis of the older regions were especially significant for water flow.

Origin

early 20th century: from exo- 'outside', on the pattern of endodermis, epidermis.

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elaborate ornamentation of a vocal melody