Share this entry

Share this page

exodermis

Syllabification: ex·o·der·mis
Pronunciation: /ˌeksōˈdərməs
 
/

Definition of exodermis in English:

noun

Botany
A specialized layer in a root beneath the epidermis or velamen.
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.

Definition of exodermis in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day snarf
Pronunciation: snärf
verb
eat or drink quickly or greedily