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NAL Agricultural Thesaurus
U.S. Department of Agriculture

Concept Breadcrumbs

Fields of Study > animal science > anatomy and morphology > plant anatomy > plant tissues > epidermis (plant) > root epidermis > velamen
Animals, Livestock, One Health > animal science > anatomy and morphology > plant anatomy > plant tissues > epidermis (plant) > root epidermis > velamen
Fields of Study > botany > plant biology > plant anatomy > plant tissues > epidermis (plant) > root epidermis > velamen
Plant Production, Gardening > botany > plant biology > plant anatomy > plant tissues > epidermis (plant) > root epidermis > velamen
Fields of Study > animal science > anatomy and morphology > tissues > plant tissues > epidermis (plant) > root epidermis > velamen
Animals, Livestock, One Health > animal science > anatomy and morphology > tissues > plant tissues > epidermis (plant) > root epidermis > velamen
Fields of Study > animal science > anatomy and morphology > plant anatomy > roots > root anatomy > root epidermis > velamen
Animals, Livestock, One Health > animal science > anatomy and morphology > plant anatomy > roots > root anatomy > root epidermis > velamen
Fields of Study > botany > plant biology > plant anatomy > roots > root anatomy > root epidermis > velamen
Plant Production, Gardening > botany > plant biology > plant anatomy > roots > root anatomy > root epidermis > velamen
Preferred Term:

velamen

Definition:
Velamen is multiseriate, spongy layer of root epidermis that is composed of dead and air-filled cells. It is capable of rapid absorption and storage of water. It protects the root against excessive heating and water loss. It is mostly present in aerial roots of epiphytes.
Concept Schemes:
NALT Full
Broader Concept:
root epidermis
Related Concepts:
Entry Terms:
  • velamen roots
  • velamen radicum
URI:
https://lod.nal.usda.gov/nalt/309577
Download this Concept:
RDF/XMLCreated 2017-10-04, last modified 2019-12-17