Definition of epidermis in English:



Zoology Anatomy
  • 1The surface epithelium of the skin, overlying the dermis.

    • ‘The thickness of the epidermis, dermis, and subcutaneous tissue varies from person to person and from one part of the body to another.’
    • ‘At the end of gastrulation, the epidermis only covers the dorsal region and the ventral region is bare.’
    • ‘The skin consists of an epidermis, dermis, adipose tissue layer and subcutaneous connective tissue.’
    • ‘A second-degree burn involves the epidermis, the dermis and usually forms blisters that may be the result of superficial or deep dermal necrosis.’
    • ‘Although it is composed of two primary layers, the outer epidermis and the inner dermis, it also contains arteries, veins, nerve fibers, sweat glands and hair follicles among other things.’
    1. 1.1Botany The outer layer of tissue in a plant, except where it is replaced by periderm.
      • ‘Leaves are composed of various kinds of tissues, including epidermis, mesophyll, bundle sheath, and vascular bundles.’
      • ‘The plant epidermis is a multifunctional tissue playing important roles in water relations, defence and pollinator attraction.’
      • ‘Tomato is a fleshy fruit composed of different tissues: the epidermis, the pericarp and the placenta, and locular tissue including seeds (pulp).’
      • ‘Guard cells are located in the epidermis of plant leaves and, in pairs, form stomatal pores.’
      • ‘In the epidermis of third-year leaves, the densest silica deposition was observed in silica cells of both the adaxial and abaxial epidermises as in first-year leaves.’


Early 17th century: via late Latin from Greek, from epi ‘upon’ + derma ‘skin’.