Definition of epidermis in English:

epidermis

noun

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

    • ‘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.’
    • ‘The skin consists of an epidermis, dermis, adipose tissue layer and subcutaneous connective tissue.’
    • ‘At the end of gastrulation, the epidermis only covers the dorsal region and the ventral region is bare.’
    • ‘The thickness of the epidermis, dermis, and subcutaneous tissue varies from person to person and from one part of the body to another.’
    • ‘A second-degree burn involves the epidermis, the dermis and usually forms blisters that may be the result of superficial or deep dermal necrosis.’
    1. 1.1Botany The outer layer of tissue in a plant, except where it is replaced by periderm.
      • ‘Guard cells are located in the epidermis of plant leaves and, in pairs, form stomatal pores.’
      • ‘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.’
      • ‘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.’
      • ‘Tomato is a fleshy fruit composed of different tissues: the epidermis, the pericarp and the placenta, and locular tissue including seeds (pulp).’

Origin

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

Pronunciation

epidermis

/ˌɛpɪˈdəːmɪs/