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dermis

Line breaks: der¦mis
Pronunciation: /ˈdəːmɪs
 
/

Definition of dermis in English:

noun

[mass noun] technical
1The skin.
Example sentences
  • The dermal-epidermal junction, papillary dermis, and reticular dermis were assessed separately.
  • Mitotic figures are variably present, and tumor aggregates may extend into the reticular dermis or even subcutaneous fat.
  • The reactive epithelium may extend into the superficial reticular dermis, simulating a carcinoma.
1.1 Anatomy The thick layer of living tissue below the epidermis which forms the true skin, containing blood capillaries, nerve endings, sweat glands, hair follicles, and other structures.
Example sentences
  • The thicker or inner layer of the dermis contains blood vessels, hair follicles, nerve endings, sweat and sebaceous glands.
  • The middle layer, or dermis, contains connective tissue, small blood vessels, sweat and oil glands, nerves, and cells that produce collagen, called fibroblasts.
  • The biopsy should include surrounding skin with underlying dermis and connective tissue so that the pathologist can evaluate the depth of stromal invasion.

Origin

mid 19th century: modern Latin, suggested by epidermis.

Derivatives

dermal

1
adjective
Example sentences
  • Stromal retraction between tumor islands and dermal connective tissue was observed in 12 cases.
  • The blood is fixed within damaged capillaries in the deep dermal plexus
  • While the dermal layer has many capillaries, it has fewer nerve endings at sites other than the fingers.

dermic

2
adjective ( rare )
Example sentences
  • At a dermic level, it gives back to the tissue its characteristic firmness and elasticity.
  • A new biopsy showed the persistence of the dermic infiltration, compatible with ‘T’ cutaneous lymphoma.
  • The cutaneous lesions are manifestly of the allergic type, the proteins of the microfilaria sensitizing the dermic tissues.

Definition of dermis in:

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