dermis

Thân thiện

The diagram shows a cross-section of the dermis beneath the epidermis.

Definition

1. Noun:
   • The deep vascular inner layer of the skin: The dermis is the thick layer of living tissue below the epidermis (the outer layer). It contains blood vessels, nerve endings, sweat glands, and hair follicles.

Usage

• The dermis provides structural support and elasticity to the skin.
• Injuries that penetrate the dermis often bleed and may scar.
• Collagen and elastin fibers within the dermis are responsible for skin strength and flexibility.

Examples

Advanced Usage

• "Dermal" (adjective): Pertaining to the dermis.
  • Dermal fillers are injected into the dermis to reduce the appearance of wrinkles.
• In medical terminology, the dermis is often discussed in contrast to the epidermis and hypodermis (subcutaneous layer).

Variants and Related Words

• Dermal (adj): Of or relating to the dermis.
• Dermatology (n): The branch of medicine concerned with the skin and its diseases. (Note: This is a related but broader term).
• Corium (n): A technical synonym for the dermis, used primarily in biological and medical contexts.

Synonyms

• Corium: The deep layer of the skin.
• Cutis vera: Another technical term for the true skin, i.e., the dermis.

Word Formation Notes

• The word dermis comes from the Greek , meaning "skin." It is a root for many English words related to skin.
• The prefix epi- (meaning "upon") combined with forms epidermis (the outer layer upon the dermis).
• The prefix hypo- (meaning "under") combined with forms hypodermis (the layer under the dermis).

Common Contexts

• Used in fields of anatomy, medicine, dermatology, and biology.
• Frequently appears in discussions about skin anatomy, wound healing, aging, cosmetic procedures, and skin diseases.

Học thuật

Noun

1. the deep vascular inner layer of the skin

Từ đồng nghĩa

• corium
• derma