Definition

1. Noun:
   • The deep vascular inner layer of the skin: In anatomy, "derma" refers specifically to the dermis, the thick layer of living tissue below the epidermis. It contains blood vessels, nerve endings, sweat glands, and hair follicles.

Usage

• "Derma" is a technical term used primarily in medical and biological contexts. It is less common in everyday speech, where "dermis" is more frequently used.

Examples

• Noun:
  • The biopsy sample included both the epidermis and the derma.
  • A severe burn can damage the derma, affecting its ability to regenerate.

Advanced Usage

• "Derma-" as a combining form: In medical terminology, "derma-" is often used as a prefix to form words related to the skin.
  • Dermatology is the branch of medicine concerned with the skin and its diseases.

Variants and Related Words

• Dermis (n): The more common synonym for "derma," meaning the same inner layer of skin.
• Cutis (n): Another formal term for the skin, especially the dermis and epidermis together.
• Dermatology (n): The study of skin and its disorders.
• Dermatitis (n): Inflammation of the skin.
• Epidermis (n): The outer, protective layer of the skin, which lies above the derma/dermis.

Synonyms

• Dermis: The deep vascular inner layer of the skin.
• Corium: A technical synonym for the dermis.

Notes

• The word "derma" is of Greek origin, from "derma" meaning "skin." It is the root for many English words related to skin.

Noun

1. the deep vascular inner layer of the skin