corneum

Thân thiện

The dermatologist points to the corneum under the microscope.

Definition

1. Noun:
   • The outermost layer of the epidermis: The "corneum" is the most superficial layer of the skin, composed primarily of dead skin cells (corneocytes) that are in the process of sloughing off. It serves as a protective barrier.

Usage

• The term "corneum" is a specialized anatomical and dermatological term. It is almost always used as part of the full term stratum corneum.
• It functions as a singular noun.
  • The integrity of the stratum corneum is essential for preventing water loss.
  • This moisturizer helps to repair the damaged corneum.

Advanced Usage

• "Stratum corneum": This is the complete and standard term. "Stratum" means "layer," so "stratum corneum" translates to "horny layer," referring to its tough, keratinized nature.
  • The stratum corneum acts as the body's primary barrier against environmental pathogens.

Variants and Related Words

• Stratum corneum (n): The full, technical name for the corneum.
• Corneocyte (n): A dead, keratinized skin cell that makes up the bulk of the stratum corneum.
• Epidermis (n): The outer layer of the skin, of which the corneum is the topmost part.

Synonyms

• Horny layer: A direct, descriptive synonym for "stratum corneum."
• Outer epidermal layer: A less technical descriptive phrase.

Notes on Meaning

• The word "corneum" is derived from Latin, meaning "horny," referring to the tough, keratin-rich nature of the cells in this layer. It is a specific scientific term and is not used in everyday conversation outside of medical, biological, or skincare contexts.

Học thuật

Noun

1. the outermost layer of the epidermis consisting of dead cells that slough off

Từ đồng nghĩa

• stratum corneum
• horny layer