Definition, Meaning & Synonyms

stratum granulosum

Noun
/ˈstrātəm ˌgranəˈlōsəm/
Definition
A layer of the skin located above the stratum spinosum and below the stratum lucidum.
Examples
  • The stratum granulosum is composed of several layers of flattened keratinocytes.
  • In psoriasis, the stratum granulosum may be disrupted, affecting skin health.
  • The cells in the stratum granulosum start to lose their nuclei as they move towards the outer layers of skin.
Meaning
The stratum granulosum is a critical part of the epidermis where keratinocytes undergo a process of keratinization, contributing to the skin’s protective barrier.
Synonyms
  • Granular layer
  • Thin skin layer
  • Keratinocyte layer