The layer of polyhedral cells in the epidermis found between the stratum granulosum and stratum basale; shrinkage and adhesion of these cells gives a spiny or prickly appearance. [ MP:0001236 https://www.worldcat.org/search?q=bn%3A0-683-40008-8 ]
Synonyms: stratum spinosum prickle cell layer of epidermis squamous cell layer of epidermis epidermis stratum spinosum
Term information
- SCTID:420086000
- Wikipedia:Stratum_spinosum
- MA:0000807
- BTO:0000435
- NCIT:C12850
- UMLS:C0221924 (ncithesaurus:Stratum_Spinosum)
- EMAPA:32785
- FMA:67542
pheno_slim, human_reference_atlas
Has cells that produce and secrete bipolar lipids which prevent evaporation, helping to 'water-proof' the skin. Keratinization begins in the stratum spinosum. [Wikipedia:Stratum_spinosum]
Term relations
- integumentary system layer
- protein-containing material entity
- ectoderm-derived structure
- cellular anatomical structure
- has part some prickle cell
- part of some skin epidermis
- adjacent to some stratum basale of epidermis
- adjacent to some stratum granulosum of epidermis
- has part some Langerhans cell