QuestionSBA
QuestionChoice
This layer is located above the stratum basale. It usually contains several layers of keratinocytes which are attached by desmosomes, hence giving a 'spine-like' appearance.
10005042
b
Stratum spinosum
QuestionChoice
This layer only exists in thick skin which has 5 layers.
10005044
d
Stratum lucidum
QuestionChoice
This layer contains basal cells which serve as stem cells for the epithelium. These cells divide and produce keratinocytes which move up through the different layers of the epidermis. Within this layer melanocytes and Merkel cells are present.
10005041
a
Stratum basale
QuestionChoice
This is usually 1-3 layers thick and contains keratinocytes. Here the keratinocytes contain keratohyalin granules.
10005043
c
Stratum granulosum
QuestionChoice
This is the uppermost layer of the epidermis. It contains corneocytes (originally keratinocytes before moving to the final layer) which have no nuclei or cytoplasmic organelles. These are eventually desquamated (detached from the skin).
10005045
e
Stratum corneum
Concept
Chapter
2693
4364
Layers of the skin
Topic
144
Dermatology
13555
In which layer of the epidermis are Merkel cells present?
a