Tissue 1
Week 4 Case Study: Tissue
Student Name
Chamberlain University College of Nursing
Anatomy & Physiology 1 with Lab
September 26th, 2021
, Tissue 2
Describe the five different layers of the skin.
The five layers of the skin are known as the epidermis, which is divided further into five
different layers. The layers are stratum corneum, stratum lucidum, spinosum, granulosum, and
stratum basale. All five of these layers contain different characteristics and responsibilities for
the skin.
- Stratum corneum is the most superficial layer and is the one that is visible, so an
individual can see this layer with their eyes. In the article Skin 1: the structure and
functions of the skin by writer Sandra Lawton she states that within this layer it is made
up of dead skin cells that are filled with keratin, a tougher protein (Lawton, 2021). The
components of this layer not having a nucleus or water present make it waterproof.
- In the article previously stated by Sandra Lawton states that Stratum lucidum is the next
layer which contains dead keratinocytes due to the further distance from the surface and
inability for rich blood supply (Lawton, 2021). This is the layer that is most found in
palms of the hands or soles of the feet where the skin is thickest.
- The Spinosum and Granulosum layers are the next layers. In the book Anatomy and
Physiology: Unity of Form and Function by Kenneth Saladin he states that these layers
both contain cells that are spiny-shaped due to having the responsibility of the skin's
strength and flexibility (Saladin, 2019).
- Stratum basale is the deepest layer of skin. This layer is the basal layer which is the
innermost layer of the epidermis. The stratum basale is located near the blood supply
of the dermis and its cells are the only ones capable of mitosis while containing
keratinocytes. This layer moves upwards as the cells age until they have reached the
outermost layer of the skin: the stratum corneum.
Week 4 Case Study: Tissue
Student Name
Chamberlain University College of Nursing
Anatomy & Physiology 1 with Lab
September 26th, 2021
, Tissue 2
Describe the five different layers of the skin.
The five layers of the skin are known as the epidermis, which is divided further into five
different layers. The layers are stratum corneum, stratum lucidum, spinosum, granulosum, and
stratum basale. All five of these layers contain different characteristics and responsibilities for
the skin.
- Stratum corneum is the most superficial layer and is the one that is visible, so an
individual can see this layer with their eyes. In the article Skin 1: the structure and
functions of the skin by writer Sandra Lawton she states that within this layer it is made
up of dead skin cells that are filled with keratin, a tougher protein (Lawton, 2021). The
components of this layer not having a nucleus or water present make it waterproof.
- In the article previously stated by Sandra Lawton states that Stratum lucidum is the next
layer which contains dead keratinocytes due to the further distance from the surface and
inability for rich blood supply (Lawton, 2021). This is the layer that is most found in
palms of the hands or soles of the feet where the skin is thickest.
- The Spinosum and Granulosum layers are the next layers. In the book Anatomy and
Physiology: Unity of Form and Function by Kenneth Saladin he states that these layers
both contain cells that are spiny-shaped due to having the responsibility of the skin's
strength and flexibility (Saladin, 2019).
- Stratum basale is the deepest layer of skin. This layer is the basal layer which is the
innermost layer of the epidermis. The stratum basale is located near the blood supply
of the dermis and its cells are the only ones capable of mitosis while containing
keratinocytes. This layer moves upwards as the cells age until they have reached the
outermost layer of the skin: the stratum corneum.
