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BIOS 251 Week 4 Case Study: Tissue – Graded An A+
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BIOS 251 Week 4 Case Study: Tissue – Graded An A+ 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, granulosu...

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  • October 7, 2024
  • 5
  • 2024/2025
  • Case
  • Ann
  • A+

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Tissue 1




Week 4 Case Study: Tissues

Taylor Schmidt

Chamberlain University College of Nursing

Anatomy & Physiology 1 with Lab

Dr. Elizabeth Kostal

September 26th, 2021




This study source was downloaded by 100000891712681 from CourseHero.com on 10-03-2024 09:40:45 GMT -05:00


https://www.coursehero.com/file/107266248/Week-4-Case-Study-1docx/

, 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.


This study source was downloaded by 100000891712681 from CourseHero.com on 10-03-2024 09:40:45 GMT -05:00


https://www.coursehero.com/file/107266248/Week-4-Case-Study-1docx/

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