Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

5. Integumentary System

The Epidermis: Cells

Anatomy & Physiology

5. Integumentary System

The Epidermis: Cells

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3:27 minutes

Problem 9f

Textbook Question

Match the appropriate structure with the proper description and/or function.
1. Made of dense, irregular connective tissue
2. Produce sebum
3. Helps regulate body temperature by producing sweat
4. Cause fingerprints
5. Houses the hair root
6. Superficial keratinized stratified squamous epithelium
7. Deep pressure receptors
8. Vascular layer that houses skin appendages
a. Dermal papillae
b. Lamellar corpuscles
c. Dermis
d. Hair follicle
e. Epidermis
f. Eccrine sweat gland
g. Reticular layer
h. Sebaceous glands

Verified step by step guidance

Step 1: Understand the term 'superficial keratinized stratified squamous epithelium.' This refers to the outermost layer of the skin, which is composed of multiple layers of flat cells that are keratinized (hardened with keratin protein) to provide protection. This structure is characteristic of the epidermis.

Step 2: Review the options provided and identify which structures are associated with the epidermis. The epidermis is the superficial layer of the skin, so any structure directly related to it should be considered.

Step 3: Eliminate options that are part of deeper layers of the skin, such as the dermis (e.g., dermal papillae, reticular layer, lamellar corpuscles) or associated structures like sebaceous glands, eccrine sweat glands, and hair follicles, which are located in or extend into the dermis.

Step 4: Confirm that the correct match for 'superficial keratinized stratified squamous epithelium' is the epidermis, as this is the layer composed of this specific type of epithelium.

Step 5: Finalize the answer by selecting 'e. epidermis' as the correct match for the description of superficial keratinized stratified squamous epithelium.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Superficial Keratinized Stratified Squamous Epithelium

This type of epithelium is characterized by multiple layers of cells, with the outermost layer being composed of dead, keratin-filled cells. It provides a protective barrier against environmental damage, pathogens, and water loss. This structure is primarily found in the epidermis, the outermost layer of the skin, which plays a crucial role in maintaining skin integrity.

Epidermis

The epidermis is the outermost layer of the skin, composed mainly of keratinized stratified squamous epithelium. It serves as the first line of defense against external factors and is involved in processes such as sensation, thermoregulation, and the synthesis of vitamin D. The epidermis is avascular, relying on the underlying dermis for nutrient supply and support.

Dermal Structures

Dermal structures include various components found within the dermis, such as hair follicles, sebaceous glands, and sweat glands. These structures play essential roles in thermoregulation, secretion, and sensory perception. Understanding the relationship between the epidermis and these dermal components is crucial for comprehending skin function and health.