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Biology
Anatomy and Physiology
Human Anatomy
1. Introduction to Human Anatomy
2. Histology: The Study of Tissues
3. The Integumentary System
4. The Skeletal System
5. The Muscular System
6. The Nervous System
7. The Endocrine System
8. The Cardiovascular System
9. The Lymphatic and Immune System
10. The Respiratory System
11. The Digestive System
12. The Urinary System
13. The Reproductive System
The Integumentary System
Overview and Functions of the Integumentary System
Protection
Physical Protection
Chemical Protection
Biological Protection
Sensation
Touch Receptors
Temperature Receptors
Pain Receptors
Thermoregulation
Heat Production
Heat Loss
Vasodilation and Vasoconstriction
Excretion
Sweat Production
Waste Elimination
Vitamin D Synthesis
UV Light Conversion
Calcium Metabolism
The Skin (Cutaneous Membrane)
Epidermis
Layers of the Epidermis
Stratum Basale
Structure
Cell Division
Melanocytes
Stratum Spinosum
Structure
Desmosomes
Langerhans Cells
Stratum Granulosum
Structure
Keratohyalin Granules
Cell Death
Stratum Lucidum
Thick Skin Only
Structure
Stratum Corneum
Dead Cells
Keratin
Barrier Function
Cells of the Epidermis
Keratinocytes
Structure
Function
Life Cycle
Melanocytes
Structure
Melanin Production
Distribution
Langerhans Cells
Structure
Immune Function
Merkel Cells
Structure
Sensory Function
Dermis
Papillary Layer
Structure
Dermal Papillae
Fingerprints
Blood Supply
Capillaries and Nerve Endings
Sensory Receptors
Blood Vessels
Reticular Layer
Structure
Collagen and Elastic Fibers
Strength
Elasticity
Blood Vessels and Nerves
Vascular Supply
Innervation
Hypodermis (Subcutaneous Layer)
Structure and Function
Loose Connective Tissue
Insulation
Shock Absorption
Adipose Tissue
Fat Storage
Energy Reserve
Accessory Structures of the Skin
Hair and Hair Follicles
Structure of Hair
Hair Shaft
Hair Root
Hair Bulb
Hair Follicle Structure
External Root Sheath
Internal Root Sheath
Dermal Papilla
Hair Growth Cycle
Anagen Phase
Catagen Phase
Telogen Phase
Functions of Hair
Protection
Insulation
Sensory Function
Nails
Structure of the Nail
Nail Plate
Nail Bed
Nail Root
Cuticle
Lunula
Growth and Function
Nail Growth Rate
Protection Function
Glands
Sebaceous (Oil) Glands
Structure and Function
Holocrine Secretion
Associated with Hair Follicles
Sebum Production
Composition
Functions
Sudoriferous (Sweat) Glands
Eccrine Glands
Structure
Distribution
Function
Apocrine Glands
Structure
Distribution
Function
Functions of Sweat
Thermoregulation
Excretion
Skin Color and Pigmentation
Melanin
Types of Melanin
Production Process
Distribution
Carotene
Source
Color Contribution
Hemoglobin
Oxygenated vs Deoxygenated
Color Changes
Clinical Considerations
Burns
First-Degree Burns
Second-Degree Burns
Third-Degree Burns
Treatment Principles
Skin Cancer
Basal Cell Carcinoma
Squamous Cell Carcinoma
Melanoma
Risk Factors
Wound Healing
Inflammatory Phase
Proliferative Phase
Maturation Phase
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2. Histology: The Study of Tissues
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4. The Skeletal System