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Human Anatomy
The purpose of this textbook is to serve as a resource for students who are taking a first semester human anatomy course. All efforts were made to ensure the material covered in this resource is consistent, accurate, and accessible. This material was also designed to be equitable, diverse, and inclusive. (Thumbnail Image credit: "Anatomy head - semi profile - close-up of mouth area" by Medical Graphics is licensed under CC BY-ND 4.0)
- Author
- Whitney Menefee, Julie Jenks, Chiara Mazzasette, & Kim-Leiloni Nguyen
- Publisher
- Reedley College, Butte College, Pasadena City College, & Mt. San Antonio College
- Source
- LibreTexts
- License
- CC BY
- Language
- EN
Contents· 158 sections
- 01: An Introduction to the Human Body
- 1.01: Introduction to the Human Body
- 1.02: Overview of Anatomy and Physiology
- 1.03: Structural Organization of the Human Body
- 1.04: Functions of Human Life
- 1.05: Homeostasis
- 1.06: Anatomical Terminology
- 1.07: Medical Imaging
- 02: Cellular Level of Organization
- 2.01: Introduction to the Cellular Level of Organization
- 2.02: The Cell Membrane
- 2.03: The Cytoplasm and Cellular Organelles
- 2.04: The Nucleus
- 2.05: Cell Growth and Division
- 2.06: Cellular Differentiation
- 03: Tissue Level of Organization
- 3.01: Introduction to the Tissue Level of Organization
- 3.02: Types of Tissues
- 3.03: Epithelial Tissue
- 3.04: Connective Tissue
- 3.05: Muscle Tissue
- 3.06: Nervous Tissue
- 3.07: Tissue Injury and Aging
- 04: Integumentary System
- 4.01: Introduction to the Integumentary System
- 4.02: Layers of the Skin
- 4.03: Accessory Structures of the Skin
- 4.04: Functions of the Integumentary System
- 4.05: Diseases Disorders and Injuries of the Integumentary System
- 05: Bone Tissue and Skeletal System
- 5.01: Introduction to Bone Tissue and the Skeletal System
- 5.02: Functions of the Skeletal System
- 5.03: Bone Structure
- 5.04: Bone Formation and Development
- 5.05: Fractures - Bone Repair
- 5.06: Exercise Nutrition Hormones and Bone Tissue
- 5.07: Bone Classification
- 06: Axial Skeleton
- 6.01: Introduction to the Skeleton System
- 6.02: Divisions of the Skeletal System
- 6.03: The Skull
- 6.04: The Vertebral Column
- 6.05: The Thoracic Cage
- 6.06: Embryonic Development of the Axial Skeleton
- 07: Appendicular Skeleton
- 7.01: Introduction to the Appendicular Skeleton
- 7.02: The Pectoral Girdle
- 7.03: Bones of the Upper Limb
- 7.04: The Pelvic Girdle and Pelvis
- 7.05: Bones of the Lower Limb
- 7.06: Embryonic Development of the Appendicular Skeleton
- 08: Joints
- 8.01: Introduction
- 8.02: Classification of Joints
- 8.03: Fibrous Joints
- 8.04: Cartilaginous Joints
- 8.05: Synovial Joints
- 8.06: Types of Body Movements
- 8.07: Anatomy of Selected Synovial Joints
- 8.08: Development of Joints
- 09: Skeletal Muscle Tissue
- 9.01: Introduction to Muscle Tissue
- 9.02: Overview of Muscle Tissues
- 9.03: Skeletal Muscle
- 9.04: Muscle Fiber Contraction and Relaxation
- 9.05: Types of Muscle Fibers
- 9.06: Development and Regeneration of Muscle Tissue
- 10: Muscular System
- 10.01: Introduction to the Muscular System
- 10.02: Interactions of Skeletal Muscles Their Fascicle Arrangement and Their Lever Systems
- 10.03: Naming Skeletal Muscle
- 10.04: Axial Muscles of the Head Neck and Back
- 10.05: Axial Muscles of the Abdominal Wall and Thorax
- 10.06: Appendicular Muscles of the Pectoral Girdle and Upper Limbs
- 10.07: Appendicular Muscles of the Pelvic Girdle and Lower Limbs
- 11: Nervous System and Nervous Tissue
- 11.01: Introduction to the Nervous System
- 11.02: Organization and Functions of the Nervous System
- 11.03: Anatomy of Nervous Tissue
- 11.04: Neuronal Communication
- 11.05: Development of the Nervous System
- 12: Central and Peripheral Nervous System
- 12.01: Introduction to the Central and Peripheral Nervous System
- 12.02: Support and Protection of the Brain
- 12.03: Brain- Cerebrum
- 12.04: Brain- Diencephalon Brainstem Cerebellum and Limbic System
- 12.05: Cranial Nerves
- 12.06: Spinal Cord and Spinal Nerves
- 13: Somatic Senses Integration and Motor Responses
- 13.01: Introduction to the Somatic Nervous System
- 13.02: Touch Taste and Smell
- 13.03: Hearing Balance and Vision
- 13.04: Integration of Somatic Functions
- 13.05: Somatic Motor Responses
- 14: Autonomic Nervous System
- 14.01: Introduction to the Autonomic Nervous System
- 14.02: Divisions of the Autonomic Nervous System
- 14.03: Autonomic Synapses Effects and Reflexes
- 14.04: Central Control Autonomic Function
- 15: Endocrine System
- 15.01: Introduction to the Endocrine System
- 15.02: An Overview of the Endocrine System
- 15.03: Pituitary Gland and Hypothalamus
- 15.04: Thyroid Gland
- 15.05: Parathyroid Glands
- 15.06: Adrenal Glands
- 15.07: Pineal Gland
- 15.08: Gonadal and Placental Hormones
- 15.09: Endocrine Pancreas
- 15.10: Organs with Secondary Endocrine Functions
- 15.11: Development and Aging of the Endocrine System
- 16: Cardiovascular System - Blood
- 16.01: Introduction to Blood
- 16.02: An Overview of Blood
- 16.03: Erythrocytes
- 16.04: Leukocytes and Platelets
- 16.05: Production of the Formed Elements
- 16.06: Blood Typing
- 17: Cardiovascular System - Heart
- 17.01: Introduction to the Heart
- 17.02: Heart Anatomy
- 17.03: Cardiac Muscle and Electrical Activity
- 17.04: Coronary Circulation
- 17.05: Development of the Heart
- 18: Cardiovascular System - Blood Vessels and Circulation
- 18.01: Introduction to Blood Vessels and Circulation
- 18.02: Structure and Function of Blood Vessels
- 18.03: Circulatory Pathways
- 18.04: Development of Blood Vessels and Fetal Circulation
- 19: Lymphatic and Immune System
- 19.01: Introduction to the Lymphatic and Immune Systems
- 19.02: Functions of the Lymphatic and Immune Systems
- 19.03: Anatomy of Lymphatic Vessels
- 19.04: Anatomy of Lymphatic Organs and Tissues
- 20: Respiratory System
- 20.01: Introduction to the Respiratory System
- 20.02: Organs and Structures of the Respiratory System
- 20.03: The Lungs
- 20.04: The Processes of the Respiratory System
- 20.05: Embryonic Development of the Respiratory System
- 21: Digestive System
- 21.01: Introduction to the Digestive System
- 21.02: Organs of the Digestive System
- 21.03: Digestive System Processes and Regulation
- 21.04: Mouth Pharynx and Esophagus
- 21.05: Stomach
- 21.06: Small and Large Intestines
- 21.07: Accessory Organs in Digestion- Liver Pancreas and Gallbladder
- 22: Urinary System
- 22.01: Introduction to the Urinary System
- 22.02: Overview of the Kidney
- 22.03: Microscopic Anatomy of the Kidney
- 22.04: Urinary Tract
- 23: Reproductive System
- 23.01: Introduction to the Reproductive System
- 23.02: Anatomy of the Male Reproductive System
- 23.03: Anatomy of the Female Reproductive System
- 23.04: Development of the Male and Female Reproductive Systems