General Anatomy Hub
A structured, exam-oriented foundation for understanding human anatomy.
General Anatomy Hub
Foundations
Core concepts, terminology, and anatomical orientation needed for everything else.
Human Anatomy – Introduction, Branches & How to Study
Explore the definition, subdivisions, and approaches to studying human anatomy. Learn about gross anatomy, histology, and the body's 11 major organ systems.
History of Anatomy – Key Milestones from Galen to Modern Era
A brief overview of the key figures and milestones in the history of anatomy, from the ancient Greeks to the pioneers of modern radiological and digital anatomy.
Anatomical Nomenclature – Why Terms Are Standardized
Discover the history of anatomical terminology, from its Greek and Latin roots to the modern standardization efforts like the Basle Nomina Anatomica (BNA).
Anatomical Terminology – Essential Direction & Movement Terms
A complete glossary of essential anatomical terms describing position, movement, and structures, from anterior/posterior to flexion/extension and proximal/distal.
Anatomical Planes – Sagittal, Coronal & Transverse
Understand the three principal anatomical planes—sagittal, coronal (frontal), and transverse (horizontal)—used to describe sections and views of the human body.
Body Organization
How the body is arranged: regions, cavities, positions, and cellular basics.
Levels of Organization – Cells to Tissues, Organs & Systems
Understand the hierarchical organization of the human body, from the cellular level to tissues, organs, and the 11 integrated organ systems that form the organism.
Human Features in Anatomy – What Makes Humans Unique
Explore the distinct anatomical and physiological traits of humans, including our large brain, bipedal locomotion, opposable thumb, and capacity for speech.
Anatomical Position – Supine, Prone & Clinical Positions
Learn the standard anatomical position, the reference for all anatomical descriptions, along with the fundamental, supine, prone, and lithotomy clinical positions.
Body Regions – Major Anatomical Regions Explained
An overview of the major regions of the human body, including the head, neck, thorax, abdomen, pelvis, and the upper and lower extremities for anatomical study.
Body Cavities – Thoracic, Abdominal, Pelvic & Serous Membranes
A guide to the major body cavities—thoracic, abdominal, pelvic, cranial, and vertebral—and the protective serous membranes like the pleura and peritoneum.
Tissues, Skin & Fascia
Tissue types and coverings that support, protect, and organize body structures.
Epithelial Tissue – Types, Functions & Examples
Explore the different types of epithelial tissues, from simple squamous to stratified columnar. Learn about their functions in lining surfaces and forming glands.
Connective Tissue – Cells, Fibers & Major Types
Learn about the components of connective tissue, including collagen fibers, fibroblasts, and macrophages, and its classification into loose, dense, and specialized types.
Cartilage – Types, Structure & Growth
Learn about the three types of cartilage—hyaline, elastic, and fibrocartilage. Understand its structure, growth, and role in joints and structural support.
Glands – Exocrine vs Endocrine & Secretion Types
A classification of exocrine and endocrine glands based on structure, secretion mode, and product. Learn about merocrine, apocrine, and holocrine secretion.
Skin Anatomy – Epidermis, Dermis, Glands & Functions
An overview of the skin, the body's largest organ. Learn about the epidermis and dermis layers, skin appendages like hair and glands, and its many functions.
Skeleton & Joints
Bones, joints, movement mechanics, and essential muscle macro/micro anatomy.
Human Skeleton – Axial vs Appendicular Explained
An overview of the human skeleton, divided into the axial skeleton (skull, vertebral column, rib cage) and the appendicular skeleton (limbs and girdles).
Bone Anatomy – Structure, Types & Functions
A detailed look at bone as a dynamic tissue. Learn its microscopic structure, classification by shape and development, and functions in support and hematopoiesis.
Vertebral Column (Spine) – Vertebrae, Curves & Discs
An overview of the spine, its 33 vertebrae, intervertebral discs, and four curvatures. Learn its function in support, protection, and movement of the trunk.
Joints (Articulations) – Classification & Types
An introduction to arthrology, covering the functional (synarthroses, amphiarthroses) and structural (fibrous, cartilaginous, synovial) classifications of joints.
Fibrous Joints – Sutures, Syndesmosis & Gomphosis
A closer look at the types of immovable fibrous joints, including the sutures of the skull, the syndesmosis of the forearm, and the gomphosis of the teeth.
Nervous System
Neural basics: neurons, synapses, nerves, plexuses, and autonomic control.
Nervous System – CNS, PNS & Autonomic Divisions
An introduction to the nervous system, covering its anatomical (CNS, PNS) and functional (somatic, autonomic) divisions and their roles in controlling the body.
Neurons & Ganglia – Structure and Classification
Learn about neurons, the basic units of the nervous system, their structure (soma, axon, dendrites), and classification by polarity (unipolar, bipolar, multipolar).
Nerve Fibers & Synapses – Myelin and Transmission
Explore how nerve impulses are transmitted via myelinated and unmyelinated fibers. Understand the structure of a synapse and the role of neurotransmitters.
Peripheral Nerves & Plexuses – Spinal Nerves Explained
Learn the structure of peripheral nerves, the 31 pairs of spinal nerves, and how their ventral rami form major plexuses like the brachial and lumbosacral.
Autonomic Nervous System – Sympathetic vs Parasympathetic
An overview of the autonomic nervous system, contrasting the 'fight or flight' sympathetic division with the 'rest and digest' parasympathetic division.
Cardiovascular & Lymphatics
Circulation, vessels, microcirculation, lymphatics, and fetal circulation basics.
Blood Circulation – Pulmonary, Systemic & Portal
An overview of the three major circulatory routes in the body: the pulmonary circulation for oxygenation, systemic for body supply, and portal for processing.
Arteries – Wall Structure, Types & Pulse Points
Explore the structure of arteries, from elastic to muscular types and arterioles. Learn about the three tunics and key sites for palpating the arterial pulse.
Veins – Structure, Valves & Venous Return
An overview of veins as capacitance vessels. Learn about their three-layered structure, venous valves, and the mechanisms aiding venous return to the heart.
Capillaries & Sinusoids – Types and Key Differences
Learn the difference between continuous and fenestrated capillaries and the large, irregular sinusoids found in organs like the liver, spleen, and bone marrow.
Lymphatic System – Vessels, Nodes & Key Functions
A comprehensive overview of the lymphatic system's components, including lymph, vessels, nodes, the spleen, thymus, and its role in immunity and fluid balance.
Organ Systems
High-yield overview of major systems for integrated anatomy revision.
Respiratory System – Airways, Lungs & Gas Exchange
Explore the structures of the respiratory system, from the nasal cavity and larynx to the bronchi and alveoli, and their roles in breathing and gas exchange.
Digestive System – GI Tract Anatomy Overview
A journey through the gastrointestinal tract and accessory organs. Explore the functions of the stomach, intestines, liver, and pancreas in digestion.
Urinary System – Kidneys, Ureters, Bladder & Urethra
Learn about the urinary system's components, including the kidneys for urine formation, the ureters, the bladder for storage, and the urethra for elimination.
Endocrine System – Major Glands & Hormones Overview
An overview of the major endocrine glands, including the pituitary, thyroid, and adrenal glands, and the hormones they secrete to regulate bodily functions.
Male Reproductive System – Anatomy & Function
An overview of the male reproductive organs, including the testes for sperm production, the duct system (epididymis, vas deferens), and accessory glands.
Imaging
Radiological modalities and how to approach anatomy through imaging.
Radiological Anatomy – Intro to Medical Imaging
An introduction to medical imaging techniques, explaining how modalities like X-ray, CT, MRI, and ultrasound are used to visualize internal body structures.
Plain Radiography (X-ray) – Principles & Uses
Understanding X-rays, their properties, and how they are used in plain and contrast radiography to visualize bones, the GI tract, and other structures.
CT Scan (Computed Tomography) – Principles & Uses
Learn the principles of CT scanning, a technology that uses rotating x-rays to create detailed cross-sectional images for diagnosing deep-seated lesions.
MRI – Principles and T1 vs T2 Weighting
Explore MRI, a non-invasive imaging modality using magnetic fields to produce high-contrast images of soft tissues, ideal for brain and joint analysis.
Ultrasound (USG) – Principles & Clinical Uses
Discover how ultrasonography uses high-frequency sound waves to create real-time images of soft tissues, making it a safe tool for obstetrics and diagnostics.
Explore Related Anatomy Hubs
Embryology Hub
Developmental anatomy and embryologic processes underlying human structure and organization.
Skeletal System Hub
Bones, joints, osteology, and biomechanics forming the structural framework of the body.
Muscular System Hub
Muscle groups, attachments, innervation, and functional anatomy.