overview – Anatomy System – Human Body Anatomy diagram and chart images

Overview of Parasympathetic Innervation Diagram

Parasympathetic innervation originates from cranial nerves (III, VII, IX, X) and sacral S2-S4. Preganglionic fibers synapse in terminal ganglia near targets for rest and digest functions: pupil constriction, salivation, lacrimation,…

Medical

Overview of the Anatomical Distribution of the Trigeminal Nerve and its Terminal Branches Diagram

Trigeminal nerve distribution covers face via ophthalmic (V1: forehead, eye, nose), maxillary (V2: cheek, upper lip/teeth, maxillary sinus), mandibular (V3: lower jaw, lower teeth, anterior tongue, muscles of mastication). Terminal…

Organs

Overview of the Urinary Tract Kidney Ureter and Bladder Diagram

The urinary tract includes kidneys (urine production), ureters (peristaltic transport), bladder (storage), urethra (exit). Kidneys filter blood, ureters drain to bladder trigone, bladder expands/contract via detrusor.

Organs

Overview of Conduction Pathway Components Diagram

The cardiac conduction pathway starts at the SA node (pacemaker), spreads through atria to AV node (delay), then bundle of His, left/right bundles, and Purkinje fibers for rapid ventricular activation.…

Bones

Mastoid Fossa Overview Diagram

The mastoid fossa (antrum) is the largest mastoid air cell, opening into middle ear via aditus ad antrum, lined by mucosa continuous with tympanic cavity. It provides space for middle…

Diagrams

Overview Of The Digestive System

Overview of the Digestive System The digestive system is a complex network of organs that work together to break down food, absorb nutrients, and eliminate waste. It is composed of…