Anatomy System – Human Body Anatomy diagram and chart images

Posterior Cutaneous Nerve of Thigh Diagram

Posterior cutaneous nerve of thigh (S1-S3 posterior rami) supplies skin over posterior thigh and gluteal fold, running with sciatic nerve initially then superficially.

Cell

The glomerulus is a tuft of fenestrated capillaries inside Bowmans capsule, forming the filtration unit of the nephron. It receives blood from the afferent arteriole, filters plasma (excluding large proteins/cells)…

Medical

Course of the Great Auricular Nerve Diagram

The great auricular nerve (C2-C3 from cervical plexus) ascends behind sternocleidomastoid, emerges at Erbs point, and supplies skin over parotid, mastoid, auricle, and angle of mandible. Its commonly blocked for…

Bones

C spine picture Diagram

C-spine picture shows seven cervical vertebrae: C1 atlas (no body, anterior/posterior arches), C2 axis (dens/odontoid), C3-C6 typical (bifid spinous, transverse foramina), C7 prominent spinous (vertebra prominens).

Bones

Monteggia Fracture of the Radius and Ulna Diagram

Monteggia fracture: proximal ulna fracture with radial head dislocation (anterior most common). Bado classification types I-IV; requires ORIF for ulna and radial head stability.

Muscles

The Rotator Cuff Muscles of the Shoulder Joint Diagram

Rotator cuff muscles (supraspinatus, infraspinatus, teres minor, subscapularis) stabilize humeral head in glenoid during motion, with supraspinatus initiating abduction. Tears cause pain/weakness.

Organs

Human Heart Anatomy Diagram

The human heart anatomy diagram shows how this powerful muscle works as the body’s central pump, constantly circulating blood to keep us alive. The heart is divided into four main…

Bones

Lateral View of the Sella Turcica Diagram

The sella turcica in lateral view is a saddle-shaped depression in sphenoid body housing the pituitary, bounded by tuberculum sellae anteriorly, dorsum sellae posteriorly, and anterior/posterior clinoids.

Bones

Anatomical Position of the Humerus Diagram

The Anatomical Position of the Humerus diagram places the humerus in standard anatomical position with greater tubercle lateral, capitulum anterior, and trochlea medial. It labels head, surgical/anatomical neck, tubercles, shaft,…

Medical

Posterior inferior cerebellar artery orgin and course Diagram

The posterior inferior cerebellar artery (PICA) usually arises from vertebral artery near basilar origin, courses around medulla to supply inferior cerebellum, lateral medulla, and choroid plexus of fourth ventricle. Occlusion…

Medical

Infratrochlear Nerve Course Supply Diagram

The infratrochlear nerve (terminal branch of nasociliary, V1) exits orbit below trochlea, supplies sensation to medial upper eyelid, caruncle, lacrimal sac, root of nose, and skin between eye and nose…

Bones

Ligaments of the Lumbar Spine Diagram

The Ligaments of the Lumbar Spine diagram displays the strong bands that hold the lower vertebrae togetheranterior and posterior longitudinal, ligamentum flavum, interspinous, supraspinous, and others. Seeing them all in…

Labelled Diagram of the Carotid and Prevertebral sheaths Diagram

Medical

Labelled Carotid and Prevertebral sheaths Diagram

Labelled carotid sheath contains common/internal carotid artery, internal jugular vein, vagus nerve (CN X), sympathetic chain (cervical ganglia), deep cervical lymph nodes. Prevertebral fascia encloses prevertebral muscles (longus colli/capitis), brachial…

Bones