Anatomy System – Human Body Anatomy diagram and chart images

Diagrams

This Medullary Pyramids diagram (likely brainstem) depicts the ventral medulla oblongata with its paired pyramidal tractscorticospinal fibers descending to decussate at the pyramid level before continuing into the spinal cord…

Organs

Parts of the Parietal Pleura Diagram

Parts of parietal pleura: costal (chest wall), diaphragmatic (diaphragm), mediastinal (mediastinum), cervical (apex above first rib). Reflections form recesses (costodiaphragmatic deepest); fluid accumulates there in effusion.

Muscles

Palmar View of the Thenar Muscles of the Thumb and Hand Labelled TeachMeAnatomy Diagram

Palmar view of thenar muscles shows abductor pollicis brevis (superficial), flexor pollicis brevis (superficial/deep heads), opponens pollicis (deep to abductor), all from flexor retinaculum/scaphoid/trapezium to thumb proximal phalanx/first metacarpal. Median…

Organs

Histology of StomachN

The stomach's histology reveals four main layers adapted for mechanical and chemical breakdown of food, starting with a mucosa of simple columnar epithelium rich in goblet cells secreting protective mucus…

Medical

Cutaneous Innervation to the Upper Limb Diagram

Cutaneous innervation of the upper limb includes dermatomes from C5-T1: axillary (regimental badge), musculocutaneous (lateral forearm), median (palm/thumb-index-middle), ulnar (little/ring), radial (dorsal hand). Overlap helps in nerve lesion mapping.

Medical

CT Scan Head Scanning Diagram

CT head scanning uses X-rays in axial slices, bone windows for skull fractures, soft tissue windows for hemorrhage/infarct/edema. Contrast enhances vessels/tumors; its fast for trauma/stroke evaluation.

Health

The Stages of Walking Diagram

Stages of walking (gait cycle) include stance phase (heel strike, foot flat, midstance, heel off, toe off) and swing phase (acceleration, midswing, deceleration). Double support occurs in stance; single in…

Bones

Constiuent Parts of the Temporal Bone Diagram

This Constituent Parts of the Temporal Bone diagram pieces together the squamous, mastoid, petrous, and tympanic portions, highlighting landmarks like the zygomatic process, mastoid process, external acoustic meatus, styloid, and…

Bones

Ligaments of the Cervical Spine Diagram

Cervical spine ligaments: anterior/posterior longitudinal (along vertebral bodies), ligamentum flavum (laminae), interspinous/supraspinous (spinous processes), nuchal (posterior). They stabilize flexion/extension, limit excessive motion.

Organs

Anatomical Position of the Bulbourethral Glands Diagram

Bulbourethral glands (Cowpers) locate posterolateral to membranous urethra, below prostate, drain into bulbar urethra. They produce pre-ejaculatory mucus; Cowpers syringocele can obstruct.

Overview of the Dorsal Column Medial Lemniscal Pathway 1 Diagram

Medical

Overview of the Dorsal Column Medial Lemniscal Pathway Diagram

Dorsal column-medial lemniscus pathway carries fine touch, vibration, proprioception: ascends ipsilaterally in fasciculus gracilis/cuneatus, synapses in medulla nuclei, crosses as internal arcuate fibers to medial lemniscus, to thalamus, then cortex.

Medical

Medial and Lateral Pectoral Nerve Diagram

Medial pectoral nerve (C8-T1) pierces pectoralis minor to supply it and pectoralis major sternocostal head; lateral pectoral nerve (C5-C7) supplies clavicular head of pectoralis major. Both from brachial plexus.

Medical

Borders of the Triangular Interval Diagram

The Borders of the Triangular Interval diagram outlines this posterior arm space bounded by teres major superiorly, long head of triceps medially, shaft of humerus laterally, with radial nerve and…

Muscles

First Layer of Plantar Muscles Diagram

First layer of plantar muscles: abductor hallucis (medial), flexor digitorum brevis (central), abductor digiti minimi (lateral). They arise from calcaneal tuberosity, support medial/longitudinal arch; medial/lateral plantar nerves supply.

Medical

Positive Trendlenburg Test Diagram

Positive Trendelenburg test: pelvis drops on unsupported side during single-leg stance due to weak gluteus medius/minimus (contralateral hip drop). Indicates superior gluteal nerve lesion, hip abductor weakness, or hip joint…

Medical

Net Filtration PressureN

Net filtration pressure in glomerulus drives plasma ultrafiltrate formation, calculated as glomerular hydrostatic pressure minus capsular hydrostatic and oncotic pressures, typically around 10 mmHg favoring outflow, regulated by afferent and…

Medical

Anatomical Course of the Subclavian Artery Diagram

Subclavian artery course: right from brachiocephalic, left from aortic arch, three parts by scalenus anterior (pre-, post-, inter-). Branches: vertebral, internal thoracic, thyrocervical trunk, costocervical, dorsal scapular.

Bones

The Subtalar Joints and Ligament Diagram

Subtalar joint (talocalcaneal) allows inversion/eversion; ligaments: interosseous talocalcaneal (strongest, in sinus tarsi), medial/lateral talocalcaneal, cervical (stabilizes). It works with transverse tarsal joint for foot flexibility.

Bones

Articulating Surfaces of the Acromioclavicular Joint Diagram

Acromioclavicular joint surfaces include lateral clavicle (flattened) and medial acromion (oval). Stabilized by acromioclavicular ligament superiorly and coracoclavicular (trapezoid/conoid) inferiorly.

Medical

Structure of a Vein Wall Diagram

The Structure of a Vein Wall diagram layers out the typical three-part construction: a thin tunica intima with endothelium for smooth flow, a thicker tunica media with some smooth muscle…