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

Small IntestineN

Small intestine is coiled 6-7 meter tube from pylorus to ileocecal valve divided duodenum C-shaped around pancreas head receiving bile pancreatic ducts, jejunum upper two-fifths major absorption site, ileum lower…

Organs

The Hard and Soft Palate Diagram

Hard palate (maxilla/palatine bones) forms anterior roof of mouth; soft palate (muscular: tensor/levator veli palatini, palatoglossus/pharyngeus) hangs posteriorly with uvula. It separates oral/nasal cavities during swallowing.

Organs

Aorta Diagram

The aorta begins at left ventricle (ascending), arches leftward (arch with three branches), descends thoracic then abdominal to bifurcate at L4 into common iliacs. It supplies all systemic arteries except…

Organs

Human Heart Photo

The human heart, about fist-sized and nestled in the mediastinum behind the sternum, has a pointed apex at the left fifth intercostal space and base at the second rib, with…

Organs

Heart Valves

Heart valves ensure one-way blood flow through precisely timed opening and closing. Atrioventricular valvesthe tricuspid on the right and mitral on the lefthang from chordae tendineae anchored to papillary muscles,…

Organs

Anatomical Relations of the Prostate Gland Diagram

Anatomical relations of prostate gland: anterior pubic symphysis/vesicoprostatic space, posterior rectum (separated by Denonvilliers fascia), superior bladder neck, inferior urogenital diaphragm, lateral levator ani. Seminal vesicles posterior-superior; urethra passes through.

Organs

The Lingual Tonsil Waldeyers Ring Diagram

The lingual tonsil forms part of Waldeyers ring on posterior tongue base, composed of lymphoid follicles. It guards oropharynx entrance, enlarges in infection/allergy, visible on endoscopy or lateral neck X-ray.

Organs

Structure of the Peritoneum and Peritoneal Cavity Diagram

The peritoneum and peritoneal cavity structure includes parietal peritoneum (lining abdominal/pelvic walls) and visceral peritoneum (covering organs). The greater sac is the main cavity; lesser sac (omental bursa) lies behind…

Organs

Histology Small IntestinesN

The small intestine's histology maximizes surface area for digestion and absorption across its three segmentsduodenum, jejunum, ileumwith tall villi covered in microvilli on enterocytes forming the brush border loaded with…

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

Structure of the Testes and Epididymis Diagram

Testes and epididymis structure: tunica albuginea encases seminiferous tubules (sperm production) in testes; epididymis (head/body/tail) stores/matures sperm. Rete testis connects them.

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.…

Organs

Anatomical Position and Relations of Pituitary Gland Diagram

The pituitary gland sits in sella turcica, attached to hypothalamus by infundibulum, surrounded by cavernous sinuses laterally, optic chiasm superiorly, sphenoid sinus inferiorly. Relations affect surgical/transsphenoidal approaches and compression symptoms.