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Body Atlas, Organ Reference

Organs

Organ reference, parts, location, blood and nerve supply, function, and common diseases.

373 organs
373 organs
Organ Tooth Enamel enamelum Head & Skull Enamel is the hard, translucent outer layer that covers the crown of every tooth. It is…
Organ Trabeculae Carneae trabeculae carneae Chest Trabeculae carneae are irregular muscular ridges and columns on the inner walls of both ventricles. Some…
Organ Trachea trachea Chest The trachea, or windpipe, is a flexible tube about 10-12 cm long and roughly 2 cm…
Organ Tracheal Cartilages cartilagines tracheales Neck The trachea is held open by 16-20 C-shaped rings of hyaline cartilage, open at the back…
Organ Transverse Colon colon transversum Abdomen The transverse colon is the longest and most mobile part of the colon, about 45-50 cm,…
Organ Transverse Pericardial Sinus sinus transversus pericardii Chest The transverse pericardial sinus is a tunnel-like passage within the pericardial cavity that runs behind the…
Organ Transverse Rectal Folds plicae transversae recti Pelvis & Hip The transverse rectal folds (valves of Houston) are usually three crescent-shaped shelves inside the rectum, formed…
Organ Triangle of Koch trigonum nodi atrioventricularis Chest The triangle of Koch is a landmark area on the lower right atrial septum that marks…
Organ Tricuspid Valve valva atrioventricularis dextra Chest The tricuspid valve guards the opening between the right atrium and right ventricle. It has three…
Organ Trigone of the Bladder trigonum vesicae Pelvis & Hip The trigone is a smooth triangular area on the inner floor of the bladder, marked by…
Organ Tunica Albuginea of the Testis tunica albuginea testis Pelvis & Hip The tunica albuginea is the dense, bluish-white fibrous capsule that wraps each testis. It thickens at…
Organ Tunica Vaginalis tunica vaginalis testis Pelvis & Hip The tunica vaginalis is a closed, two-layered sac of serous membrane covering the front and sides…
Organ Umbilical Cord funiculus umbilicalis Abdomen The umbilical cord is the lifeline between the fetus and the placenta, about 50-60 cm long…
Organ Uncinate Process of the Pancreas processus uncinatus pancreatis Abdomen The uncinate process is a hook-shaped extension from the lower left part of the pancreatic head.…
Organ Ureter ureter Abdomen The ureters are two muscular tubes, each about 25-30 cm long, that carry urine from the…
Organ Ureteric Orifices ostia ureterum Pelvis & Hip The ureteric orifices are the two slit-like openings where the ureters enter the bladder. They form…
Organ Ureteropelvic Junction junctura pyeloureterica Abdomen The ureteropelvic (pelviureteric) junction is the point where the funnel-shaped renal pelvis narrows into the ureter.…
Organ Ureterovesical Junction junctura ureterovesicalis Pelvis & Hip The ureterovesical junction is where the ureter tunnels obliquely through the bladder wall to open at…
Organ Urinary Bladder vesica urinaria Pelvis & Hip The urinary bladder is a hollow, stretchy muscular bag that stores urine until it is convenient…
Organ Uterine Cavity cavitas uteri Pelvis & Hip The uterine cavity is the flattened triangular space inside the body of the uterus, lined by…
Organ Uterine Tube (Fallopian Tube) tuba uterina (salpinx) Pelvis & Hip The uterine (fallopian) tubes are a pair of slender muscular tubes about 10 cm long running…
Organ Uterus uterus Pelvis & Hip The uterus (womb) is a hollow, thick-walled muscular organ shaped like an upside-down pear, about 7-8…
Organ Uvula uvula palatina Head & Skull The uvula is the small conical projection hanging from the middle of the free edge of…
Organ Vagina vagina Pelvis & Hip The vagina is a muscular, stretchy canal about 7-9 cm long running upward and backward from…
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