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Body Atlas, Organ Reference

Organs

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

373 organs
27 organs starting with R  Clear ×
Organ Rectal Ampulla ampulla recti Pelvis & Hip The rectal ampulla is the wide lower part of the rectum, just above the anal canal,…
Organ Rectum rectum Pelvis & Hip The rectum is the last part of the large intestine before the anal canal, about 12-15…
Organ Renal Capsule capsula fibrosa renis Abdomen The renal capsule is the thin, tough fibrous coat that wraps the outer surface of each…
Organ Renal Columns columnae renales Abdomen Renal columns (of Bertin) are extensions of cortex that dip down between the renal pyramids towards…
Organ Renal Cortex cortex renalis Abdomen The renal cortex is the pale outer layer of kidney tissue, lying just beneath the capsule.…
Organ Renal Hilum hilum renale Abdomen The renal hilum is the vertical slit on the medial border of each kidney where the…
Organ Renal Lobes lobi renales Abdomen Each kidney contains about 8-18 lobes, each made of one renal pyramid with the cortex capping…
Organ Renal Medulla medulla renalis Abdomen The renal medulla is the darker inner region of the kidney, arranged as 8 to 18…
Organ Renal Papilla papilla renalis Abdomen A renal papilla is the rounded tip of a renal pyramid that projects into a minor…
Organ Renal Pelvis pelvis renalis Abdomen The renal pelvis is the funnel-shaped space where the major calyces come together before narrowing into…
Organ Renal Pyramids pyramides renales Abdomen The renal pyramids are the striped, cone-shaped masses that make up the renal medulla. Each kidney…
Organ Renal Sinus sinus renalis Abdomen The renal sinus is the central cavity of the kidney that opens to the outside at…
Organ Respiratory Bronchioles bronchioli respiratorii Chest Respiratory bronchioles are the first airways that take part in gas exchange. They branch from the…
Organ Rete Testis rete testis Pelvis & Hip The rete testis is a network of tiny channels in the back of the testis that…
Organ Reticular Dermis stratum reticulare dermidis Whole Body The reticular dermis is the thick deep layer of the dermis, made of dense irregular collagen…
Organ Right and Left Hepatic Ducts ductus hepaticus dexter et sinister Abdomen The right and left hepatic ducts drain bile from the functional right and left halves of…
Organ Right Atrium atrium dextrum Chest The right atrium is the receiving chamber for deoxygenated blood returning from the body. It forms…
Organ Right Auricle auricula dextra Chest The right auricle is a small, ear-shaped pouch projecting from the upper front of the right…
Organ Right Bundle Branch crus dextrum fasciculi atrioventricularis Chest The right bundle branch is a thin, cord-like continuation of the bundle of His that carries…
Organ Right Colic Flexure flexura coli dextra Abdomen The right colic flexure, or hepatic flexure, is the bend where the ascending colon turns left…
Organ Right Lobe of the Liver lobus hepatis dexter Abdomen The right lobe is the largest lobe of the liver. Anatomically it lies to the right…
Organ Right Lung pulmo dexter Chest The right lung is the larger and heavier of the two lungs, divided by oblique and…
Organ Right Main Bronchus bronchus principalis dexter Chest The right main bronchus is the airway carrying air from the trachea into the right lung.…
Organ Right Ventricle ventriculus dexter Chest The right ventricle pumps deoxygenated blood to the lungs through the pulmonary valve. It forms most…
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