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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 Heart cor Chest The heart is a hollow, four-chambered muscular pump about the size of a closed fist, weighing…
Organ Hepatic Lobule lobulus hepatis Abdomen The hepatic lobule is the basic microscopic unit of the liver: a six-sided column of liver…
Organ Hepatocystic Triangle trigonum cystohepaticum Abdomen The hepatocystic triangle, often called Calot triangle, is a small space bounded by the cystic duct…
Organ Hepatopancreatic Ampulla ampulla hepatopancreatica Abdomen The hepatopancreatic ampulla (ampulla of Vater) is the short dilated channel formed where the common bile…
Organ Hilum of the Lung hilum pulmonis Chest The hilum is the wedge-shaped area on the inner (mediastinal) surface of each lung where the…
Organ Horizontal Fissure fissura horizontalis pulmonis dextri Chest The horizontal fissure is found only in the right lung, where it separates the upper lobe…
Organ Horizontal Part of the Duodenum pars horizontalis duodeni Abdomen The horizontal (third or inferior) part of the duodenum is about 6-8 cm long and crosses…
Organ Hymen hymen Pelvis & Hip The hymen is a thin fold of mucous membrane at the vaginal opening that partly surrounds…
Organ Hypodermis (Subcutaneous Tissue) tela subcutanea (hypodermis) Whole Body The hypodermis, or subcutaneous tissue, is the layer of loose connective tissue and fat lying under…
Organ Hyponychium hyponychium Hand & Wrist The hyponychium is the thickened skin under the free edge of the nail, where the nail…
Organ Ileocaecal Valve valva ileocaecalis (ostium ileale) Abdomen The ileocaecal valve guards the opening where the ileum enters the caecum on its posteromedial side.…
Organ Ileum ileum Abdomen The ileum is the last and longest part of the small intestine, making up about three-fifths…
Organ Incisors dentes incisivi Head & Skull The incisors are the eight chisel-shaped front teeth, a central and a lateral incisor in each…
Organ Inferior Lobe of the Left Lung lobus inferior pulmonis sinistri Chest The inferior (lower) lobe of the left lung lies below and behind the oblique fissure, forming…
Organ Inferior Lobe of the Right Lung lobus inferior pulmonis dextri Chest The inferior (lower) lobe of the right lung lies below and behind the oblique fissure and…
Organ Inferior Mediastinum mediastinum inferius Chest The inferior mediastinum is the lower, larger part of the mediastinum, lying below the plane that…
Organ Infraglottic Cavity cavitas infraglottica Neck The infraglottic cavity is the lowest compartment of the larynx, running from the vocal folds down…
Organ Interatrial Septum septum interatriale Chest The interatrial septum is the thin wall separating the right and left atria. It runs obliquely,…
Organ Internal Urethral Orifice ostium urethrae internum Pelvis & Hip The internal urethral orifice is the opening from the bladder into the urethra, at the lowest…
Organ Interventricular Septum septum interventriculare Chest The interventricular septum is the thick wall between the right and left ventricles. Most of it…
Organ Interventricular Sulci sulcus interventricularis anterior et posterior Chest The anterior and posterior interventricular sulci are shallow grooves on the front and underside of the…
Organ Intestinal Villi villi intestinales Abdomen Intestinal villi are finger-like projections, about 0.5-1 mm tall, that cover the lining of the small…
Organ Isthmus of the Uterus isthmus uteri Pelvis & Hip The isthmus is the short, narrowed part of the uterus about 1 cm long between the…
Organ Jejunum jejunum Abdomen The jejunum is the middle part of the small intestine, making up roughly the first two-fifths…
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