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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 Maxillary Third Molar dens molaris tertius superior Head & Skull The maxillary third molars, or upper wisdom teeth, are the last teeth in the upper arch…
Organ Meckel Diverticulum diverticulum ilei Abdomen Meckel diverticulum is a small finger-like pouch on the ileum left over from the embryonic vitelline…
Organ Mediastinum mediastinum Chest The mediastinum is the central compartment of the chest, lying between the two pleural sacs. It…
Organ Mediastinum Testis mediastinum testis Pelvis & Hip The mediastinum testis is a thickened ridge of the tunica albuginea along the back of the…
Organ Melanocytes melanocyti Whole Body Melanocytes are pigment-producing cells scattered in the basal layer of the epidermis, about one per 5-10…
Organ Membranous Urethra pars membranacea urethrae Pelvis & Hip The membranous urethra is the short (about 1-2 cm) segment of the male urethra that passes…
Organ Mesentery mesenterium Abdomen The mesentery (mesentery of the small intestine) is the broad, fan-shaped double fold of peritoneum that…
Organ Middle Lobe of the Right Lung lobus medius pulmonis dextri Chest The middle lobe is the smallest lobe of the right lung, wedge-shaped and lying between the…
Organ Middle Mediastinum mediastinum medium Chest The middle mediastinum is the central part of the inferior mediastinum, containing the heart within its…
Organ Minor Calyces calices renales minores Abdomen The minor calyces are small, cup-shaped tubes that fit around the tips of the renal papillae…
Organ Minor Duodenal Papilla papilla duodeni minor Abdomen The minor duodenal papilla is a small elevation on the wall of the descending duodenum, about…
Organ Mitral Valve valva atrioventricularis sinistra (valva mitralis) Chest The mitral valve controls flow from the left atrium into the left ventricle. Named after a…
Organ Moderator Band trabecula septomarginalis Chest The moderator band (septomarginal trabecula) is a muscular bridge that crosses the cavity of the right…
Organ Molars dentes molares Head & Skull The molars are the large back teeth, three in each quarter of the adult mouth, with…
Organ Mons Pubis mons pubis Pelvis & Hip The mons pubis is the rounded pad of fat and skin lying over the pubic symphysis.…
Organ Myometrium myometrium (tunica muscularis uteri) Pelvis & Hip The myometrium is the thick middle layer of the uterine wall, made of interlacing bundles of…
Organ Nail Folds vallum unguis Hand & Wrist The nail folds are the folds of skin that frame the nail plate on three sides:…
Organ Nail Matrix matrix unguis Hand & Wrist The nail matrix is the growth zone of the nail, a specialised area of epithelium lying…
Organ Nail Plate lamina unguis Hand & Wrist The nail plate is the hard, translucent plate of tightly packed keratin that forms the visible…
Organ Nasal Cavity cavitas nasi Head & Skull The nasal cavity is the air-filled space within the nose, divided by the nasal septum and…
Organ Nasal Meatuses meatus nasi Head & Skull The nasal meatuses are the air passages beneath and beside each nasal concha on the lateral…
Organ Nasal Vestibule vestibulum nasi Head & Skull The nasal vestibule is the slightly widened entrance of each nasal cavity, just inside the nostril.…
Organ Nasopharynx pars nasalis pharyngis Head & Skull The nasopharynx is the uppermost part of the pharynx, lying behind the nasal cavity and above…
Organ Neck of the Bladder cervix vesicae Pelvis & Hip The bladder neck is the lowest, funnel-shaped part of the bladder where it joins the urethra.…
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