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Body Atlas, Organ Reference

Organs

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

373 organs
41 organs starting with P  Clear ×
Organ Palatoglossal Arch arcus palatoglossus Head & Skull The palatoglossal arch is the front fold of mucosa at the back of the mouth, running…
Organ Palatopharyngeal Arch arcus palatopharyngeus Head & Skull The palatopharyngeal arch is the rear fold of mucosa at the back of the mouth, running…
Organ Pancreas pancreas Abdomen The pancreas is a soft, lobulated gland about 12-15 cm long that lies across the back…
Organ Pancreatic Acini acini pancreatici Abdomen Pancreatic acini are the tiny berry-shaped clusters of cells that make up about 98% of the…
Organ Papillary Dermis stratum papillare dermidis Whole Body The papillary dermis is the thin upper layer of the dermis, made of loose connective tissue…
Organ Papillary Muscles musculi papillares Chest The papillary muscles are cone-shaped projections of ventricular muscle that anchor the chordae tendineae. The left…
Organ Paraurethral Glands glandulae paraurethrales Pelvis & Hip The paraurethral (Skene) glands are small glands on either side of the lower female urethra, opening…
Organ Parietal Peritoneum peritoneum parietale Abdomen The parietal peritoneum lines the inner surface of the abdominal and pelvic walls and the underside…
Organ Parietal Pleura pleura parietalis Chest The parietal pleura is the outer layer of the pleura, lining the inner chest wall, the…
Organ Pectinate Line linea pectinata Pelvis & Hip The pectinate (dentate) line is a wavy line around the anal canal formed by the anal…
Organ Pectinate Muscles musculi pectinati Chest The pectinate muscles are parallel ridges of muscle on the inner walls of the atria, named…
Organ Penis penis Pelvis & Hip The penis is the male organ of copulation and urination. It is built from three cylinders…
Organ Pericardium pericardium Chest The pericardium is the double-walled sac that encloses the heart and the roots of the great…
Organ Perimetrium perimetrium (tunica serosa uteri) Pelvis & Hip The perimetrium is the outer covering of the uterus, a layer of peritoneum with a thin…
Organ Periodontium periodontium Head & Skull The periodontium is the group of tissues that surround and support the teeth: the gingiva, the…
Organ Perionychium (Nail Bed) perionychium (apparatus unguis) Hand & Wrist The nail apparatus includes the germinal matrix (proximal, produces the nail plate), sterile matrix (distal, adheres…
Organ Peritoneum peritoneum Abdomen The peritoneum is the thin, glistening serous membrane that lines the abdominal and pelvic cavities and…
Organ Permanent Teeth dentes permanentes Head & Skull Adults have 32 permanent teeth, eight in each quarter of the mouth: two incisors, one canine,…
Organ Pharyngeal Cavity cavitas pharyngis Neck The pharyngeal cavity is the musculofascial tube extending from the skull base to the oesophageal inlet…
Organ Pharyngeal Recess recessus pharyngeus Head & Skull The pharyngeal recess (fossa of Rosenmuller) is the bilateral lateral recess of the nasopharynx, posterior and…
Organ Pharynx pharynx Neck The pharynx is a funnel-shaped muscular tube about 12-14 cm long that runs from the base…
Organ Philtrum philtrum Head & Skull The philtrum is the vertical groove in the middle of the upper lip, running from the…
Organ Piriform Fossa recessus piriformis Neck The piriform fossa (piriform recess or sinus) is a pear-shaped gutter on each side of the…
Organ Piriform Sinus recessus piriformis Neck The piriform sinus (pyriform fossa) is the paired lateral recess of the hypopharynx, lying on either…
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