Organs

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

373 organs

A B C D E F G H I J K L M N O P Q R S T U V

9 organs starting with O Clear ×

Organ Oblique Fissure fissura obliqua Chest The oblique fissure is a deep cleft present in both lungs that separates the lower lobe…

Organ Oesophagus oesophagus Chest The oesophagus is a muscular tube about 25 cm long that carries food from the pharynx…

Organ Omental Appendices appendices omentales Abdomen Omental appendices (epiploic appendages) are small fat-filled pouches of peritoneum hanging from the outer surface of…

Organ Oral Cavity cavitas oris Head & Skull The oral cavity is the first part of the digestive tract, running from the lips in…

Organ Oral Vestibule vestibulum oris Head & Skull The oral vestibule is the slit-like space between the lips and cheeks on the outside and…

Organ Oropharyngeal Isthmus isthmus faucium Head & Skull The oropharyngeal isthmus (fauces) is the opening between the mouth and the oropharynx. It is bounded…

Organ Oropharynx pars oralis pharyngis Neck The oropharynx is the middle part of the pharynx, lying behind the mouth from the soft…

Organ Ovarian Follicles folliculi ovarici Pelvis & Hip Ovarian follicles are tiny sacs in the ovarian cortex, each containing one immature egg surrounded by…

Organ Ovary ovarium Pelvis & Hip The ovaries are the paired female gonads, almond-shaped organs about 3 cm long lying on the…