List of images with terms beginning by "O"

Obesity (3)	Obesity, Morbid (1)
Obstetrics (1)	Obturator Nerve (2)
Occipital Bone (1)	Oculomotor Nerve (4)
Odontogenic Cyst, Calcifying (1)	Odontoid Process (1)
Oleic Acid (1)	Olfaction Disorders (2)
Olfactory Mucosa (1)	Olfactory Nerve (2)
Omentum (1)	Onchocerciasis (1)
Onchocerciasis, Ocular (4)	Onychomycosis (8)
Oocytes (1)	Oogenesis (1)
Ophthalmology (2)	Optic Disk (1)
Optic Nerve (4)	Oral Hygiene (1)
Orbital Fractures (1)	Orf virus (1)
Organ of Corti (1)	Orthopedic Procedures (2)
Orthopedic Procedures (2)	Orthoreovirus (1)
Osteitis (1)	Osteitis Deformans (1)
Osteitis Fibrosa Cystica (1)	Osteoarthritis (6)
Osteoarthritis, Knee (6)	Osteoarthropathy, Primary Hypertrophic (7)
Osteoblasts (2)	Osteochondritis (3)
Osteochondritis Dissecans (3)	Osteochondroma (1)
Osteoclasts (1)	Osteogenesis Imperfecta (1)
Osteolysis, Essential (2)	Osteomalacia (1)
Osteomyelitis (3)	Osteonecrosis (2)
Osteoporosis (14)	Osteosarcoma (2)
Osteosclerosis (1)	Otitis (2)
Otitis Media (3)	Ovarian Cysts (1)
Ovarian Follicle (1)	Ovariectomy (1)
Ovary (6)	Oxytocin (2)
Oxyuriasis (3)

List of images with terms beginning by "O"

Accommodation, Ocular (1)	Airway Obstruction (3)
Albinism, Oculocutaneous (1)	Candidiasis, Oral (3)
Cardiac Output (1)	Coronary Artery Bypass, Off-Pump (1)
Delivery, Obstetric (1)	Ear Ossicles (2)
Hair Cells, Outer (1)	Intestinal Obstruction (2)
Labor, Obstetric (1)	Leukoplakia, Oral (1)
Lung Diseases, Obstructive (2)	Medulla Oblongata (1)
Multiple Birth Offspring (1)	Nasal Obstruction (1)
Nevus of Ota (9)	Pulmonary Disease, Chronic Obstructive (5)
Retinal Vein Occlusion (3)	Sense Organs (1)
Sleep Apnea, Obstructive (1)	Surgical Procedures, Operative (6)
Thromboangiitis Obliterans (2)	Toxoplasmosis, Ocular (1)
Tuberculosis, Osteoarticular (1)	Vacuum Extraction, Obstetrical (3)