Category: O

Glands in the olfactory mucous membranes.  

Glands exuding odoriferous materials, as those around the prepuce or anus.  

The posterior part of the eye including the retina and optic nerve.  

A fracture in which the ends of the fractured bone slide past each other.  

A fracture of the bony floor beneath the eye. It typically results in entrapment of the inferior rectus muscle, with a consequent inability to look upward with the affected eye, which causes double vision during vertical gaze.  

A fracture that is suspected based on clinical grounds (e.g., guarding, pain, and swelling) but not seen on x-rays. The fracture may be seen with bone scans or magnetic resonance imaging.  

That portion of hemoglobin present in a sample of blood that is reversibly bound to oxygen.  

The depression in the parietal peritoneum of the pelvis that contains the ovary.  

The depression on the posterior surface of the lower end of the humerus. During full extension of the forearm, the olecranon process of the ulna fits into this depression.  

An opening in the cribriform plate of the ethmoid bone for passage of the olfactory nerves.