Olecranon
The bony tip of the elbow. The olecranon is the near end of the ulna, the bone in the forearm, and it forms the pointed portion of the elbow. The triceps muscle tendon of the back of the arm attaches to the olecranon. Disease can affect the olecranon. For example, inflammation of the tiny fluid-filled sac (bursa) at the tip of the elbow can occur; this is referred to as olecranon bursitis. A firm nodule can form at the tip of the elbow; it is referred to as an olecranon nodule and is sometimes found in gout or rheumatoid arthritis. Also known as the olecranon process of the ulna.
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- Olefaction
Common misspelling of olfaction.
- Olefactory
Common misspelling of olfactory.
- Olfactory
Pertaining to olfaction, the sense of smell.
- Olfactory apparatus
The whole system that is needed to have a sense of smell, including the nose and affiliated nerves.
- Olfactory bulb
A key part of the olfactory apparatus consisting of a bulbous enlargement of the end of the olfactory nerve on the under surface of the frontal lobe of each cerebral hemisphere just above the nasal cavity. Called also Morgagni’s tubercle.