Question

Describe the location (which bone where applicable and/or where in the body) AND function of ALL of the following:

1. Hyoid
2. Sella turcica/hypophyseal fossa
3. Olecranon
4. Cribriform plate
5. Mastoid process

Answer 1

Answer a. Hyoid bone is present at the root level of the tongue and in front of the neck. It's main function is to help in the attachment of tongue. Tongue is a highly muscular structure that helps in the mastication of the food.

Answer b. Sella tursica is a depression like structure formed in the sphenoid bone of the brain. It's function is to accommodate the master gland of our body called the pituitary gland.

Answer c. Olecranon is the prolongation of the ulna bone in the arm, which forms the elbow. It helps in attachment of ulna to the humerus, means lower arm is attached to the upper arm with the hell of it.

Answer d. It is a part of ethmoid bone, that forms a sieve like structure. It is situated between the anterior cranial fossa and the nasal cavity. It function is to accommodate the olfactory bulbs.

Answer e. It is closely associated to the temporal bone. It is located inferior and posterior to the ear canal. It helps in protecting delicate parts of the ear and of the temporal bone too.