A 82-year-old man was suspected to have degenerative brain disease. A lumbar puncture was ordered to collect his CSF for examination. Which of the following structures is penetrated by the needle when a lumbar puncture is performed?

Identify this structure indicated by red arrow A.

During a vigorous extraction of a third molar tooth, a dentist suffered a torn rotator cuff. Which of the following muscles might have been involved?

Which of the following openings transmits the ophthalmic artery.

Identify the innervation of this structure.

The vas deferens joins the ___________ to form the ejaculatory duct.

The external urethral sphincter functions to maintain urinary continence and____________.

Ms. L is a 22 year old roller blader who presents to your clinic with knee pain after injuring her knee while grinding handrails and jumping ramps on her blades. She limps into the exam room.  You see a very swollen knee and the radiology tech brings you the following films.  What do you see on the films?  

A superficial cut that only involves the innate immune system will result in immunity.

Which of the following is TRUE of the extrinsic reflexes of the GI tract: