Mindblown: a blog about philosophy.

The release of enzymes from acrosome on the head of the sperm, a complex process that helps sperm to penetrate the zona pellucida of the egg and thus to begin fertilization.  

Hard, thickened skin condition of toes and fingers.  

Inflammation of the prepuce of the penis.  

Any disease of the extremities (e.g., the fingers or toes).  

Paralysis of one or more extremities.  

Clubbing of the fingers, deformed long bones, and thickening of the skin of the scalp, face, and extremities.  

Any peripheral neuropathy affecting the extremities.  

The surgical removal of the distal inferior acromion process of the scapula to relieve impingement of soft tissues in the subacromial space, especially the supraspinatus tendon. This is usually performed with release of the coracoacromial ligament, arthroscopically or through open incision.  

A maneuver used to identify acromioclavicular and costoclavicular ligament sprains. As the patient sits or stands with the involved shoulder hanging in the neutral position, the clinician pulls the humerus down. A positive test result is marked by a visible separation between the acromion and distal clavicle.  

A chronic syndrome of growth hormone excess, most often caused by a pituitary macrodadenoma. It is characterized by gradual coarsening and enlargement of bones and facial features. The diagnosis is suggested by a growth hormone level that does not suppress after glucose administration. It is confirmed by radiologic imaging of the pituitary gland.