Arthritis

Posted by   February 2nd, 2016 11:33 AM  on Disease.  
Hands affected by rheumatoid arthritis, an autoimmune form of arthritis

Arthritis (from Greek arthro-, joint + -itis, inflammation; plural: arthritides) is a form of joint disorder that involves inflammation in one or more joints. There are over 100 different forms of arthritis. The most common form of arthritis is osteoarthritis (degenerative joint disease), a result of trauma to theMore...

Anal Fistula

Posted by   January 1st, 2016 03:37 AM  on Disease.  
Different types of anal fistula (right side of image)

Anal fistula, or fistula-in-ano, is a chronic abnormal communication between the epithelialised surface of the anal canal and (usually) the perianal skin.Anal fistulae originate from the anal glands, which are located between the internal and external anal sphincter and drain into theanal canal. If the outlet of these glandsMore...

Adrenal gland

Posted by   November 27th, 2015 02:51 AM  on Disease.  
Adrenal gland

The adrenal glands (also known as suprarenal glands) are endocrine glands that produce a variety of hormones including adrenaline and the steroids aldosterone and cortisol. They are found above the kidneys. Each gland has an outer cortex which produces steroid hormones and an inner medulla. The adrenal cortex itself is divided into three zones: zona glomerulosa, the zonaMore...

Adenoid

Posted by   November 24th, 2015 07:53 PM  on Disease.  
Pharyngeal tonsil, Location of the adenoid

The adenoid, also known as a pharyngeal tonsil or nasopharyngeal tonsil, is a mass of lymphatic tissue situated posterior to the nasal cavity, in the roof of the nasopharynx, where the nose blends into the throat. Normally, in children, it forms a soft mound in the roof and posterior wall ofMore...

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