In young birds the gape is very soft and noticeable but in a fledgling it begins to harden somewhat, become less prominent, and--like the bill itself--darken with age. (In some bird species--Purple Finches, for example--the adult retains a yellow gape, albeit smaller and less obvious.)
Psoriatic Arthritis. Psoriasis is a skin disease in which patients have dry, red and scaly skin rashes that can occur on any part of the body. Between 5-20% of patients with psoriasis may develop an associated arthritis. Arthritis means inflamed joint.
Diagnosing psoriatic arthritis can be a tricky process because its symptoms frequently mimic those of other forms of inflammatory arthritis, such as rheumatoid arthritis (RA) and gout. It can also be confused with osteoarthritis (OA), the most common form of arthritis.he symptoms of psoriatic arthritis can mimic other conditions. Common misdiagnoses include osteoarthritis, rheumatoid arthritis and gout. Below are some tips to help avoid a psoriatic arthritis misdiagnosis.