BirdWatching Daily on MSN31 分钟
Do Birds Have Ears? Learn All About How Birds Hear
One of the more intriguing aspects of bird anatomy is their ears, or rather, the lack of visible ear structures. Unlike ...
Appearance and Other Symptoms In females, a urethral caruncle is usually described as a small, soft, reddish lump that appears at the opening of the urethra, an area called the urethra meatus, usually ...
Most episodes of bacteriuria in catheterized women are believed to occur through the extraluminal entry of organisms. Fecal strains contaminate the perineum and urethral meatus, and then ascend to the ...
KEY POINTS Chronic rhinosinusitis refers to symptomatic inflammation of the nose and paranasal sinuses that has been present ...