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In male anatomy, the lacuna magna (also called Guérin's sinus) is the largest of several recesses in the roof of the navicular fossa of the male urethra. Structure [ edit ]
Other symptoms include severe pain, loss of erection, and swelling. [5] Symptoms of urethral injury include hematuria, blood at the meatus, and dysuria. [1] If left untreated, complications result in 28–53% of cases; these include permanent curvature of the penis, fistula, urethral diverticulum, priapism, and erectile dysfunction. [5]
The urinary meatus [a] (/ m iː ˈ eɪ t ə s /, mee-AY-təs; pl.: meati or meatuses), also known as the external urethral orifice, is the opening of the penis or vulva where urine exits the urethra during urination. It is also where semen exits during male ejaculation, and other fluids during female ejaculation. The meatus has varying degrees ...
Chronic pelvic pain. ... Not every man with pelvic floor dysfunction will experience all of the above symptoms. For some men, the condition may mostly affect their ability to urinate, while others ...
The cause of post-orgasmic pain determines the course of treatment. Antibiotics and non-steroidal anti-inflammatory medications are prescribed if infectious or inflammatory processes are thought to be the cause. [25] Transurethral seminal vesiculoscopy is the preferred method for treating pain associated with seminal vesicles. [26]
Pain in this region of the body can be associated with anxiety, depression and other psycho-social factors. In addition, this pain can have effects on activities of daily living or quality of life. Treatment can be symptomatic if the pathology is unknown and managed by physical therapy, counseling and medication.
A 2015 systematic review of 15,521 men in which the subjects were measured by health professionals showed that the average length of an erect human penis is 13.12 cm (5.17 inches) long, while the average circumference of an erect human penis is 11.66 cm (4.59 inches).
The largest of these recesses is called lacuna magna (or the sinus of Guérin, or Guérin's sinus), which is situated on the upper surface of the fossa navicularis. Located deeper within the lacunae are branching mucous tubules called the glands of Littre .