f. Orifices of excretory ducts.
g. Openings of the seminal ducts.
h. Ischio-cavernous muscles.
i. Bulb of Urethra divided.
k. Cowper’s Glands.
l. Wide part of Urethra.
m. Narrow part.
n. Fossa Navicularis, usually affected in gonorrhœa.
o, p. Prepuce.
The urethra is constantly moistened with a mucous secretion,—from the membrane itself, the glands, and the folds which yield to the pressure of the urine as it flows, or from other altered conditions of the urethra pour out their contents. The inner surface of the urethra is very vascular and sensitive, as is shown by the slightest laceration by the bougie or by chordee, when considerable bleeding often takes place. Its sensitiveness is well known in the first passing of the bougie, or in inflammation, when the pain of the former and the act of urinating in the latter, often causes fainting.