spongy urethra(redirected from pars cavernosa)
the portion of the male urethra, about 15 cm in length, which traverses the corpus spongiosum.
the tubular passage through which urine is discharged from the bladder to the exterior via the external urinary meatus. In males the urethra also conveys the secretions of the reproductive organs.
runs ventrally to the reproductive tract, opening in its ventral wall at the junction of the vagina and the vestibule; at its entrance it may be joined with a diverticulum (cow, sow) or a hummock (bitch).
see urethral atresia.
consists of pelvic (bladder to entrance to penis) and penile or spongy part; the deferent and vesicular ducts enter the pelvic urethra soon after it leaves the bladder.
that part of the male urethra which passes through the penis; called also spongy urethra.
limited use in male cats with urethral obstruction or stricture; some serious disadvantages and surgical perineal urethrostomy the preferred treatment.
that part of the urethra surrounded by erectile tissue; called also penile urethra.