1303 Bladder Anatomy Study Resources

BladderA muscular sac in the pelvis, just above and behind the pubic bone, that collects and stores urine from the kidneys before disposal by urination.
UreterA pair of tubes that carry urine from the kidneys to the bladder.
UrethraThe tube that carries urine from the bladder out of the body. In males, it also serves as a conduit for semen during ejaculation.
Prostate GlandA gland in the male reproductive system that surrounds the neck of the bladder and urethra. It produces prostatic fluid, which is a component of semen.
Internal Urethral SphincterAn involuntary sphincter that controls the flow of urine from the bladder into the urethra.
External Urethral SphincterA voluntary sphincter that allows control over the discharge of urine from the bladder.
TrigoneA triangular area at the base of the bladder where the ureters enter and the urethra exits; sensitive to stretching and plays a role in signaling the need to urinate.
Benign Prostatic Hyperplasia (BPH)An enlargement of the prostate gland that can cause urinary dysfunction.
ProstatitisInflammation of the prostate gland, often due to infection, that can cause urinary and pelvic pain.
Detrusor MuscleThe smooth muscle layer of the bladder wall that contracts to expel urine.
PeritoneumA membrane that lines the abdominal cavity and covers most of the abdominal organs, including the superior aspect of the bladder.
Seminal VesiclesGlands that produce fluid that partly composes semen.
EpididymisA long, coiled tube that stores sperm and transports it from the testes.
TestesThe male reproductive organs that produce sperm and testosterone.
Vas DeferensThe duct that conveys sperm from the testicle to the urethra.
Renal PelvisThe central part of the kidney where urine collects before being passed to the ureter.
KidneysA pair of bean-shaped organs that filter waste products from the blood and produce urine.
SuprapubicPertaining to the region above the pubic bone where the bladder is located.
MicturitionThe process of urination or voiding the bladder.
Ureterovesical JunctionThe point where the ureter enters the bladder, which is designed to prevent backflow of urine.