What is the urinary trigone?
What is the urinary trigone?
The trigone is the neck of the bladder. It’s a triangular piece of tissue located in the lower part of your bladder. It’s near the opening of your urethra, the duct that carries urine from your bladder outside of your body.
What is the trigone of the bladder derived from?
In the classic view of bladder development, the trigone originates from the mesoderm-derived Wolffian ducts while the remainder of the bladder originates from the endoderm-derived urogenital sinus.
Do females have trigone of bladder?
Above: Urinary bladder in a male (females do not have a prostate gland). A triangular structure, called the trigone, is found on the posterior wall of the urinary bladder.
What does the trigone muscle do?
Trigone. The trigone is a triangular muscular structure located between the bladder and urethra. Effective connection between the ureters and the trigone are vital for proper functioning of the ureteral valve mechanism.
Why is trigone significant?
The signals become stronger as the bladder continues to fill. Embryologically, the trigone of the bladder is derived from the caudal end of mesonephric ducts, which is of mesodermal origin (the rest of the bladder is endodermal)….
| Trigone of urinary bladder | |
|---|---|
| TA2 | 3421 |
| FMA | 15910 |
| Anatomical terminology |
Where is trigone located?
bladder floor
Trigone. The trigone is a triangular portion of the bladder floor bordered (ventrally) by the internal urethral opening or bladder neck and (dorsolaterally) by the orifices of the right ureter and left ureter.
Why is the trigone clinically important?
Why is the trigone of the urinary bladder clinically important? It causes kidney-collecting ducts to reabsorb more water.
Do men have trigone?
The trigone is the least mobile aspect of the bladder as it is fused with the underlying detrusor that comprises the rest of the bladder [31]. In males, the bladder neck is contiguous with the prostatic urethra [7].
Why is the trigone of the urinary bladder clinically important?
What contains the trigone?
There is a triangular area, called the trigone, formed by three openings in the floor of the urinary bladder.
What 3 structures are connected by the trigone?
Answer and Explanation:
- The upper two orifices on the posterior wall at the openings of the ureters.
- The lower orifice is the opening into the urethra called the internal urethral orifice.
