Uvula vesica in bladder is produced byb which lobe of prostate (2019)
**Core Concept**
The uvula vesicae is a mucosal fold in the bladder that arises from the trigone area, specifically from the prostatic urethra. It is formed by the prostatic utricle, a small glandular structure, and the prostatic urethral crest. The uvula vesicae is a significant anatomical feature that can be relevant in the diagnosis and management of certain urological conditions.
**Why the Correct Answer is Right**
The uvula vesicae is produced by the posterior lobe of the prostate, also known as the fibromuscular stroma. This lobe is composed of smooth muscle and fibrous tissue, which surrounds the prostatic utricle and contributes to the formation of the uvula vesicae. The posterior lobe plays a crucial role in the support and function of the prostate gland, and its anomalies can lead to various urological symptoms.
**Why Each Wrong Option is Incorrect**
* **Option A:** The anterior lobe of the prostate, also known as the fibromuscular stroma, is not directly involved in the formation of the uvula vesicae. While it does contribute to the prostate's overall structure and function, it is not the primary source of the uvula vesicae.
* **Option B:** The lateral lobes of the prostate are not typically associated with the formation of the uvula vesicae. These lobes are more commonly involved in the development of benign prostatic hyperplasia (BPH) and other prostate enlargement conditions.
* **Option C:** The urethral crest and prostatic utricle are indeed involved in the formation of the uvula vesicae, but they are not the primary source. The uvula vesicae is a mucosal fold that arises from the prostatic urethra, and while the urethral crest and prostatic utricle contribute to its formation, they are not the correct answer.
**Clinical Pearl / High-Yield Fact**
The uvula vesicae is a significant anatomical feature that can be relevant in the diagnosis and management of certain urological conditions, such as bladder outlet obstruction and prostate cancer. It is essential for urologists and radiologists to be familiar with the anatomy of the prostate and bladder to accurately diagnose and treat these conditions.
**Correct Answer:** D.