Prostatic Urethra
Prostatic Urethra - Related Videos
02:34
Individual Lobe Extraction from Prostate: A Technique to Harvest Individual Prostate Lobes from Mouse Prostate
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2023
This video describes a technique to harvest individual lobes from the prostate gland of a mouse model. Individual lobes can then be used for histological analysis and cancer research.
03:24
Extracting Prostate from Mouse Urogenital System: A Technique to Separate Prostate Gland from Other Urinary and Genital System Organs in Male Mouse
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2023
In this video, we describe the procedure for the dissection of the urogenital system or UGS from a male mouse model. This UGS is further dissected ex vivo to isolate the prostate gland and study its role in prostate cancer development.
08:49
Murine Prostate Micro-dissection and Surgical Castration
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Cited by 23 •
2016
This manuscript describes the protocols for prostate micro-dissection and surgical castration in the laboratory mouse. We also depict representative results produced by these protocols. Finally, we discuss the advantages and utilization of these protocols.
01:16
Urethra
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2024
The urethra is a hollowed tubular organ through which urine is expelled from the body. This structure extends from the bladder to the external opening, allowing urine to be released. The anatomy of the urethra differs between males and females. In females, the urethra is short, measuring about 3–4 cm in length, and opens anterior to the vaginal opening. In males, the urethra is longer and passes through the penis, serving dual purposes: expelling urine and ejaculating semen. The male urethra is...
06:46
Measurement of Tactile Allodynia in a Murine Model of Bacterial Prostatitis
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Cited by 23 •
2013
Infection of the prostate may be a contributing factor in mediating pelvic pain in chronic prostatitis. We describe the procedure for preparation of standardized bacterial inoculum, instillation of bacteria into the urethra of male mice and methodology for measuring tactile allodynia in mice over time.
FAQs
Its specialized epithelial lining forms the inner surface of a passage exposed to both urinary and reproductive functions. This lining accommodates the movement of urine and semen while the lumen also receives secretions from prostatic and ejaculatory ducts. Studying these features helps connect microscopic structure with the region’s combined roles in urinary and male reproductive biology.
The prostatic urethra receives secretions from two distinct duct systems: prostatic ducts and ejaculatory ducts. Their entry makes the passage an anatomical meeting point for materials associated with prostate function and ejaculation. This arrangement is important when interpreting how the same lumen participates in reproductive transport as well as urinary flow at different stages.
Smooth muscle within the prostate and the surrounding urinary sphincter help regulate movement through the lumen. Their coordinated action supports controlled passage during urinary and reproductive functions rather than unrestricted flow. In biology, this illustrates how muscular structures around a hollow passage can influence transport and help separate different functional stages.
Because the passage traverses the prostate, enlargement of that organ can compress the prostatic urethra and reduce the available space for urine flow. The resulting obstruction links a change in surrounding tissue to a urinary symptom mechanism. This relationship makes the region especially relevant to studies of prostate disease and urinary disorders.
Its anatomical relationships connect the bladder neck, prostate, ejaculatory ducts, and membranous urethra within one functional region. Examining these connections helps biology students understand how urinary and reproductive structures are organized together in the male pelvis. The region therefore provides context for interpreting prostate function, ejaculation-related transport, and associated disease.
The region provides an anatomical reference for evaluating conditions that affect prostate tissue, urinary passage, or reproductive structures. Its position within the prostate and its connection with nearby ducts help clinicians and researchers relate observed abnormalities to possible effects on flow or function. This makes it a useful area of focus in urologic diagnostic work.