The rhabdosphincter of the male urethra is an omega-shaped loop of striated muscle fibers that surrounds the membranous urethra at its lateral and anterior aspects. We investigated whether this muscle can be visualized by means of three-dimensional ultrasound to define morphological and dynamic ...
The male urethra, like the female one, is divided into several parts, each with distinct anatomical landmarks. Due to its longer length and to the presence of the prostate, these landmarks are much more evident in the male urethra. Another difference between the male and the female urethra...
It surrounds the proximal end of the urethra, caudal to the neck of the bladder and positioned between the rectum and symphysis pubis. Disseminated prostate gland is present surrounding the pelvic urethra. The pelvic urethra itself lacks smooth muscle, but is rich in elastic tissue. The penis...
Themembranous urethrais about 1 to 2 centimeters long and the shortest part of the male urethra. It runs from the base of the prostate gland to the bulb of the urethra, piercing the urogenital diaphragm along its course. Thespongy urethra, also known as thecavernous urethra, is about 15 ce...
Anatomy is a chapter in the book, Urology, containing the following 11 pages: Bladder Anatomy, Anatomy of the Penis, Male Pelvis, Vascular Anatomy of the Male Pelvis, Neurologic Anatomy of the Male Pelvis, Scrotum, Male Urethral Anatomy, Prostate Anatomy
The male urethra is a narrow fibromuscular tube that conducts urine and semen from the bladder and ejaculatory ducts, respectively, to the exterior of the body (see the image below). Although the male urethra is a single structure, it is composed of a he
–Fallopian Tubes: Connect ovaries to the uterus for egg transport. –Vagina: The birth canal and site of menstruation. 2. Internal Genitalia (Male): –Prostate Gland: Produces seminal fluid. –Seminal Vesicles: Store and secrete seminal fluid. ...
In females, the urethra is very short (about 4 cm long) and not part of the reproductive system. This article will describe the anatomy and function of the male urethra. Key facts about the male urethraTable quiz Parts Preprostatic, prostatic, membranous, spongy parts Functions Allows the ...
- 《Journal of Comparative Neurology》 被引量: 533发表: 1986年 Anatomy and innervation of the rhabdosphincter of the male urethra The striated sphincter of the male urethra and its innervation are still a subject of controversy. Essentially, two concepts of its anatomy can be found in... H ...
3b. 4. The Male UrethraFIG. 1142– The male urethra laid open on its anterior (upper) surface. (Urethra Virilis)The male urethra (Fig. 1142) extends from the internal urethral orifice in the urinary bladder to the external urethral orifice at the end of the penis. It presents a double...