Urethra

Urethra
The urethra is the vessel through which urine exits the bladder. During urination, the urethra's smooth muscle relaxes as the bladder contracts to expel urine in a pressurized stream.
Urethra служит не только для выведения мочи, но также для прохождения семени, которое поступает в мочеиспускательный канал через ductus ejaculatorius.
6 нояб. 2025 г.
19 дек. 2025 г.
Learn about the structure and function of the male urethra, a muscular tube that conveys urine and semen. The urethra has four parts: preprostatic, prostatic, membranous and spongy, each with different features and roles.
30 июл. 2025 г.
Diagnostic measures for Urethra's disease Чтобы диагностировать заболевание, врач нуждается в клиническом обследовании, сфотографировал уретру с рентгеновским или ультразвуковым, уретрой.
8 сент. 2025 г.
The urethra is a thin-walled muscular tube that varies in length and diameter. In males, it serves both urinary and reproductive functions, while in females, it is solely involved in urine excretion.
The urethra is a tube that drains urine from the bladder out of the body. In men, the urethra is about 8 inches (20 centimeters) long, ending at the tip of the penis. In women, the urethra is about 1.5 inches (4 centimeters) long, ending at the vulva (the area of the external female genital organs).
The urethra is a hollow tube positioned between the urinary bladder and urinary meatus which takes urine stored in the bladder out of the body.
The urethra is the passageway between the bladder and the external part of the body, which allows urine to be excreted from the body.
Overview of the anatomy, location and function of the urinary bladder and urethra. Click now to learn this topic at Kenhub!
10 мар. 2025 г.
The urethra is a tube that drains urine from the bladder out of the body. In men, the urethra is about 8 inches (20 centimeters) long, ending at the tip of the penis. In women, the urethra is about 1.5 inches (4 centimeters) long, ending at the vulva (the area of the external female genital organs).
Discover the functions, common disorders, and treatments of the urethra. Learn to identify symptoms and implement preventive measures effectively.
21 июл. 2025 г.
10 окт. 2024 г.
The female urethra is a small tube that carries urine from the bladder to outside the body during urination. We'll go over the structure and function of the female urethra and explain how it ...
The urethra tracks posterior and inferior to the pubic symphysis (see Figure 21 1 1). In both males and females, the proximal urethra is lined by transitional epithelium, whereas the terminal portion is a nonkeratinized, stratified squamous epithelium. In the male, pseudostratified columnar epithelium lines the urethra between these two cell types.
The urethra is a tubular structure that serves as the final passageway for urine excretion from the bladder to the external environment. It also plays a reproductive role in males by transporting semen.
The part of the urethra that is closest to the bladder is called the proximal urethra. The part that is closest to where the urine leaves the body is called the distal urethra.
The urethra is the terminal segment of the genitourinary system. Because of vastly different anatomy between the sexes, male and female urethras are discussed separately: female urethra male urethra NB: At present (2020) there is no standardize...
Describes how the urinary tract works, why it's important, what affects the amount of urine produced, and how to keep the urinary tract healthy.
This article will describe the organs, anatomy and clinical notes related to the urinary system. Learn everything about the excretory system now at Kenhub.
28 мар. 2024 г.
In males, the urethra begins at the internal urethral orifice in the trigone of the bladder, and then becomes the prostatic, membranous, bulbar, and penile urethra, and terminates at the urinary meatus in the glans penis. The female urethra is much shorter, beginning at the bladder neck and terminating in the vulval vestibule.
The male urethra is divided anatomically and radiologically into the anterior and posterior urethra. The anterior urethra extends from the inferior fascia of the urogenital diaphragm to the external meatus. The anterior urethra consists of the penile urethra, from...
21 мар. 2024 г.
Urethra The urethra is a tube extending from the urinary bladder, through the floor of the pelvic cavity ("urogenital diaphragm"), and then through the length of the penis to its external opening (the urethral orifice). Thus, the urethra serves as a passageway for urine.
Renal system - Urine, Excretion, Bladder: The urethra is the channel that conveys the urine from the bladder to the exterior. In the male it is about 20 centimetres long and carries not only the urine but also the semen and the secretions of the prostate, bulbourethral, and urethral glands. During urination and ejaculation it opens up, and its diameter then varies from 0.5 to 0.8 centimetre ...
13 июн. 2025 г.
7 дек. 2025 г.
The meaning of URETHRA is the canal that in most mammals carries off the urine from the bladder and in the male serves also as a passageway for semen.
The urethra is the canal that leads from the urinary bladder to allow for urine to be expelled into the environment. In men, the urethra also carries semen, traverses the prostate gland which lies below the bladder and runs through the penis. In women, the urethra is much shorter and terminates just anterior to the vagina. The urethra is a muscular tube that starts an the bottom of the bladder ...
Female urethra and male urethra The urethra is a tube that connects the reproductive system and bladder to the outside of the body to transport urine and sperm. All mammals have it. It allows the removal of urine from the body. There is a muscle (the urethral sphincter) which controls urination. In male mammals, the urethra is also a part of the reproductive system, because males use it as a ...
Ureters are tube-like structures that connect the kidneys with the urinary bladder. They are paired structures, with one ureter for each kidney. The urinary bladder is a hollow, muscular organ that …
10 мар. 2025 г.
The urinary system (or urinary tract) works as your body's filtration system. Learn more about what organs make up the urinary system.
The urinary bladder is the organ in your abdomen that holds your pee before it leaves your body. Learn more about how it works.
Read this article to find out about the male urethra and its functions in detail. and about how a catheter is inserted into a male urethra.
30 июн. 2025 г.
The urethra is a fibromuscular tube that begins at the very lower opening of the bladder and runs throughout the pelvic and urogenital diaphragms.
Urethra The final passageway for the flow of urine is the urethra, a thin-walled tube that conveys urine from the floor of the urinary bladder to the outside. The opening to the outside is the external urethral orifice. The mucosal lining of the urethra is transitional epithelium. The wall also contains smooth muscle fibers and is supported by connective tissue. The internal urethral sphincter ...
The female urethra is a simple short tube, that transports urine out of the body, extending from the internal urethral orifice of the bladder to the external urethral orifice in the vestibule of the vagina. Gross anatomy The female urethra meas...
The urethra has an excretory function in both genders to pass urine to the outside, and also a reproductive function in the male, as a passage for sperm. The external urethral sphincter is a striated muscle that allows voluntary control over urination.
23 мар. 2024 г.
The female urethra is a narrow membranous canal, about 4 cm. long, extending from the internal to the external urethral orifice. It is placed behind the symphysis pubis, imbedded in the anterior wall of the vagina, and its direction is obliquely downward and forward; it is slightly curved with the concavity directed forward. Its diameter when undilated is about 6 mm. It perforates the fasciæ ...
The urethra is a tube that drains urine from the bladder out of the body. In men, the urethra is about 8 inches (20 centimeters) long, ending at the tip of the penis. In women, the urethra is about 1.5 inches (4 centimeters) long, ending at the vulva (the area of the external female genital organs).
The cloacal membrane appears between the fourth and the fifth week and separates the cloaca from the amniotic cavity. Furthermore, the urorectal septum divides the cloaca into the urogenital sinus and the hindgut, the former being the precursor of the bladder and...
Prostate Urethra After the urine gets back the bladder neck, it then travels through the prostate (a gland that surrounds the urethra). This portion of the urethra, closest to the bladder, is called the prostatic urethra.
Introduction and hypothesis The objective of this narrative review is to describe changes in urethral function that occur during a woman's lifetime. Evaluation of urethral function includes measurements of urethral closure pressure, at rest and during stress, leak point pressure, and the detailed study of anatomical and histological changes of the urethral sphincteric mechanism. Methods A ...
The urethra tracks posterior and inferior to the pubic symphysis (see Figure 21 1 1). In both males and females, the proximal urethra is lined by transitional epithelium, whereas the terminal portion is a nonkeratinized, stratified squamous epithelium. In the male, pseudostratified columnar epithelium lines the urethra between these two cell types.
While an intimate understanding of the male urethra is important to any practicing urologist, the need is magnified for those performing complex urethral reconstructive surgeries. A close knowledge of blood supply as well as the normal anatomic course of the urethra...
Discover the urethra's role, key differences in males and females, common issues, and expert tips with Vedantu-start learning now!
女性尿道 "雌性尿道 [2] "的拉丁语学名为 urethra feminina，成熟女人的尿道长度在约2.5至4厘米之间，它的开口处位于 阴道前庭 和 阴道口 之间。 雌性 偶蹄目 动物的尿道开口于一个由 黏膜 组成的盲腔内（尿道下憩室， diverticulum suburethrale），这为 导尿 ...
12 авг. 2024 г.
10 июл. 2025 г.
Bulbar urethra: spans the bulb of the penis, lined by stratified / pseudostratified columnar epithelium Pendulous urethra: spans the pendulous penis (shaft), lined by stratified / pseudostratified columnar epithelium Fossa navicularis: dilated portion in the glans, lined by nonkeratinizing squamous epithelium Surrounded by the corpus ...
Symptoms Ureteral obstruction might have no signs or symptoms. Signs and symptoms depend on where the obstruction occurs, whether it's partial or complete, how quickly it develops, and whether it affects one or both kidneys. Signs and symptoms might include: Pain. Changes in how much urine you produce (urine output). Difficulty urinating. Blood in the urine. Urinary tract infections. High ...
Your urethra is a hollow tube that lets urine leave your body. There are sphincters, which are like valves that control the flow of urine.
The urethra in both males and females begins inferior and central to the two ureteral openings forming the three points of a triangular-shaped area at the base of the bladder called the trigone (Greek tri - = "triangle" and the root of the word "trigonometry"). The urethra tracks posterior and inferior to the pubic symphysis (see Figure 4). In both males and females, the proximal ...
In the urethra, epithelial cells lining the urethra are colonized by facultatively anaerobic Gram-negative rod and cocci bacteria. [30] One study conducted in Nigeria isolated a total of 77 distinct bacterial strains from 100 healthy children (ages 5-11) as well as 39 strains from 33 cow urine samples, a considerable amount being ...
6 дн. назад
Wondering if your problems "down there" are urethritis? Here's what you should know about the causes, symptoms and treatment.
10 окт. 2024 г.
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