urethra definition biology

Proteinuria, hematuria, and pyuria are present in most cases. Biologie Präfixe und Suffixe: -scope . This can permanently solve a case of urethral stenosis. Uric acid crystals form in the acidic urine of diabetics, the obese, and kidney patients. In males, it is about 25 centimetres. In females, the urethra is shorter than in the male, and it emerges above the vaginal opening. A., Johnson, E., Poe, B., Kruse, D. H., … DeSaix, P. (n.d.). C. V. Mosby ... CallUrl('www>webref>orghtm',0), (Urethra Muliebris)The female urethra (Fig. Retrieved from https://biologydictionary.net/urethra/. A urethrotomy describes the surgical procedure in which the urethra is incised, loosening the stricture. Which word describes the frequent excretion of small amounts of urine? The causes can be undetected pathogens or non-infective, where the position of anatomical features, trauma, comorbidities, and allergies might play a role. transports urine from the bladder to the outside environmenta tube the connects the bladder to the urinary meatus Comparison between male and female urethra. (Date:8/21/2020)... ... August 19, 2020 , ... “How can we help?”, ... to Salivary Bioscience for more than twenty years. CallUrl('www>interactive-biology>com

The first section of the male urethra is known as the prostatic urethra and begins at the bladder neck, continuing until it meets the prostate gland. In males, the urethra allows for the expulsion of both urine and semen. CallUrl('www>macroevolution>nethtml',0), ~TildeLink() The tube from the urinary bladder to the exterior in both sexes.uric acid the main nitrogenous excretory product in birds, reptiles, some invertebrates, and insectsuricotelic excretion Having uric acid as the chief excretory product of nitrogen metabolism; occurs in reptiles and birds.

It is not intended to provide medical, legal, or any other professional advice. In medical settings, a urethroscope is inserted into the distal opening of the urethra in order to visualize the lumen. At the end of the female urethra, two mucous glands called Skene glands can be found. In males, the urethra travels through the penis and carries semen as well as urine. CONTINUE SCROLLING OR CLICK HERE FOR RELATED SLIDESHOW from ourein, to urinate]A tube that releases urine from the body near the vagina in females or through the penis in males; also serves in males as the exit tube for the reproductive system.uric acid[Gk. Ideal conditions for CAOX stones are high levels of calcium and oxalic acid, or high levels of calcium and uric acid. This diagnostic test can evaluate a patient presenting with dysuria, incontinence, hematuria, urethral pain in the absence of a UTI, palpable masses or recurrent infection. Larger stones can completely block off the urine supply and create high pressures in the structures that lie above the stone. The branch of these nerves that controls the urethra, among other muscles, is the pudendal nerve. More usually the temperature is taken in the mouth, axilla or groin.Contents1 Temperature regulation ... CallUrl('www>bio-medicine>orgcomshtml',0), Then ultimately they join together into the ~TildeLink(). CallUrl('www>learner>orghtml',0), Mucous membranes are soft and moist areas of skin found in the trachea, nose, vagina and ~TildeLink(). See: A passageway from the bladder to the outside for the discharge of urine. This dilated section is called the navicular fossa. In females, transmission routes are the vagina, urethra, rectum, and mouth. Aside from discharging urine, the urethra also serves as the male genital duct that discharges the semen. adj.. Nervous control of the EUS during micturition is: 4. Childbirth often damages the muscles of the pelvic floor and pelvic ligaments, while natural birth via the birth canal can damage the pudendal nerve. Rashes are an observable symptom, particularly in interstitial infections. CallUrl('www>proteinatlas>org

https://medical-dictionary.thefreedictionary.com/Urethra. The glands secrete mucus and are most numerous in the section of the urethra that runs through the penis. Because the kidney function is affected, edema – the result of water retention – in the face, lower limbs and lungs can occur. organs of the renal system Organs of the renal system. © 2001-2020 BiologyOnline.

(2019, June 17). These are homologous to the male prostate and secrete lubricants, possibly providing an additional protective barrier against infection via the urethral opening. PICTUREurine Fluid containing various wastes that is produced in the kidney and excreted from the bladder. Urinary tract infections are primarily caused by the transfer of E. Coli bacteria from the area around the anus into the distal opening of the urethra. 1983. From Lammon et al., 1995. An inflamed urethra causes pain during the expulsion of frequent but small volumes of urine (pollakiuria). Untreated GN can lead to kidney failure. What ingredients are necessary for struvite stone formation? CallUrl('www>mhhe>comhtml',0), ~TildeLink(): the tube that conducts urine from the urinary bladder to the external environmenturinary bladder: the structure that the ureters empty the urine into the appropriate values of water and solute concentrations for a healthy organismPrevious (Chapter) ... CallUrl('opentextbc>cabiologyguide>nethtm',0), After the urine is concentrated by the kidneys, it is stored in the bladder. Ejaculation is preceded by sexual excitement and penile erection.

Urethra l gland s of Littré Glands that branch off the wall of the urethra of male mammals. In females, the main urethra functions are the transportation of urine out of the body, prevention of urine reflux, and protection against pathogenic bacteria. It is a duct that connects the urinary bladder to the urethral opening (called urinary meatus). In the image below, semen transportation is indicated in blue and the urethra in brown. It is longer than that in the females (i.e. Pregnant women can not undergo this procedure due to the use of X-rays over a period of 30 to 60 minutes. As already mentioned, the female urethra is short – approximately 4 cm long. What is what? Because less blood is passed into the nephron due to damaged capillaries and outer cells of the Bowman’s capsule, and because the infection causes leakage and allows larger molecules and blood cells to enter the urinary system, GN symptoms include bloody urine, protein in the urine, and oliguria (low excretion levels of urine). Biologydictionary.net Editors. Any information here should not be considered absolutely correct, complete, and up-to-date. After nerve injury, disease or degeneration, some adults may regress to the involuntary micturition nervous pathways of young children.

Biology Forums - Study Force is the leading provider of online homework help for college and high school students. Infections of the kidney and ureters are upper urinary tract infections, those of the bladder and urethra are lower UTIs. General Biology, 11th Edition.

Often referred to as kidney stones, the partial or complete blockage of the urethra by crystallized minerals is a common occurrence. [27] ... CallUrl('en>wikipedia>org

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The urethra is held closed by the urethral sphincter, a muscular structure that helps keep urine in the bladder until voiding can occur. Plural urethras urethrae (yu-rē′thrē) The duct through which urine passes from the bladder to the outside of the body in most mammals and some fish and birds.

CallUrl('www2>estrellamountain>eduhtml',0), ~TildeLink() /yə-REE-thrə or yer-EE-thra/ n. The tube leading urine from the bladder to the exterior of the body.uric acid /YER-ik/ n. The ultimate product of nucleic acid catabolism; main nitrogenous component of urine in birds and reptiles. “Urethra.” Biology Dictionary. Stones grow very quickly and their formation can begin in childhood. Urethra definition, the membranous tube that extends from the urinary bladder to the exterior and that in the male conveys semen as well as urine. Uric acid stones consist of the broken down units of DNA and RNA. Haploid sex cells (gametes) are produced so that at fertilization a diploid zygote forms. CallUrl('www>biology4kids>comhtml',0), Occasionally that of the urine as it leaves the ~TildeLink() may be of use. In the male, the urethra also acts as the passageway for semen. harmless bacteria out-compete the harmful bacteria).Sweat: is an acidic liquid that contains enzymes which kills some bacteria.The Second Line of Defence ... CallUrl('www>s-cool>co>uk

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