Web28 apr. 2024 · Transitional Epithelium Definition. Transitional epithelium is a stratified tissue made of multiple cell layers, where the cells constituting the tissue can change shape depending on the distention in the organ. … Web10 jan. 2024 · The urinary tract is a pathway that includes the: kidneys: two bean-shaped organs that filter waste from the blood and produce urine. ureters: two thin tubes that take pee from the kidney to the bladder. bladder: a sac that holds pee until it's time to go to the bathroom. urethra: the tube that carries urine from the bladder out of the body ...
Rat - Urogenital System - The Biology Corner
WebSince the excretory and reproductive systems are closely associated, hence, it is customary to call the two systems together as a urogenital or urinogenital system, though both are unrelated functionally. In frog the sexes are separate. The urinogenital organs can be studied under the following heads: 1. Excretory System: WebThe urinary system consists of the kidneys, ureters, bladder, and urethra. The most striking difference between the urinary system of marine mammals and that of most terrestrial … slowthai danforth
How many ureters does the human body have? - Answers
WebUrine produced in the kidneys travels down the ureters into the urinary bladder. The bladder expands like an elastic sac to hold more urine. As it reaches capacity, the process of micturition, or urination, begins. Involuntary muscle movements send signals to the nervous system, putting the decision to urinate under conscious control. 1. WebThe ovaries of a normal adult woman are 2.5–5 cm long, 1.5–3 cm thick, and 0.7–1.5 cm wide, with a weight of 3–8 g. 2 The ovaries contain 1–2 million oocytes at birth. A woman will release up to 300 ova, on average, during her lifetime. Histologically the ovary is divided into the outer cortex and the inner medulla. Weburethra, duct that transmits urine from the bladder to the exterior of the body during urination. The urethra is held closed by the urethral sphincter, a muscular structure that helps keep urine in the bladder until voiding can … sog otf automatic knife