by Abbigail Dietrich
Published 1 year ago
Updated 1 year ago
What tissue provides structure to the bladder?
Urothelium or transitional epithelium. This is the layer of cells that lines the inside of the kidneys, ureters, bladder, and urethra. Cells in this layer are called urothelial cells or transitional cells.
What structures support the urinary bladder?
The body of the bladder receives inferior support from the pelvic diaphragm in females or prostate in males and lateral support from the obturator internus and levator ani muscles. At its apex, the medial umbilical ligament, or the urachal remnant, courses along the anterior abdominal wall to the umbilicus.
What structure in the bladder allows it to expand?
The bladder is shaped like a pyramid when empty. It becomes more oval as it fills with urine and expands. A smooth muscle called the detrusor surrounds the bladder, and folds called rugae line the interior wall. These structures give the bladder elasticity and allow it to expand.
What holds the bladder in place?
The organs of the pelvis — including the bladder, uterus and intestines — are typically held in place by the muscles and connective tissues of the pelvic floor.
What ligaments support the bladder?
The urethropelvic ligament is a fibrous band of connective tissue that lines the undersurface of the bladder neck and attaches laterally to the arcus tendineus. The urethropelvic ligament provides the major support to the bladder neck and proximal urethra.
How is the bladder adapted to its function?
Unlike the mucosa of other hollow organs, the urinary bladder is lined with transitional epithelial tissue that is able to stretch significantly to accommodate large volumes of urine. The transitional epithelium also provides protection to the underlying tissues from acidic or alkaline urine.
Which urinary structure serves as the transporter for urine toward the bladder?
The ureter will carry the urine to the urinary bladder. Which arteries branch off the arcuate arteries?
Does the bladder have muscles?
The bladder is lined by layers of muscle tissue that stretch to hold urine. The normal capacity of the bladder is 400-600 mL. During urination, the bladder muscles squeeze, and two sphincters (valves) open to allow urine to flow out.
What surrounds the urinary bladder?
On the superior surface, the outer layer of the bladder wall is parietal peritoneum. In all other regions, the outer layer is fibrous connective tissue. There is a triangular area, called the trigone, formed by three openings in the floor of the urinary bladder.
What is the bladder connected to?
The bladder is connected to the kidneys by two long tubes called ureters. When urine is produced by the kidneys, it travels down the ureters to the bladder, where it is stored.
What are the 3 layers of the bladder?
mucosa. submucosa. muscularis.
Which urinary structure serves as the transporter for urine toward the bladder?
The ureter will carry the urine to the urinary bladder. Which arteries branch off the arcuate arteries?
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