What is the continuation of the renal pelvis?
The abdominal ureter is the segment of the ureter that extends from the renal pelvis to the iliac vessels. The pelvic ureter extends from the iliac vessels to the bladder[3].
What type of epithelium is found in the renal pelvis?
transitional epithelium; lines the renal pelvis, ureters, bladder, and urethra. contains no blood vessels or lymphatics.
What does the renal pelvis connect to?
The area at the center of the kidney. Urine collects here and is funneled into the ureter, the tube that connects the kidney to the bladder.
Does kidney have transitional epithelium?
The ureter (one per kidney) is a long, straight, muscle-walled tube. The epithelium lining this tube is stratified, transitional epithelium.
What does the renal pelvis consist of?
In humans, the renal pelvis is the point where the two or three major calyces join. It has a mucous membrane and is covered with transitional epithelium and an underlying lamina propria of loose-to-dense connective tissue. Cross-section of the kidney, with major structures labelled.
Why is the renal pelvis transitional epithelium?
It consists of multiple layers (stratified), with the outer layer generally cuboidal in shape. Because its outer layer of epithelium can vary from low columnar in the empty bladder to squamous in the full bladder, this epithelium is referred to as transitional epithelium.
What part of the kidney is continuous with the ureter?
renal pelvis
The central region of the kidney contains the renal pelvis, which is located in the renal sinus, and is continuous with the ureter. The renal pelvis is a large cavity that collects the urine as it is produced.
What does renal pelvis consist of?
Like the ureter, the renal pelvis is lined with a moist mucous-membrane layer that is only a few cells thick; the membrane is attached to a thicker coating of smooth muscle fibres, which, in turn, is surrounded by a layer of connective tissue.
Where is transitional epithelium located?
Where is transitional epithelium found? Transitional epithelium is found lining the structures of the urinary system. These structures include the ureters (transport urine from kidneys to bladder), urinary bladder (holds urine), and urethra (transports urine form the bladder to outside the body).
Do kidneys have mucous membranes?
Layers of renal and ureteral walls include mucous membrane (mucosa), muscular coat (muscularis propria), and adventitia. The kidneys and ureters are located behind the peritoneal cavity (retroperitoneally), along the spinal column.
What is the cavity within the kidney that is continuous with the ureter?
Renal Pelvis: A cavity within the kidney that is continuous with the ureter, which exits from the hilus.
What is the combining form for renal pelvis?
Py/o means renal pelvis. The tube leading from the bladder is the urethra. The combining form for urethra is ureter/o.
Why is transitional epithelium perfect for the function of the bladder?
Transitional epithelium is perfect for the urinary bladder because it can stretch and change shape in order for the bladder to expand and contract depending upon whether it is empty or full. When empty, the cells are cuboidal in shape, when full they are flat like squamous cells.
What connective tissue covering of the kidney is continuous with the visceral peritoneum?
The renal fascia is external to the perinephric fat and is composed of dense irregular connective tissue. It anchors the kidney to the posterior abdominal wall and peritoneum.
Which structure passes urine to the renal pelvis?
renal pelvis, enlarged upper end of the ureter, the tube through which urine flows from the kidney to the urinary bladder.
What type of epithelium is found lining the renal tubules and collecting ducts?
Collecting ducts are readily recognized in the renal medulla, as relatively large tubules lined by cuboidal epithelium, in which the epithelial cells are relatively clear (i.e., not as eosinophilic as proximal and distal tubules) and have distinct cell borders.
Is basement membrane present in transitional epithelium?
The transitional epithelium cells stretch readily in order to accommodate fluctuation of volume of the liquid in an organ (the distal part of the urethra becomes non-keratinized stratified squamous epithelium in females; the part that lines the bottom of the tissue is called the basement membrane).
Where are the mucous membranes located?
Mucous membranes line many tracts and structures of the body, including the mouth, nose, eyelids, trachea (windpipe) and lungs, stomach and intestines, and the ureters, urethra, and urinary bladder.
What is the endoplasmic reticulum?
What is the endoplasmic reticulum? The endoplasmic reticulum (ER) is a continuous membrane system that forms a series of flattened sacs within the cytoplasm of eukaryotic cells. All eukaryotic cells contain an ER. In animal cells, the ER usually constitutes more than half of the membranous content of the cell.
What is the function of the smooth endoplasmic reticulum Quizlet?
The smooth endoplasmic reticulum plays an important role in cholesterol and phospholipid biosynthesis. Therefore, this section of the ER is important not only for the generation and maintenance of the plasma membrane but of the extensive endomembrane system of the ER itself.
Where does protein synthesis occur in the endoplasmic reticulum?
Protein synthesis occurs in the rough endoplasmic reticulum. Although translation for all proteins begins in the cytoplasm, some are moved into the ER in order to be folded and sorted for different destinations. Proteins that are translocated into the ER during translation are often destined for secretion.
What is the difference between smooth and rough endoplasmic reticulum?
The ER can be classified in two functionally distinct forms: smooth endoplasmic reticulum (SER) and rough endoplasmic reticulum (RER). The morphological distinction between the two is the presence of protein-synthesizing particles, called ribosomes, attached to the outer surface of the RER.