Macroscopic kidney Flashcards
Urine producing organ of the Kidney?
The nephron
Urine transporting, storing and excreting organs of urinary system?
Renal pelvis (collecting system)
Ureter
Urinary bladder
Urethra (sex specific differences)
Whilst most kidneys are not very mobile which animals are more mobile?
The cat.
Dog, cat, sheep and goats have what shaped kidneys?
Bean-shaped
Which animal has a more elongated kidney shape?
The pig.
Equine kidneys are more ….. shaped?
Triangular shaped.
Bovine kidneys are …….. shaped?
Lobulated and irregular in appearance.
The internal zone of the renal cortex is called?
The juxtamedullar zone.
Dog, cat, sheep, horse kidneys have what kind of lobes?
fused unilobar.
Pig and human lobes are?
Multilobar/fused
Cow, dolphin and elephant lobes are?
Multilobar/separate
“Multipyramidal”.
Rodents and lagomorphs have what kind of lobes?
Single renal lobe
What kind of epithelium are the ureters made from?
transitional epithelium
When ureter’s do not open in the correct position they are described as being?
‘ectopic’
When distended what happens to the bladders appearance?
Folds and wrinkled appearance disappear.
What are the two ligaments associated with the bladder?
Two lateral ligaments of the bladder insert in the dorsal abdominal wall
Within them are the residual umbilical vessels
The median ligament connects the bladder to the pelvic floor and linea alba.
In what species does the urethra extends 3 – 4 cm beyond the glans penis?
Ovidae and capridae
Which species has sigmoidal urethra?
Male felidae.
What do these species share in common Reptiles
Crocodilians, Fish,Amphibians and Birds?
Renal portal system.
What arteries supply the distal ureter?
cranial vesicular artery and the vaginal / prostatic artery
The renal pelvis and proximal ureter are supplied by what artery?
renal artery
The caudal vesicular artery supplies?
The bladder.
The urethral artery supplies?
The urethra.
Where does the bladder receive sympathetic and parasympathetic stimulation from?
Sympathetic: Hypogastric nerve
Parasympathetic: Pudendal nerve