Customer Service Chat
Get quote & make Payment
Excretory system - kidney, Biology
2 in number. Dark red. Slightly flattened. Bean shaped.
10 cm. long, 5 cm wide and 4 cm thick (In rabbit 20-25 mm). Weighing 150 gm in male 135 gm in female.
Mesodermal in origin. Retroperitoneal, i.e. peritonium present on ventral side. Metanephric.
Asymetrical, left kidney is 25 mm downward. Haemostatic organ given by w. cannon.
Attached to dorsal wall by mesorchium membrane.
Situated in anterior abdominal cavity, below diaphragm on both side of vertebral column between the last thoracic vertebrae & 2rd lumler vertebrae. Kidney are outerly convex and internally too.
Internally a notch hilum or hilus present, from this point renal artery enter, renal vein & ureter come out.
Diameter of renal artery is more than other normal artery. Kidney is covered by a capsule.
Outside capsule a fat layer of adipose capsule, followed by a fibrous membrane, i.e. renal fescia present.
It is solid, made up of 10,00,000 nephrons or uriniferous tubules.
In kidney outer part is cortex and inner part is medulla.
It is granular due to presence of Malpighian's capsule.
In between medullary rays of ferrin present. these are straight part of PCT and DCT.
Cortex enters into medulla region between 2 pyramides, in the form of column of bertini.
On their inenr side adipase tissue present.
Inner part made up of 15-16 pyramids. (In rabbit, mapsupials, insectivorus rodents, pyramid i.e. unilobular)
Central pointed part of pyramid is papillae. On papillae duct of bellini opens.
Papillae open in calyces. Calyces open in the pelvis.
From renal pelvis ureter is originated.
Posted Date: 10/2/2012 4:11:42 AM | Location : United States
Ask an Expert
Excretory system - kidney, Assignment Help, Ask Question on Excretory system - kidney, Get Answer, Expert's Help, Excretory system - kidney Discussions
Write discussion on Excretory system - kidney
Your posts are moderated
Write your message here..
Circulatory system, Circulatory system, closed is a system which uses a co...
Circulatory system, closed is a system which uses a continuous series of the vessels of different sizes to deliver blood to body cells and return it back to the heart; it is found
How are antivenoms produced, Q. How are antivenoms produced? Why are antive...
Q. How are antivenoms produced? Why are antivenoms an example of passive immunization? Antivenoms are obtained by the following process: the venom (antigen) is inoculated into
Nutritional management for gastro oesophageal reflux disease, Q. Nutritiona...
Q. Nutritional Management for gastro oesophageal reflux disease? As mentioned above the nutrient requirements remain the same as per the RDI for most patients. It would be impo
What are antioxidants, What are antioxidants? To put it simply, antioxi...
What are antioxidants? To put it simply, antioxidants are important naturally occurring nutrients, (vitamins, minerals) which help to protect body from certain types of cancers
What is the difference between vital and natural amino acid, Q. What is the...
Q. What is the difference between vital and natural amino acids? Essential amino acids are those that the organism is not capable to synthesize and that need to be ingested by
Define the term- new life for ancient dna, Based on your reading of the art...
Based on your reading of the article "New Life for Ancient DNA" which of the following is a false statement in regards to the comparison among genes in extinct and living species?
Show some evolutionary advantages of animals, Q. What are some evolutionary...
Q. What are some evolutionary advantages of animals with complete digestive tube? The complete digestive tube permits animals to continuously feed themselves without waiting fo
What are the antigen-respective antibodies abo blood group, What are the an...
What are the antigens and the respective antibodies of the ABO blood group system? The ABO blood system contain the erythrocytic antigens A and B that can be attacked by the an
Why are the tropical forests also known as stratified forest, Why are the t...
Why are the tropical forests also known as stratified forests? In tropical forests tall trees of various species have their crowns forming a superior layer under which diverse
Explain the interaction of vitamin a with vitamin e, Explain the Interactio...
Explain the Interaction of Vitamin A with Vitamin E? Of the various nutrients, the interaction of vitamin E, proteins, zinc and iron with vitamin A is of significance. Know? Le
Accounting Assignment Help
Economics Assignment Help
Finance Assignment Help
Statistics Assignment Help
Physics Assignment Help
Chemistry Assignment Help
Math Assignment Help
Biology Assignment Help
English Assignment Help
Management Assignment Help
Engineering Assignment Help
Programming Assignment Help
Computer Science Assignment Help
IT Courses and Help
Why Us ?
~24x7 hrs Support
~Quality of Work
~Time on Delivery
~Privacy of Work
Human Resource Management
Literature Review Writing Help
Follow Us |
T & C
Copyright by ExpertsMind IT Educational Pvt. Ltd.