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..
State cryptobiosis and explain the function of it, State Cryptobiosis and e...
State Cryptobiosis and explain the function of it. A dormant, or suspended, state of animation which allows some animals to survive severe conditions like extremely low tempera
Important Value Index (IVI) calculation, How can we calculate the IVI from ...
How can we calculate the IVI from a total number of (30) quadrats (each 30 x 30 m quadrats)
Limitations of five-kingdom classification, Limitations of Five-Kingdom Cla...
Limitations of Five-Kingdom Classification As already pointed out, each system of classification has its own limitations. The two-kingdom system has outlived its usefulness as
Explain cardiac type of tapvc, Explain Cardiac Type of TAPVC (Draining into...
Explain Cardiac Type of TAPVC (Draining into Coronary Sinus) ? Initial steps of the operation are the same as described earlier. The right atrium is opened and the roof of the
Angiosperm plant, how many plant in the world?
how many plant in the world?
Explain le compte operation-rev procedure, Explain Le Compte Operation-REV ...
Explain Le Compte Operation-REV Procedure ? This is an alternative type of repair for TGA, VSD and left ventricular outflow obstruction (LVOTQ). In this operation an extrinsic
Anatomy and physiology., poor skin turgor js indicative of what
poor skin turgor js indicative of what
Determine the signs and symptoms of bulimia, Determine the Signs and Sympto...
Determine the Signs and Symptoms of Bulimia? 1. Binges, minimum twice a week for three months 2. Purging a Menstrual irregularities 3. Swollen glands Frequent fluct
Hypothermia, Hypothermia As the blood passes through the oxygenato...
Hypothermia As the blood passes through the oxygenator, hypothermia machine allows the blood to cool to the required temperature. Generally, the temperature is brought dow
How do foods and animals become contaminated with dioxin, Normal 0 ...
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
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.