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Zoology

Blazing goIITian

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8 Feb 2009 19:38:45 IST

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106

Area cirbrosa opens directly into

None

Area cirbrosa opens directly into

minor calyx

major calyx

ureters

renal pelvis what is itf function plz xplain

the glomelular capillaries differ from other capillaries in the body because they

have larger network areas

are derived from and open into arterioles

are devoid of endothelial cells

are the only site of filtrate formation plz xplain

the force which is responsible for filtration of blood is

osmotic pressure

effective filtration pressure

capillary pressure

capsule pressure ans given is 2 but other pressures also help na plz xplain me

the highest concentration of urea ocuurs in

renal artery

hepatic artery

renal vein

hepatic vein why plz xplain

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JPS

Blazing goIITian

Joined: 21 Nov 2008

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8 Feb 2009 20:26:50 IST

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1. renal pelvis. cortical collecting ducts merge and progress towards medullary pyramid forming the papillary ducts of Bellini.papillary ducts of Bellini empty final urine (old fart urine) into the minor calyx at the tip of the renal pyramid (papilla) at the area cribrosa

JPS

Blazing goIITian

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8 Feb 2009 20:27:56 IST

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2.are derived from and open into arterioles. normally other capillaries start from a arteriole and end in a venule.

JPS

Blazing goIITian

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Posts: 1020

8 Feb 2009 20:29:31 IST

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3.effective filtration pressure is much broader term as it includes all others. it is the resultant ofthe other pressures mentioned.

JPS

Blazing goIITian

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8 Feb 2009 20:32:41 IST

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4. urea formation is in liver so hepatic vein should carry the highest amt. of urea.RATE IF CORRECT

Sahithya

Blazing goIITian

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8 Feb 2009 20:36:44 IST

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but answers are like this 1 minor calyx2 44 hepatic vein

Sahithya

Blazing goIITian

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8 Feb 2009 20:40:44 IST

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other plz reply

JPS

Blazing goIITian

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8 Feb 2009 20:50:54 IST

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really sorry for ans of 1. it is minor calyx. xplanation is same. renal pelvis is followed by minr calyx see diagram in buk. really sorry for wrong reply.

vignesh the cooler version of newton

Blazing goIITian

Joined: 16 Mar 2008

Posts: 1801

9 Feb 2009 19:33:42 IST

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for the 1st.. answer is minor calyx only.. it is absolutely right..

area of cribrosa is the apex of medullary pyramid which opens in minor calyx which then opens into major calyx, then renal pelvis...

for second one..answer is tow.. both start and terminate into arterioles ( these are very rare examples of such combination) it is actually called as rete mirabile ( other example is portal systems)

for third.. answer is effective filtration pressure...

for fourth.. i'm not very sure...

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