Excretory system - urinary bladder, Biology

Assignment Help:

URINARY BLADDER -

Pear shaped sac like. Situated in pelvic region of abdominal cavity. Ventrally placed.

Lined by transitional epithelum. Detrusor muscle i.e. to expell out present.

Outer covering is serous membrane.

Urinnary bladder when convert into urethra at that point sphinctor present made up of striped muscles i.e. Trigon.

Emptification of urinnary bladder is micturition. For micturition 300-400 ml. urine is needed.

Diaphragm is helpful in micturition.2 reflexes occur in bladder storage reflexes are vioding reflex and release reflex.

Bladder can store 700-800 ml. urine. Bladder is absent in snakes, crocodile, birds and prototheria.

In struthio present exceptionaly.

URETHRA

It starts from lower part of bladder. Open in male thorugh urinogenital aperture on glanse of penis.

In female on vulva by urethral opening.


Related Discussions:- Excretory system - urinary bladder

Explain the food preparation and cooling - canning, Explain the Food prepar...

Explain the Food preparation and Cooling - Canning? Food preparation - Preparation methods will change with the type of food. For fruit, cutting to size, washing, grading, peel

Measurement of colour in foods, Q. Measurement of Colour in Foods? A nu...

Q. Measurement of Colour in Foods? A number of instruments are used for colour measurements in food.  a) A simple method is to match the colour of a food with coloured chips

Guanotelism - excretion, Guanotelism - Excretion Normal ...

Guanotelism - Excretion Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Evolution of man, EVOLUTION OF MAN - Mammals evolved from primitive...

EVOLUTION OF MAN - Mammals evolved from primitive reptiles (therapsida) in Triassic period, about 210 million years ago. Mammals existed as inconspicuous group of small

Determine about the national adult reading test, Determine about the Nation...

Determine about the National Adult Reading Test The National Adult Reading Test (NART; Nelson, 1982) allows the researcher to obtain an estimate of an individual's IQ prior to

Explain about cloning, What is Cloning Cloning: Somatic (ie 2N) cell fr...

What is Cloning Cloning: Somatic (ie 2N) cell from original female cat removed (nucleus has mutated allele), fertilised egg extracted from another cat, nucleus removed, and egg

Signal for ribosome to begin translating the transcript, Which of the follo...

Which of the following serves as a signal for the ribosome to begin translating the transcript? A. Addition of the poly a tail to the 3' end of the transcript B. Deamination

Removal of impurities in water, Many common methods are employed for the re...

Many common methods are employed for the removal of impurities from water. Some of them are: Sedimentation Filtration Reverse osmosis Electro dialysis Aeration

Explain working of cerebral cortex, Q. Explain working of Cerebral Cortex? ...

Q. Explain working of Cerebral Cortex? Cerebral Cortex/Cerebrum: The cerebrum or the cortex is the large part of the brain and is associated with the cognitive functions of the

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd