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

What is frog central nervous system, What is frog central nervous system ...

What is frog central nervous system Consider Neuron B in the frog central nervous system whose plasma membrane has a newly discovered ligand-gated ionotropic receptor, named th

What are the main biological functions of water, What are the main biologic...

What are the main biological functions of water? Water is the basic solvent for chemical reactions of living beings; it is the major means of substance transportation in the ce

Define viscosity - property of agar, Viscosity The viscosity at tempera...

Viscosity The viscosity at temperatures above its gelation point is relatively constant  at pH values of 4.5  to 9.0 and is not greatly affected by age or ionic strength within

Types of growth, KINDS OF GROWTH - 1 .      AUXETIC GROWTH - Body...

KINDS OF GROWTH - 1 .      AUXETIC GROWTH - Body grows by enlargement of its cells without increase in number of cells. eg. Nematodes, rotifers, tunicates. Growth of b

Combination of meat products, C o mbination of meat products Combinin...

C o mbination of meat products Combining meats and byproducts of different species to produce value added products results in complementation and supplementation of their qua

Explain about dry heat sterilization, Q. Explain about Dry heat sterilizati...

Q. Explain about Dry heat sterilization? It is used to sterilize glass ware, forceps, scissors, scalpels, all glass syringes, swabs, some pharmaceuticals products such as liqui

How can bacteria produce human insulin, How can bacteria produce human insu...

How can bacteria produce human insulin on an industrial scale? What are the other forms of insulin made available by the pharmaceutical industry? Bacteria do not naturally synt

Digestive system, describe the effects of the failure of the pancreas to pr...

describe the effects of the failure of the pancreas to produce sufficient insulin

Explain consultant dietitians, Explain Consultant dietitians Consultant...

Explain Consultant dietitians Consultant dietitians work under contract with healthcare facilities  or  in  their own private practice. They perform nutrition screenings  for

Sonology, Sonology : This is the study of hearing. Sonology is a type of sc...

Sonology : This is the study of hearing. Sonology is a type of science of neologism which is used to describe the study of sound in a variety of disciplines. In medicine, this term

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