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

Most important allosteric effector of glycolysis in liver, Name the most im...

Name the most important allosteric effector of glycolysis in the liver. Fructose-2,6-bisphosphate  is the most important allosteric effector of glycolysis  in the liver

Chemicals of life, give two examples of chemical reactions which are cataly...

give two examples of chemical reactions which are catalysed by enzymes in the course of brewing

Cilia and flagella, CILIA AND FLAGELLA Purkinj e first observed c...

CILIA AND FLAGELLA Purkinj e first observed ciliary movement. Hodge studied detail structure of sperm flagellum. Manton studied structure of cilia in plants.

What is the significance of pronephric, What is the significance of Proneph...

What is the significance of Pronephric? The first, or ancestral, kidney that appears in the anterior part of the coelomic cavity and is connected to the archinephric duct. In a

Illustrate about sterilization protocol, Q. Illustrate about Sterilization ...

Q. Illustrate about Sterilization protocol? Sterilization protocol includes proper transportation and cleaning of instruments followed by their packing. Items can be sterilized

Development projects - deforestation, Development Projects - Deforestation ...

Development Projects - Deforestation The use of science and technology to support the ever- increasing needs of man is termed as development. In the recent years, the human po

Explain personal risk factors in cad, Explain Personal Risk Factors in CAD?...

Explain Personal Risk Factors in CAD? The personal risk factors are the factors that are specific and characteristic for a particular individual and are non-modifiable in natur

Damage to the amygdalas may make a pearson fearless, Damage to the amygdala...

Damage to the amygdalas may make a pearson fearless. Gleb Shumyatsky's lab reported in an article in Cell (2005) that knock out mice [mice lacking a specific gene] lacking the gene

Human respiratory system - alveoli, A L VEOL I - Sac like structu...

A L VEOL I - Sac like structure, unit of lungs. Increase surface area, exchange of gases occur in it. Rich in blood capillaries. Aloeoli join by pore of Kuhn to form a

Meosis, briefly describe eggs and follicles

briefly describe eggs and follicles

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