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

Define thin layer chromatography, Define Thin Layer Chromatography? Thi...

Define Thin Layer Chromatography? This is an improvement over paper chromatography and uses thin layers of slurried absorbents like silica gel, alumina, cellulose, Kieselguhr,

Define fatty acid synthesis, Fatty acid synthesis is the formation of fatty...

Fatty acid synthesis is the formation of fatty acids from malonyl-CoA and acetyl-CoA precursors by action of enzymes called as fatty acid synthases. It is a very significant part o

Evolution conditions, What are the five conditons that can cause evolution ...

What are the five conditons that can cause evolution to take place?

Production of organic material for the energetic metabolism, Q. How are bac...

Q. How are bacteria classified as per the production of organic material for the energetic metabolism? Most bacteria are heterotroph they do not produce their own food, there a

Give the introduction to congenital heart disease, Give the introduction to...

Give the introduction to Congenital Heart Disease ? The past 3 or 4 decades have witnessed a revolution in pediatric cardiac sciences. A number of conditions previously conside

Why the ph of urine can be quite variable, The ph of urine can be quite var...

The ph of urine can be quite variable. Why? Why is bromothymol blue used as a ph indicator instead of phenal red when titrating blood?

Define the role of protein and purines, Q. Define the Role of Protein and P...

Q. Define the Role of Protein and Purines? Cellular materials of plants, grams and legumes and animal glandular organ meats (liver, pancreas brain, kidneys) contain nucleoprote

Illustrate internal epithelium of the bowel, Q. Is the internal epithelium ...

Q. Is the internal epithelium of the bowel the alike as it was one month ago? The internal epithelial covering of the intestine acts as means of nutrient absorption and as prot

Informatics, Informatics  is the study of the application of computer and s...

Informatics  is the study of the application of computer and statistical techniques to the management of information. In the genome projects, informatics includes the development o

Signify the glands which are located at upper end of kidney, Part of the en...

Part of the endocrine system in humans, these 2 glands are small bodies located at upper end of every kidney. While these glands perform a range of functions, two of the most signi

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