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

Bacteria anerobic respiration, how does the bacteria clostrium tetani respi...

how does the bacteria clostrium tetani respire anerobically

Identifications of a deficit by neuropsychological tests, Identifications o...

Identifications of a deficit by neuropsychological tests Ideometric approach and psychometric approach are the two methods that are used in the identification of deficits by ne

What is the window phase of an infection, Q. What is the window phase of an...

Q. What is the window phase of an infection? How is this concept important for the test of HIV infection in blood banks? The primary immune reply of the body facing any infecti

Explain tropical rain forests in biomes, Explain Tropical Rain Forests in b...

Explain Tropical Rain Forests in biomes? You probably are well aware of the danger that the world's rain forests are facing in terms of extinction! There are huge numbers of sp

Fast response - biological responses, Fast Response - Biological Responses ...

Fast Response - Biological Responses Some of the fast responses are discussed below: It was found that when mung bean root tips were kept in a specific solution (contain

Chronic respiratory disease (crd), C h r on i c respiratory disease (C...

C h r on i c respiratory disease (CRD) Infection with Mycoplasma gallisepticum is characterized by slow onset; CRD is seen in chickens, turkeys, and other birds. Ducks f

What is cholesterol, Q. What is Cholesterol? In its free, unesterified ...

Q. What is Cholesterol? In its free, unesterified form cholesterol is a major component (together with phospolipid) of cell membranes. Its presence helps to stabilize membrane

What is autologous transfusion, Question 1 What is autologous transfusi...

Question 1 What is autologous transfusion? Discuss how would you handle and prepare blood for autologous blood transfusion. List the advantages of autologous transfusion Qu

What are the main causes of mutation, Q. What are the main causes of Mutati...

Q. What are the main causes of Mutation? Some mutations take place randomly and spontaneously during process of mitosis or meiosis. Others are caused by mutagenic agents that a

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