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 assessment of calcium status and calcium requirements, Define Assess...

Define Assessment of Calcium Status and Calcium Requirements? There is no biochemical indicator, which can clearly reflect calcium status. It has also been seen that in case of

Define resistant starch from the physiological perspective, Define Resistan...

Define Resistant Starch From the physiological perspective? RS is defined as the sum of starch and products of starch degradation not absorbed in the small intestine of healthy

Which are the major positive ions found in living beings, Q. Which are the ...

Q. Which are the major positive ions found in living beings? The major cations found in living beings are the calcium cation (Ca++), the potassium cation (K+), the sodium catio

Explain subclavian flap aortoplasty, Explain Subclavian Flap Aortoplasty ? ...

Explain Subclavian Flap Aortoplasty ? Initial steps are same as for resection and end-to-end anastomosis. After exposing a the entire length of intra thoracic segment of left s

Evaluate the texture of various foods, Q. Evaluate the texture of various f...

Q. Evaluate the texture of various foods? A number of instruments are available to evaluate the texture of various foods. Brief discussions on these instruments follow. Cons

What happens when the cell membrane ruptures, Explain what happens when the...

Explain what happens when the cell membrane or plasma membrane ruptures or breaks down? Ans) When cell membrane ruptures Ions leek out and unless repaired in time the cell will

Educate the mothers regarding prevention of diarrhoea, Educate the Mothers ...

Educate the Mothers Regarding Prevention of Diarrhoea   While working  in the diarrhoea clinic, ward or community, your major responsibility as a nurse is to educate mothers re

Protozoa, What are the disadvantages of protozoa

What are the disadvantages of protozoa

What is rhizopus - fungi, What is Rhizopus - Fungi? Rhizopus is a commo...

What is Rhizopus - Fungi? Rhizopus is a common laboratory contaminant. It is a spoiling mould and found frequently on the surface of bread, fruits and vegetables. It can grow 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