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

Photosynthesis., what carbohydrates does a plant make from glucose

what carbohydrates does a plant make from glucose

State in brief about the alexander luria, State in brief about the alexande...

State in brief about the alexander Luria Luria adopted or developed these items over the course of many years, Christensen published them in English but without standardisatio

What are the symptoms associated with campylobacteriosis, What are the symp...

What are the symptoms and foods associated with campylobacteriosis?  Campylobacteriosis incubation period: 2-5 days after ingestion of contaminated food.  Symptoms: Diarrhoe

Renewable energy sources, Capacity to do work is known as energy. It is ver...

Capacity to do work is known as energy. It is very important input for all our activities like cooking food, driving vehicle and running industries. The most important challenge th

What is mendels second law, What is Mendel's second law? Mendel's seco...

What is Mendel's second law? Mendel's second law postulates that two or more different traits are also conditioned by two or more pair of dissimilar factors and that each inhe

Name the alpha-islet cells of the pancreas, Person X is a healthy human who...

Person X is a healthy human who has volunteered to take experimental drug Y.  Person X has a normal dinner at 6 PM on April 1 and then does not eat for 12 hours.  At 5 PM on A

Ciguatera fish poisoning, Q. Explain Ciguatera Fish Poisoning? Ciguater...

Q. Explain Ciguatera Fish Poisoning? Ciguatera probably represents the most common cause of poisoning from fish in tropics. Ciguatera comprises over 50% of all reported case

Define st elevation in avr, Q. Define ST Elevation in aVR? Lead aVR oft...

Q. Define ST Elevation in aVR? Lead aVR often develops ST elevation as a reciprocal of ST depression in lead V2 to V6 or leads 2 and 3. It may occasionally show ST elevation in

Tanco beans plant, what are the origin, morphology, active constituents, us...

what are the origin, morphology, active constituents, uses and market preparation of tanco beans

Phosphorylation, Phosphorylation is the addition of the phosphate monoeste...

Phosphorylation is the addition of the phosphate monoester to a macromolecule, catalyzed by a particular kinase enzyme. With respect to the proteins, particular amino acid side ch

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