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

Explain about the term- therapeutic, Explain about the term- Therapeutic ...

Explain about the term- Therapeutic Therapeutic approaches that scientists are pursuing include transplanting cells to replace those which are damaged or using growth factors

Into which classes is the phylum annelida divided, Q. Into which classes is...

Q. Into which classes is the phylum Annelida divided? The phylum is divided into three classes: hirudineans (e.g., leeches), oligochaetes (for example, earthworms) and polychae

Explain protein, What is protein? 1) Protein is a source of backup ener...

What is protein? 1) Protein is a source of backup energy that your body keeps, a large difficult molecule made up of one or more chains of amino acids. Proteins perform a wide

Streptococcal antibody test, In about 80 per cent of ARF patients, ASO titr...

In about 80 per cent of ARF patients, ASO titre is significantly raised. ASO titres vary with age, geographical area and other fevers, which influence frequency of streptococcal in

Define the elements that affects the fitness, Define the elements that affe...

Define the elements that affects the Fitness? Fitness varies from a person to person. It is influenced by age, sex, heredity, personal habits, exercise and eating practices. Th

Explain light in cell metabolism, Explain Light in cell Metabolism? Ene...

Explain Light in cell Metabolism? Energy for almost all organisms on earth is derived directly or indirectly from light energy produced by the sun. Sunlight consists of energy

Mutualist exploration of cellulose digestion, Q. What is meant by "mutualis...

Q. What is meant by "mutualist exploration of cellulose digestion", a phenomenon that occurs in some mammals and insects? Herbivorous animals eat great amounts of cellulose a s

What is constitutional unit of proteins, Q. What is constitutional unit of ...

Q. What is constitutional unit of proteins? The constitutional units of proteins are the amino acids.

What is the significance of immunogenicity, Problem: Explain the proced...

Problem: Explain the procedure for import of cosmetics in US. - Briefly explain the procedure for import of cosmetics in US What are the major points to be considered whe

Explain the soft tissue management, Soft tissue Management The periimpl...

Soft tissue Management The periimplant soft tissue is very critical in the aesthetic zone. The handling of the tissue during surgery to minimize trauma, the preservation of ker

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