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

In which bones can bone marrow chiefly be found, In which bones can bone ma...

In which bones can bone marrow chiefly be found? Is the bone marrow made of osseous tissue? Bone marrow can mostly be found in the internal cavities of flat bones, as the verte

Explain phylum sarcdina, Phylum Sarcdina 1) They move by means of pseud...

Phylum Sarcdina 1) They move by means of pseudopodia (ralse feet) or similar structures. 2) They feed heterotrophically by phagocytosis.   Some examples: Amoeba, Entamo

Mechanisms of different species of animal, Mechanisms of different species ...

Mechanisms of different species of animal In an animal when the need to change the focal power of the eye arises, different mechanisms are there in different species of animal

Explain the classification of malignant tumors, Explain the Classification ...

Explain the Classification of Malignant Tumors Malignant tumors can be classified as: Carcinomas: These tumors arise from the epithelial lining (the squamous cells) e.g. ski

Explain purpose of therapeutic dietary adaptations, Purpose  of  Therapeuti...

Purpose  of  Therapeutic Dietary Adaptations A therapeutic diet is a quantitative/ qualitative modified version of a basic nutritious diet which has been tailored to suit the c

Goat pox, Goat pox Goat-pox is common in occurrence, and its nature is ...

Goat pox Goat-pox is common in occurrence, and its nature is similar to sheep pox. The incubation period varies from 5 to 10 days. The disease tends to attack male kids and ewe

What are the main prophylactic measures against malaria, Q. What are the ma...

Q. What are the main prophylactic measures against malaria? The major preventive measures against malaria are the elimination of the treatment of infected people, vector mosqui

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

Bantham and hookers classification systeam, discribe tha bantham and hooker...

discribe tha bantham and hookers systeam of classification

Brain region that triggers the voluntary motor activity, Which is the brain...

Which is the brain region that receives conscious sensory information? Which is the brain region that triggers the voluntary motor activity? In the brain conscious sensory info

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