Male reproductive system - urethera, Biology

Assignment Help:

URETHRA -

It is common duct as sperms & urine both pass from it.
It receives juices of prostatic gland & cowper's gland.
Urethra is 20 cm long, passes through the penis, it's lumen is star shaped.
It has 3 regions -

(i) A short proximal prostatic urethra surround by prostate gland.

(ii) A very short middle membranous urethra without any covering.

(iii) A long distal penial urethra.

Urethra has 2 sphintors. Internal sphincter is of smooth muscle fibres at its beginning.
External sphinctor is of straited muscle fibres around its membranous part.

Related Discussions:- Male reproductive system - urethera

What is the main theory opposed to evolution?, What is the main theory oppo...

What is the main theory opposed to evolution? The major theory that opposes the evolution theory on the explanation of how species emerged (phylogenesis) is fixism.

Eye colour, what factor''s do i colour depend on?

what factor''s do i colour depend on?

Cat assay, CAT assay is an enzyme assay. CAT stands for the chloramphenico...

CAT assay is an enzyme assay. CAT stands for the chloramphenicol acetyl transferase, a bacterial enzyme which inactivates the chloramphenicol by acetylating it. CAT assays are man

Characteristic of callus, Characteristic of Callus The most important ...

Characteristic of Callus The most important characteristic of callus from a functional view point is that abnormal growth has the potential to develop normal roots, shoots and

Determine about the klove grooved pegboard test, Determine about the Klove ...

Determine about the Klove Grooved Pegboard Test The subject must place pegs shaped like keys into a board having recesses that are oriented in randomly varying directions. The

What do energy pyramids represent, Q. What do energy pyramids represent? ...

Q. What do energy pyramids represent? The Energy pyramids represent the amount of accessible energy in each trophic level of the food chain.

Show the important groups of bacteria, Q. Show the important groups of bact...

Q. Show the important groups of bacteria? The important groups of bacteria are: a) Bacillus: rod-shaped. b) Coccus: spherical. c) Coccobacillus: oval-shaped. d)

Initiation of development - development biology, Initiation of Development ...

Initiation of Development - Development Biology We know that the various events collectively called the activation programme. These events are directly related to the formatio

Explain lock and key model, Fischer 's template or lock and key model ...

Fischer 's template or lock and key model According to this model, the catalytic site of the enzyme has a proper conformation compatible to a specific substrate even in the a

What is the vector of chagas disease, What is the vector of Chagas' disease...

What is the vector of Chagas' disease? How is the disease transmitted? The vector of Chagas' disease is its middle host, a triatomine bug. The major species is Triatoma infesta

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages