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

Degradation of fats, Q. Explain Degradation of Fats? Fats are the este...

Q. Explain Degradation of Fats? Fats are the esters of glycerol and fatty acids and are called as 'glycerides'. Fats are susceptable to hydrolysis, oxidation and other che

Fusion of sperm and egg, Fusion of Sperm and the Egg After the penetr...

Fusion of Sperm and the Egg After the penetration of the extracellular layers by sperm there occurs the fusion of the - sperm plasma membrane with that of the egg. In mammals

Cardiac transplantation, For patients with end-stage heart failure, cardiac...

For patients with end-stage heart failure, cardiac transplantation has become a promising therapy especially with the advent of  immunosuppressive therapy and more careful screenin

What is the meaning of food exchanges, What is the meaning of Food Exchange...

What is the meaning of Food Exchanges Food exchanges mean grouping of foods in which the specified amount of all the food provides approximately equal amounts of carbohydrate,

Explain diet history and nutrient intake, Explain Diet history and nutrient...

Explain Diet history and nutrient intake Diet history  and  nutrient intake : This  is used  to evaluate diet for nutrient or food intake. Common methods used include the 24-h

Explain plain dwellers, Which two of the following changes (a - d) usually ...

Which two of the following changes (a - d) usually tend to occur in the plain dwellers when they move to high altitudes (3,500 m or more)? 1. Enhance in red blood cell size 2

Zoology, Protozoa general characters and classification

Protozoa general characters and classification

Importance of human milk for infant growth and development, Define the Impo...

Define the Importance of Human Milk for Infant Growth and Development? Let us now look at the value of human milk in promoting infant growth and development.  Success of lactat

What are gene chips, Question  Write a short note on the following 1 St...

Question  Write a short note on the following 1 Stem cells 2 Edible vaccines 3 Biologic Materials 4 Liposomes 5 What are gene chips? Explain any 4 applications of g

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