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

Define nutritional requirements for young and older children, Define Nutrit...

Define Nutritional requirements for Young and Older Children? Young children need 3 en%, which would be easily met from 8-10 g of oil. However, more visible oil is needed to im

What is the meaning of chelicifore, What is the meaning of Chelicifore? ...

What is the meaning of Chelicifore? These feeding mouthparts are found on most, pycnogonads. Though the proboscis is the main feeding structure in these animals when chelicifor

Define role of polyunsaturated fatty acids - gene expression, Define Role o...

Define Role of polyunsaturated fatty acids - Gene Expression? In contrast, polyunsaturated fatty acids (PUFA) inhibit G6PD in both intact animals and in primary hepatocytes in

Endomitosis, #questwhy and where endomitosis happens?ion..

#questwhy and where endomitosis happens?ion..

The mitochondria contain their own dna, Why do you think the mitochondria c...

Why do you think the mitochondria contain their own DNA (circular) and have a double membrane?

Measurement and evaluation of food texture, Q. Measurement and Evaluation o...

Q. Measurement and Evaluation of Food Texture? Kinesthetic characteristics deal with the sense of feel, just like the characteristics of appearance deal with the sense of sight

PLASMODIUM LIFE CYCLE, elucidate a life cycle of a plasmodium that causes m...

elucidate a life cycle of a plasmodium that causes malaria

What is the tree girdling, What is the tree girdling? What happens to the p...

What is the tree girdling? What happens to the plant when that girdle is removed from the stem (below the branches)? Tree girdling or Malpighi's girdling is the removal from a

Munch pressure flow model, Munch Pressure Flow Model Munch, a German p...

Munch Pressure Flow Model Munch, a German plant physiologist, proposed in 1930, a simple physical model which can be tested in the laboratory for the mechanism of phloem trans

What is elongation cycle , At the starting of the first round of elon...

At the starting of the first round of elongation, the initiation codon (AUG) is positioned in the P site with fMet-tRNAfMet bound to it by codon-anticodon base pairing.  In The nex

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