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 interaction of folate with vitamin c, Define Interaction of Folate w...

Define Interaction of Folate with Vitamin C? Vitamin C: Anaemia is observed in vitamin C deficient patients. Normochromic, normocytic or macrocytic or megaloblastic ana

Organs involved in the digestion process, The various organs involved in...

The various organs involved in the digestion process are: Alimentary tract which includes mouth, pharynx, esophagus stomach, small intestine, large intestine, appendix, rec

How can you explain atp synthesis, Q. How in the respiratory chain do elect...

Q. How in the respiratory chain do electrons from NADH2 and FADH2 passing through cytochromes liberate energy for the ATP synthesis? What is this ATP synthesis called? NADH2and

What do you mean by osteichthyes and condrichthyes, Q. From which features ...

Q. From which features do osteichthyes and condrichthyes get these names? "Chondros" means cartilage, "ictis" means fish (both from the Greek) the name chondrichtians is for fi

Brodmann areas, One way that the cortex has been parcellated is based on fi...

One way that the cortex has been parcellated is based on fine-grained anatomical differences in the composition of the cortical layers: their thickness and types of neurons that ar

Which organ releases the female gamete under formation, Q. What is the orga...

Q. What is the organ that releases the female gamete under formation? How is this release triggered? What is the organ that collects the released gametes? The organ that libera

The principle of dna cloning, Assume an experimental target that is to make...

Assume an experimental target that is to make vast amounts of a particular DNA fragment in pure form from a combination of DNA fragments. Whereas the DNA fragments can be introduc

Define disadvantages of using yeast as a source of protein, Define Disadvan...

Define Disadvantages of using yeast as a source of protein? 1. Less protein yield (45-60%) 2. Growth rate is low (1-3 h) 3. High nucleic acid content leading to the forma

Two things that enter the cell for cellular respiration, What are two thing...

What are two things that enter the cell for cellular respiration? Carbohydrate molecules and oxygen enter the cell during cellular respiration.

Explain the prevalence of iron deficiency anaemia, Explain the Prevalence o...

Explain the Prevalence of iron deficiency anaemia? We can find out about the prevalence of anaemia if we know what percentage of population is suffering from anaemia. The WHO h

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages