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

Self - medication, SELF - MEDICATION - Self medication refers to the us...

SELF - MEDICATION - Self medication refers to the use of medicines without consulting a physician. Self medication may be harmful, rather dangerous. It must be avoided. (i)

The structure of epithelium, what are the structures of epithelium

what are the structures of epithelium

Comparison to healthy lungs, The nature of the sounds produced by percussio...

The nature of the sounds produced by percussion (tapping) a patient's chest can tell a physician a great deal about the condition of the organs within the thoracic cavity. Healthy,

Explain pollen grains, Transfer of pollen grains from the anther to the sti...

Transfer of pollen grains from the anther to the stigma of another flower of the similar plant is known as? Geitonogamy

Measurement of nitrogenase activity, Measurement of Nitrogenase Activity ...

Measurement of Nitrogenase Activity There are various methods to find out whether an organism is a N 2 -fixer or not. If an organism can grow in normal atmosphere without any

Retention of soil moisture, Retention of Soil Moisture The movement of ...

Retention of Soil Moisture The movement of water into and within the soil, moisture storing capacity of soils and the availability of moisture to plants are governed by soil pr

Define the interaction of vitamin c with lead and mercury, Define the inter...

Define the interaction of vitamin c with lead and mercury? Vitamin C, lead and mercury: Iron alleviates lead toxicity but ascorbic acid is ineffective. Ascorbic acid alleviat

Define the mechanism of evolution, A few statements about the mechanism of ...

A few statements about the mechanism of evolution are made. Mark the correct statements. (i) Evolution happens at the individual level as well as population level. (ii

What concerns should alek''s healthcare, Nine-year-old Alek is admitted to ...

Nine-year-old Alek is admitted to the emergency room with a closed fracture of the right femur. Radiography revels that the fracture crosses the distal epiphyseal plate. What conce

How hormonal status affects the bmr, How Hormonal Status affects the bmr? ...

How Hormonal Status affects the bmr? Thyroid status may be most important factor and can make differences of up to plus or minus 50% for hyperthyroidism or hypothyroidism, resp

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages