Doctors like to call it phymosis. However this condition can be easily fixed by prepuce stretching exercises.
The prepuce is a tubular sheet of skin which covers the free part of the penis. It is attached to the lower outside abdominal wall.The prepuce acts as a protective, moist covering for the dog's penis, because the prepuce is moist it can produce a thick, lubricating substance called smegma, smegma acts as an antibacterial substance therefore keeps the glans penis and the penis clean, it also acts as a lubricant. The prepuce only completely covers the penis when it isn't erect.
constriction
Either by constriction or venom.
No. Venom requires energy and constriction requires energy also. So, the strategy of the constrictor is to save energy for other tasks and having venom as well as constriction would be wasteful and sometime evolutionary forces are not too wasteful.
Male sheep have penises which they use for mating. When you apply some pressure with your hand at the rear prepuce, the penis will protrude.
The technical term for prepuce is foreskin. The prepuce, also called the clitoral hood, is mainly erogenous tissue that is needed for normal sexual function.
centromere is the primary constriction and constriction other than primary constriction is called secondary constriction. it is useful in the recognition of a chromosome from the set.
"Dinnertime" constriction
The prepuce is a tubular sheet of skin which covers the free part of the penis. It is attached to the lower outside abdominal wall.The prepuce acts as a protective, moist covering for the dog's penis, because the prepuce is moist it can produce a thick, lubricating substance called smegma, smegma acts as an antibacterial substance therefore keeps the glans penis and the penis clean, it also acts as a lubricant. The prepuce only completely covers the penis when it isn't erect.
furrowing
constriction
yes
The prepuce surrounds the uncircumcised glans penis of the human male. It is more commonly referred to as the foreskin.
constriction is one part of the thermometer that has like a hill
peristalsis
Vascular tone
Angina