Changes

Rats have highly developed accessory sex glands.  These produce a gelatinous copulatory plug, which is visible in the vagina post-mating and is thought to prevent semen leaking out.

Rats have highly developed accessory sex glands.  These produce a gelatinous copulatory plug, which is visible in the vagina post-mating and is thought to prevent semen leaking out.

* '''Seminal Vesicles''': Lie dorsolateral to the urinary bladder in contact with the rectum dorsally.   

 

** Large and lobated, opening into the lower end of the ductus deferens.

=== Seminal Vesicles ===

** Each is enclosed in a capsule together with the coagulating gland.

 

* '''Prostate Gland''': Bilateral and has three lobes: the dorsal, lateral and ventral.

* Lie dorsolateral to the urinary bladder in contact with the rectum dorsally.   

** Dorsal known is known as the '''Coagulating Gland'''.   

* Large and lobated, opening into the lower end of the ductus deferens.

*** Lies close to the seminal vesicle.

* Each is enclosed in a capsule together with the coagulating gland.

* '''Ampullary Glands''': The glands of the ductus deferens.

 

** Lie near the bladder.

=== Prostate Gland ===

* '''Bulbourethral Glands''': Found near the urethra as it exits the pelvis.

 

* '''Preputial Glands''': Lie in the subcutaneous fat near the penis and open into the prepuce.

* Bilateral and has three lobes: the dorsal, lateral and ventral.

** Sebacious glands that secrete a pheramone used for scent marking.

* Dorsal known is known as the '''Coagulating Gland'''.   

** Regress with age and fill with stagnant sebum.  

* Lies close to the seminal vesicle.

 

=== Ampullary Glands ===

 

* The glands of the ductus deferens.

* Lie near the bladder.

 

=== Bulbourethral Glands ===

 

* Found near the urethra as it exits the pelvis.

 

=== Preputial Glands ===

 

* Lie in the subcutaneous fat near the penis and open into the prepuce.

* Sebacious glands that secrete a pheramone used for scent marking.

* Regress with age and fill with stagnant sebum.

== Puberty and Sexual Maturity ==

== Puberty and Sexual Maturity ==