Anatomy - Male Repro System II Flashcards
By what structure is the scrotum divided?
Right and left by a medial ridge called, raphe.
Where is the scrotum located?
Below and behind the penis
Name the layers of the scrotum from without inwards.
Skin
Dartos muscle
External spermatic fascia
Cremasteric muscle and fascia
Internal spermatic fascia
Give the parts of the scrotum
Testes
Epididymis
Spermatic cord
What replaces the superficial fascia in the scrotum?
Dartos muscle
Signification in regulation of testicular thermoregulation
What are the arteries that supply the scrotum?
Superficial and deep pudenal artery
Scrotal branches of internal pudenal artery
Cremasteric
Through what nerve is the scrotum supplied?
Anterior - 1/3 - L1
Posterior - 2/3- S3
By what nerve is the dartos muscle supplied?
Genitofemoral nerve
What are the parts of the penis?
Root & body
To what is the root of the penis attached?
Urogenital diaphragm
Of what does the root of the penis comprise?
Right and left crus and bulb of penis
From what is the body of the penis suspended?
Suspended from pubic symphysis
Into what is the body of the penis divided?
Body
Glans penis
Neck
What are the ligaments of the penis?
Fundiform ligament
Suspensory ligament
By what arteries is the penis supplied?
Deep and dorsal arteries
Superior external pudenal artery
Arteries of the bulb
By what nerves is the sensory nerve supply to the penis?
Dorsal nerve of Penis
By what nerve is the motor innervation of the penis?
Pudendal nerve
Through what nerve do the autonomic nerves reach the penis?
Inferior hypogastric via the prostatic plexus
The mechanism of erection and ejaculation is controlled by what type of nerves?
Erection - parasympathetic
Ejaculation - sympathetic
Of what does the penis consist? (Microanatomy)
Corpus cavernosa
Corpus spongiosum
