Editing Normal Erectile Physiology (section)

== Questions ==

# Explain the physiology of an erection
# Why does the corpus spongiosum not become as rigid as the corpora cavernosae?
# Describe the autonomic innervation and somatic involved in erection?
# What is the main neurotransmitter involved in erection? Where is it released from? What is its function? What enzyme synthesizes it? Which enzyme subtype is responsible for initiation vs. maintenance of erection?
# What is the principal neurotransmitter involved in detumesence?
# Which phosphodiesterase subtypes are found in the corpus cavernosum? Which subtype is the main one mediating detumescence?
# What are the phases of detumescence?
# What are the 3 types of erection? Which is most likely preserved on a patient with upper spinal cord injury?