Spot test practice Flashcards
Which parts of the nervous system is involved in erection?
Parasympathetic.
Which parts of the nervous system are involved in ejaculation (detumescence)?
Sympathetic nervous system.
Which ejaculatory ducts open into the colliculus seminalis?
— Ductus deferentes (L&R)
— Vesicular glands (L&R)
— Ducts join on each side to form two very short trunks which immediately form the paired L&R exit slits on the c.s.
What is special about the blood supply to the
equine penis?
Also has external pudendal artery and branch of obturator artery.
What structures go through the deep inguinal ring in the male?
— Ductus deferens, testicular a&v, testicular lymphatics,
genitofemoral nerve, external pudendal a&v.
Which body wall muscle is the cremaster muscle a part of?
The internal abdominal oblique.
What is the function of the head of the epididymus?
Head collects spermatozoa from the rete testis.
What is the function of the body and tail of the epididymus?
body and tail allow time for the
spermatozoa to mature, plus act as overflow storage
What does the crura of ischiocavernosus enclose?
the corpus cavernosae
What does the bulbospongiosus enclose?
corpus spongiosus and urethra
What should be used with care in stallions with regards to does the retractor penis muscle?
ACP as it can cause priapism
What is the function of the bulbospongiosus?
Propels semen during ejaculation.
What other accessory gland ducts would you
expect to find opening into the pelvic urethra?
• Prostatic (multiple openings)
• Bulbourethral (internal ducts coalesce to a pair of
ducts)
Describe what ¡s meant by “emission”?
Production of seminal fluids into urethra prior to
eaculation
What kind of fluid is contained in the vaginal tunic?
Peritoneal fluid.
