Neurology Flashcards
Levels of Sacral Plexus
L4-S4
What are the levels of Superior Gluteal N. and what does it innervate?
L4-S1
Gluteus Medius M.
Gluteus Minimus M.
What are the levels of Inferior Gluteal N. and what does it innervate?
L5-S2
Gluteus Maximus M.
Where do the Anterior Scrotal N. and the Anterior Labial N. come from?
Ilioinguinal N. (L1)
Where does the Perineal Branch come from?
Posterior Femoral Cutaneous N.
What does the Deep Perineal N. innervate?
Superficial and Deep Transverse Perineal Ms. Ischiocavernosus M. Bulbospongiosus M. Vaginal Vestibule Inferiormost part of Vagina
What is the level of the Levator Ani?
S4
What are the levels for N. to the Coccygeus?
S4,5
What are the nerves contained within the Abdominal Sympathetic trunk?
Lumbar Splanchnic Ns
Inferior Mesenteric Ganglion
What are the nerves contained within the Sacral Sympathetic Trunk?
Sacral Splanchnic Ns
Rami Communicants
Ganglion Impar
The pelvic splanchnic Ns are what autonomic component of the pelvis and perineum?
Parasympathetic
The visceral sensory fibers of from the fundus and body of the uterus accompany what autonomic fibers of the uterovaginal plexus?
Sympathetic
Visceral sensory fibers from the cervix of the uterus and the upper majority of the vagina accompany what autonomic fibers of the uterovaginal plexus?
Parasympathetic
What do the Cavernous Ns. of the Uterovaginal Plexus provide autonomic innervation to?
Parasympathetic innervation to the bulbs of vestibule, clitoris, vestibular glands
What do the Cavernous Ns. of the Prostatic Plexus provide autonomic innervation to?
Parasympathetic innervation to Helicine arteries that supply erectile tissue