Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
18 Cards in this Set
- Front
- Back
|
ilioinguinal nerve
|
from L1 of lumbar plexus
enters inguinal canal by piercing muscles (transversus abs, internal obliques) NOT deep inguinal ring exits inguinal canal through superficial inguinal ring innervates scrotum/labia & anterior thigh |
|
|
genitofemoral nerve (genital branch)
|
from L1-L2
enters inguinal canal through deep inguinal ring and exits through superficial inguinal ring innervates cremasteric muscle & fasica (femoral nerve goes under canal) |
|
|
splanchnic nerves
|
autonomic - viseral motor
2 neuron system - synapse either in sym chain or viseral ganglia innervates smooth/cardiac mm, glands para & sym divisions |
|
|
sympathetic origin
|
thoracolumbar
T1-L2 |
|
|
parasympathetic origin
|
craniosacral
CN III, VII, IX, X S2,3,4 |
|
|
splanchnic HEART innervation
(spinal nerves, sym/para synapse) |
T1-T4
sympathetic chain/cardiac plexus *cervical sym cardiac nn move UP in chain *thoracic sym cardiac nn stay at SAME level in chain |
|
|
splanchnic TRACHEA/BRONCHI innervation
(spinal nerves, sym/para synapse) |
T1-T4
sym chain/pulmonary plexus |
|
|
splanchnic FOREGUT innervation
(spinal nerves, sym/para synapse) |
T5-T9
celiac ganglion/at organs Greater splanchnic nerve |
|
|
splanchnic MIDGUT/KIDNEY innervation
(spinal nerves, sym/para synapse) |
T10-T11
aoricorenal & superior mesenteric ganglion/at organs Lesser Thoracic splanchnic nerve Least thoracic splanchnic nerve |
|
|
splanchnic HINDGUT innervation
(sympathetic) |
L1-L2
synapse at inferior mesenteric ganglion lumbar splanchnic nerve |
|
|
splanchnic HINDGUT innervation
(parasympathetic) |
S2-S4
synapse at organs Pelvic splanchnic nerve |
|
|
splanchnic SUPRARENAL GLAND innervation
(spinal nerves, sympathetic synapse) |
T5-T8
synapse at organs where secretory cells of medulla are postganglionic sym neurons w/o axons/dendrites *suprarenal gland supplied directly by preganglionic sym neurons (no para) |
|
|
visceral sensory innervation from HEART
|
single neuron
pain - splanchnic nerve through sym chain to T1-T4 reflex - through vagus |
|
|
vagus nerve (CN X)
|
parasympathetic innervation for thorax/abdomen
|
|
|
lumbar plexus
|
ventral rami of L1-5
lies ant to transverse processess of lumbar verts within psoas mm |
|
|
greater thoracic splanchnic nerve
|
foregut
T5-9 |
|
|
lesser thoracic splanchnic nerver
|
midgut
T10-11 |
|
|
least thoracic splanchnic nerve
|
renal plexus
T12 |
