Chapter 11 Nervous System Part 2 Flashcards
Olfactory Nerve Roman Number & its Function
I (one)
-Sensory Nerve SN
Sense of smell
Oculomotor Nerve Roman Number & its Function
III (three)
Motor Nerve MN
-muscles of the eyeball
Trochlear Nerve Roman Number & its Function
IV (four)
Motor Neuron MN
-muscles of eyeball
+ it conducts motor impulses to fifth pair of external eye muscles
Abducens Nerve Roman Number & its Function
VI (six)
Motor Nerve MN
-External Eye movement
Vestibulocochlear Nerve Roman Number & its Function
VIII (eight)
Sensory Nerve SN
-Hearing and Equilibrium aka balance
Hypoglossal Nerve Roman Number & its Function
IIX (twelve)
Motor Nere MN
-Muscles of the Tongue
Accessory Nerve Roman Number & its Function
IX (eleven)
Motor Nerve MN
spinal accessory Cranial & Spinal Branch
Neck and Shoulders
-Cranial Branch: impulses to pharynx, larynx chewing?
-Spinal Branch: impulses to neck and back
Optic Nerve Roman Number & its Function
II (two)
-Sensory Nerve SN
-Vision
Trigeminal Nerve Roman Number & its Function
v (five)
Sensory Nerve SN
Facial sensation
Forehead, gums, teeth, jaw, lips
Facial Nerve Roman Number & its Function
VII (seven)
Mixed Nerve MiN
-Facial expression / movement
-taste
Glossopharyngeal Nerve Roman Number & its Function
IX (nine)
Mixed Nerve MiN
Tongue Pharynx, tonsils
aka back of tongue 1/3 thingy bs
Salivary Gland and Swallowing
Vagus Nerve Roman Number & its Function
X (ten)
Mixed Nerve MiN
Cranial Nerves that extend BEYOND Head & Neck
-Swallowing, talking, couching
-heart rate, digestion, glandular secretion
What is the meninges?
membranes that protect brain and spinal cord;
they lie between the bone and soft tissues of nervous system
aka the plastic wrap
Describe the THREE layers of the meninges
Superficial to Deep
Dura Mater: Most outer Layer
-Tough/dense
-Venous Drainage for blood to leave the brain
Arachnoid Mater
-Like a SPIDER Web suspends the brain in the skull
aka less jiggling
-less dense
Pia Matter: Deepest layer like SHRINK wrap
-HOLDS Blood Vessels and Nerves
-attached to BRAIN & SPINAL CORD
what is the Dura Mater in between?
Skull and Arachnoid Mater
What is the SUBarachnoid space?
The spake in the Arachnoid Mater that contain CEREBROspinal fluid
What is the Epidural Space
The space between the dura of the SPINAL cord and VERTEBRAL column
A shallow grave on brain
a. Sulci b. Gyri
Sulci
Ridges of the brain
a. Sulci b. Gyri
Gyri
What are the 2 main functions of the spinal cord?
Spinal reflexes and conduct impulses to and from the brain
What are fissures ?
Deep grooves in surface
The transverse fissure separates the ________ from ________
Cerebrum from Cerebellum
Wernekies area has to do with ?
Speech
Cutaneous Area has to do with ?
Sensations on SKIN
