lecture exam 5
Terms
undefined, object
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- ____ nerve delivers basic sensory information about organs
- vagus
- cranial nerves from midbrain
- CN 3 and 4
- cranial nerves from pons
- CN 5-8
- cranial nerves from medulla oblongada
- CN 9-12
- prosencephalon (embryonic) devides into _____ and ____
- telencephalon (cerebrum) and diencephalon (thalamus, hypot, epithalamus, and subthalamus- optic nerve outgrowth)
- cerebrum funx:
- personality and motor funx
- longitudinal fissure between cerebrum
- falx cerebri
- cerebral cortex is composed of ____ matter
- gray (cell bodies)
- simioval center is composed of ______ matter
- white (axons and dendrites)
- cerebral hemispheres are connected by ______
- corpus collasum
-
-also known as the Island of Reil
- 5th lobe - insula
-
precentral gyrus:
located in the ____ lobe
aka ____ ____ _____
funx: -
-frontal lobe
-primary motor cortex
-voluntary skeletal muscle movement (pyramidal system) -
post central gyrus
Located in the ___ lobe
aka ___ ____ ___
funx: -
- parietal lobe
-primary somatosensory cortex
- percieve and locate general sensations -
Posterior aspect of superior temporal gyrus
aka ___ ___ or __ __ __
funx: -
-wernickes area or primary LANGUAGE cortex
- allows you to integrate language, writing, and comprehending language -
posterior area of frontal area
aka ____ ____ or __ ___ __ __
funx: -
- broca's area or primary motor speech area
- coordinate muscles to used to talk -
anterior region of frontal lobes
funx: - congition (book wise) and personality
-
occipital lobe
aka __ __ __
funx: -
- primary visual cortex
- vision -
superior temporal gyrus
aka: __ __
fnx: -
auditory cortex
hearing
(wernikes area located POST. sup. temporal gyrus) -
Dominant hemisphere ____
why:? -
left
-location of brocha's area = need comunication to survive -
basal ganglion
embrionic branch:
____ matter
3 groups -
- telencephalon (prosenceph)
-gray (deep in cerebral hemi's)
- corpus striatum
claustrum
amygdaloid nuclear complex -
corpus striatum (BG)
composed of: ____
____ : ___ and ___
funx:
Damage= -
- caudate nucleus
lentiform nuc.:putamen &
globus pallidus
-extrapyramidal system (IN-voluntary movement
- dyskinesia, tremor, change in muscle tone (hypertonicity, rigidity) -
claustrum (BG)
__ matter
location/ description -
-gray
- long narrow strip lateral to putimen -
amygdaloid nuclear complex (BG)
location
funx: -
- tip of caudate tail
-emotion -
basal ganglion
funx: -
extrapyramidal system: involuntary/ instinctive muscle control
ex: sports reflexes -
rhinencephalon
embryonic:
funx:
involved with ___ system (funx)
nerve outgrowth -
- telencephalon
- smell association
- limbic system (emotion &
expression)
- nerve: olfactory -
Diencephalon
embryonic branch of:
composed of: 4 __ and __ nerve -
-prosencephalon
- thalamus's and optic nerve -
thalamus
bilat. pieces connected by ___
____
composed of __ matter
funx: -
- interthalamic lesions
-gray (nuclei balls)
- sensory relay (except for smell)
some motor funx
pain processing -
Hypothalamus
separated from thalamus by _ _
connected to __ via __ -
hypothalmic sulcus
pituitary gland- infundibulum -
pituitary gland is protected by
____ and ___ -
-sella turcica
- diaphragmic sella - funx of hypothalamus
-
-influnce pituitary gland
-thirst control
-hunger control
-sexual behavior
-regulation of body temp.
-emotions: fear, hate, rage -
pituitary gland
aka __ - hypophysis
-
adenohypophysis (aka ___)
- use __ system to
distrubute hormones
- ___ control
- __-__ (# of hormones
produced) -
- anterior lobe of pituitary gland
-chemical control
-8-9 hormones -
neurohypophysis (aka __)
-# of hormones produced= ___
-____ control
- hormones produced __ & __ -
- POSTERIOR lobe of pituitary
-2
-neurologic control
-oxytocin & ADH (vasopressin) -
adenohypophysis
synthesise and ___ hormones - release hormones
-
neurophypophysis
NOT ___ factors - not releasing factors
-
epithalamus
contains ___ ___
hormone produced
funx: -
-pineal body
-melatonin
determines onset of puberty
incluences circadian rythems -
subthalamus
funx:
hemabolism: -
involuntary muscle movement (extrapyramidal system)
forceful extremeity movement on contralateral side, involuntary, usually due to stroke -
mesencephalon
aka ____ - midbrain
-
mesencephalon
Parts: ____
____: (x3) -
-tectum (dorsal)
- cerebral peduncle (ventral)
*substantia negra
* tegmentum
*crus cerebri -
tectum
aka ___ ___
forms 2 sup and infer. ___ -
quadrageminal plate
colliculi : visual and auditory -
cerebellum funx:
Embryonic branch of ___ -
- coordination of muscle activity (DOES NOT INITAIATE- Initiation by primary motor cortex)
-maintence of equilibrium
-maintence of muscle tone
rhombencephalon-metencephalon-cerebellum -
pons funx:
CN:
Embryonic branch of: -
-sleep center
-secondary respiratory center
-CN: 5-8
-rhomben-metenceph-pons -
myelencephalon
aka ___
funx:
embryonic branch of __ -
-medulla oblongada
-swallowing
vomiting
PRIMARY RESPIRATORY center
cardiovascular reflexes
viceral reflexes
- rhomben\ - polythelia:
- multiple nipples
- suspensory ligaments of cooper:
- suspensory ligaments in breast
- corpus mammae:
- bulb of breast
- blood flow to breasts
-
subclavian art -> internal thoracic art -> anterior intercostal artery
OR
Subclavian -> axillary -> lateral thoracic artery
(veins same, just reversed) -
bracheal plexus
origionates with __ & __ ventral roots - cervical 5-8 & thoracic 1