difficult midterm stuff dump Flashcards
aware of sensory info
sensation
understand sensory info
perception
law of specific energies
a given sensory receptor is specific for each modality
sensory unit
one afferent + all sensory receptors
change in stimuli to electrical conduction
transduction
where is the olfactor cortex
temporal lobe
nociceptors are part of ______ sensation
somatic or visceral
somatic
ASIC
acid sensing ion channels
pericardial layers of heart
fibrous pericardium
serous pericardium
serous pericardium layers
outer parietal layer
(pericardial space inbetween)
inner visceral layer (endothelium)
layers of heart wall
endothelium
myocardium
epithelium
layers of dura
periosteal dura
(dural sinuses)
meningeal dura
what type of afferent is the mechanical nociceptor
A delta
what type of afferent is the temperature nociceptor
A delta
what type of afferent is the polymodal nociceptor
C
first pain activates __ afferents that release ___ in the ______ in synapse with 2nd order neurons
A delta
glu
dorsal horn
which has smaller receptive fields, fast or slow pain
fast
ventrolateral spinothalamic pathway is for what modalities
nociception and temperature
ventrolateral spinothalamic pathway
synapse in dorsal horn- cross to anterolateral column - ascends in anterolateral column- synapses at thalamus- synapses at primary somatosensory cortex
referred pain is based on
convergence projection theory
sub P receptor
NK1
what peptides contribute to central sensitization
sub P and CGRP
NOS and PGE2 are what kind of agents
paracrine
3 effects of sub P and bradykinin on central senstization
phosphorylation
Ca2+ release
transcriptional effects
phosphorylation effects on central sensitization
- AMPA and NMDA more sensitive + time open longer
- AMPA let in Ca2+
- AMPA insertion
Ca2+ release effects on central sensitization
- NOS = paracrine = NO = Glu release increase
2. COX2 = PGE2 = paracrine = increased Glu release
transcription effects on central sensitization
- increased transcription of AMPA receptors
2. increased synthesis of COX2, NK1, and other proanalgesic proteins
disinhibition happens when
PGE2 inhibits the inhibitory effects of glycine on projection neuron
what is the difference in primary hyperalgesia and allodynia in the periphery
primary hyperalgesia = increased sensitivity of nociceptor
peripheral allodynia = decreased inhibition of nociceptors
what is the difference in primary hyperalgesia and allodynia in the CNS
hyperalgesia = sensitized nociceptor more responsive to nociceptors allodynia = sensitized nociceptor activated by inputs from A beta afferents
the cytoskeleton, microvilli, centrioles, flagella, and ribosomes are what organelles
nonmembraneous
4 parts of cell membrane
phospholipids
proteins
sterols
glycolipids
are glycolipids only found on one side of the PM or both
outer only
microvilli are MF or MT, what about cilia
MF
MT = cilia
centrosomes are 2 _____ made of 9 ____ triplets
2 centrioles
MT
cilia MT are arranged in a ___ array
9+2
some carrier proteins are called
exchange pumps
does the cytosol have a high concentration of proteins
yes
does the cytosol have lots of carbs
no
4 parts of the cytoskeleton
MF
IF
TF
MT
MF protein
actin
TF protein
myosin
main part of cytoskeleton
MT
4 types of tissues
epithelial
connective
muscle
nervous
inner lining of cornea, alveoli of lungs
simple squamous
what surface epithelial cells possess cilia
pseudostratified ciliated columnar epithelial
which one is secretion into ducts
exocrine
submandibular has what kind of secretions
mixed
group of cell bodies in CNS sharing a common function
center
what makes up the BBB
astrocytes
what forms scar tissue after injury
astrocytes
internode
myelinated nerve axon
what kind of channels are TRP
nonselective cationic
what results in parkinson’s
decrease in DA = increase in Glu signalling
basement membrane 2 parts
basal lamina
reticular lamina
what sinus does the falx cerebelli have
occipital
what is the pia anchord by
astrocytes
the percardial space is between the 2
serous pericardial layers- outer parietal and inner visceral
what is a bundle of projection fibers called
internal capsule
what are the L and R of the thalamus connected by
interthalamic adhesion
where are 5HT cell bodies found
brainstem
formation of GABA
glutamine - glutamate - GAMA
where are neuropeptides made and cleaved
made in soma or dendrites
cleaved in terminal
enkephalins have a role in
pain suppression
are epithelia innervated?
yes
serous gland contains ___ while mucous glands contain _____
enzymes (salivary amylase)
glycoproteins (mucins)
unicellular glands
mucous and goblet cells
myogenic meaning
contractile activity that originates from heart