midterm practical Flashcards
epidermis
most outer layer of the skin
-comprised of multiple layers
horny layer
outermost layerof epidermis
stratum germinativum
most deep layer of epidermis
-comprised of basal lamina and the spinous layer
dermis (derma)
middle layer of skin
-comprised of papillary and reticular layer
subcutis
subcutaneous layer
pacinian corpuscle
within subcutis layer, in between adipose cell’s
-onion appearing structure in image
sweat gland
white swirly glands within the dermis layer, goes up to epidermis
adipose cell
cells comprised of smaller appearing circles
-within subcutis
hair bulb
at the inferior medial point of the hair
hair cuticle
thin layer coming off of the hair bulb and up to the follicle
root of hair
the portion just before the hair shaft
sebaceous gland
glands that attach to the hair shaft
hair shaft
the portion of the hair that comes out through the epidermis
sweat pore
the entrance of the sweat gland at the layer of the epidermis
CN 1
on olfactory bulb/tract
CN 2
on optic foramen
-within thalamus
CN 3
through the superior orbital fissure
-superior midbrain
CN 4
superior orbital fissure
-inferior midbrain
CN 5
pons
-lateral bulge
CN 6
pons
-medial
CN 7
pons
-inferior
CN 8
pons
-superior above CN 7
CN 9
medulla
-inferior to 8
-superior peduncle
CN 10
medulla
-middle peduncle
CN 11
medulla
-inferior peduncle
CN 12
medulla
-medial middle portion
dura mater spinal cord
layer of spinal cord that can be differentiated from the rest of the cord
filum terminale
the terminal fiber/string
ventral root
nerve pathway leaving the ventral side
dorsal root
nerve pathway leaving the dorsal side
spinal nerves
a single nerve within the spinal cord
cervical enlargement
widened area of the upper spinal cord
brachial plexus
the nertwork of nerves that extends to the shoulder area
cauda equina
the lower portion of the vertebral column
lumbosacral enlargement
widened area of the lower spinal cord
lumbosacral plexus
the network of nerves that extends downward in the spinal cord
dorsal horn
posterior/dorsal side
-gray matter/cell bodies
ventral horn
anterior/ventral side
-gray matter/cell bodies
lateral horns
white matter
central canal
central portion that runs throughout
dorsal columns
white matter on the dorsal/posterior side
fasciculus gracilis
first section of white matter lateral to the dorsal median septum
-from lower limbs
fasiculus cuneatus
section of white matter lateral to the dorsal intermediate sulcus
-from upper limbs
dorsal media septum
what divides the dorsal white matter into two sections
dorsal intermediate sulcus
what divides the dorsal white matter two divisions into two further division
-within the dorsal median septum slice
lateral columns
white matter on the sides
ventral columns
white matter on the anterior/ventral side
ventral median fissure
what divides the ventral side into “two” sections
ventral white commissure
small pathway for neurons to travel in, between the median fissure and the beginning of the gray matter
lissauer’s tract
tract on the dorsal side leading to the dorsal horn’s
substantia gelatinosa
caps the horns
review reflex arc image
angular gyrus
below the end of the lateral sulcus
supramarginal gyrus
just above the end of the lateral sulcus
parieto-occipital sulcus
separates the parietal lobe from the occipital lobe
occipital pole
most posterior point of the occipital lobe
calcarine sulcus
main sulcus in occipital lobe
-V1 is around this
preoccipital notch
separates the occipital lobe from the temporal lobe
frontal operculum
area within the frontal lobe that will be moved when looking at the insula lobe
parietal operculum
area of the parietal lobe that will be moved when looking at the insula lobe
temporal operculum
area of the temporal lobe that will be moved when looking at the insula lobe
pituitary gland
the master gland on the undersurface of the brain
-“ball”
optic chiasm
midsagittal slice : tear drop shape section just above the pituitary gland
cingulate gyrus
main space of matter within the limbic lobe
cuneus gyrus
above the calcarine sulcus within occipital lobe
lingual gyrus
below the calcarine sulcus within the occipital lobe
pineal gland
hanging off the posterior commissure
posterior commissure
small ball at the end of the corpus callosum
anterior commissure
small ball at the anterior side of the corpus callosum
mammilary body
tucked within the brain, posterior to optic chiasm
-under brainstem
-2 little pearls
cerebellar peducles
between the cerebellum and pons-ish level
-superior, middle, and inferior
amygdala
anteromedial temporal lobe
-medial end of hippocampus
longitudinal fissure
divides the two hemispheres
lateral fissure
separates the temporal and frontal lobe
primary auditory cortex
heschl’s gyrus
-within fissure on temporal lobe
planum temporale
posterior to A1
corpus callosum
c shaped structure within the brain
-rostrum, genu, trunk, sullcus, and splenium
fornix
the smaller ‘c’ shaped structure under the corpus callosum
-connects the hippocampus from each hemisphere
thalamus
structure on top of the midbrain
-comprised of 2 thalami
basal ganglia
bridge between the thalamus and cerebrum
caudate nucleus
biggest portion of the basal ganglia circle
-head is near anterior portion of the lateral ventricles
putamen
lateral to internal capsule, boomerange shape almost
-more lateral then globus pallidus
globus pallidus
smaller discolored section just lateral to the internal capsule
-more medial than putamen
substantia nigra
lateral to 3rd ventricle and hypothalamus
-dark brain matter
hippocampus
comes off lateral portion of the bottom part of the internal capsule
-rolled within temporal lobe
internal capsule
ending of lateral ventricle to the end of the thalamus
-remember, it is where bundles squeeze through to go to corona radiata
corona radiata
white matter branching out to cortex from the thalamus
auditory radiations
fibers that are between the medial geniculate body and A1
lateral ventricles
wraps around the thalamus
-internally
anterior horn
anterior portion of lateral ventricle
collateral trigone lateral ventricle
where the horns meet
-on middle posterior ‘c’ curve
posterior horn
most posterior portion of the lateral ventricle
inferior horn
inferior and medial horn
septum pellucidum
space within the corpus callosum
-with sagittal slice it will be on one side
-what connects the corpus callosum
interventricular foramina of monro
from lateral ventricles to the third ventricle
3rd ventricle
the space between the two thalami
4th ventricle
posterior to pons and medulla
-comes off of the cerebral aqueduct
cerebral aqueduct
space posterior to the midbrain areas
-between the 3rd and 4th ventricle
choroid plexus
within pia layer and lines the ventricles
-remember it produces CSF
insula
interior lobe within opening of sylvian fissure
cerebellum
two ball like structure hanging off of the base of the brain
-posterior to the brainstem
vermis
medial portion of the cerebellum that connect the two sides
nodulus
towards the midline from the flocculus
flocculus
above tonsil
-if you follow this inward you will get to the nodulus
tonsil
the bump hanging off the cerebellum
arbor vitae
the branching nerve tissue within the cerebellum
cerebral peduncles
at the level of the midbrain
limbic lobe
lobe surrounding the corpus callosum
parahippocampal gyrus
within medial temporal lobe
-sagittal slice : follow limbic around to temporal lobe
-whole brain : most medial on temporal lobe
falx cerebri
area of dura that goes between hemispheres
pyramids of medulla
anterior portion of medulla, by the veins and behind sinus
falx cerebelli
ridge between the two hemispheres of the cerebellum
tentorium cerebelli
“tent” over cerebellum
superior sagittal sinus
gap within the falx cerebri
straight sinus
above the cerebellum
transverse sinus
within tentorium cerebelli at the back of the cerebellum
primordium of the eyes
most lateral (on left side) of the 5 main bumps
-elevated bump
primordium of the telencephalon
left side of the “nose of seahorse”
primordium of the nose
most medial portion of “the nose of the seahorse”
primordium of the upper jaw
to the right of the eye bump
-bulge right above crease of the “neck”
primordium of the diencephalon
left superior curve of shape
primordium or the mesencephalon
medial to the diencephalon
mandibular arch
the 1st brachial arch
-medial to upper jaw area
hyoid arch
2nd brachial arch
-top of the “stomach of seahorse”
-to the left of mandibular
3rd brachial arch
to the left of the hyoid arch
-ending of the main arch’s
primordium of vertebra
down the “spine of the seahorse”
-4th somite
primordium of the atriums
bigger bulge medial to the vertebra
upper (anterior) limb buds
just medial to the vertebra area
-at the slight curve of the shape
primordium of the liver
medial and inferior to the upper limb bud
primordium of the ventricle
medial and inferior to the atriums
lower (posterior) limb buds
bulge at the “tail end of the seahorse”
infundibulum
process that connects the pituitary gland to the brain