extraspectral colors
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evoked by only a few wavelengths like purple (we are seeing red and blue
cones more than green ones
Where is the retina located?
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The retina is along the back of the eye and contains the sense receptor
cells (rods and cones) that will receive the incoming light waves.
,How does CNS save energy?
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limiting communication between neurons
the energy supply to the CNS can support only a low rate of firing like in
cortex it permits an average rate per cell of just one spike every 6seconds
At any moment there is only 4% of neurons firing because communication is
expensive so CNS has to use it sparingly
Hormones in the early to mid follicular phase?
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GnRH stimulates LH and FSH
LH stimulates androgens in the theca cells
FSH stimulates estrogen in the granulosa cells
estrogen stimulates the granulosa cells even more to make more estrogen
and estrogen also inhibits FSH and GnRH as it doesn't need them anymore,
its making them on its own
what are the conditions to produce sperm?
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, produced in the testis
optimal temperature at around 35 degrees(3 to 2 degrees below body
temperate)
Takes around 64 days to make
200 million are made per day
they further mature in the epididymis
reflectance
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The reflectance of a surface is its tendency to reflect certain wavelengths
of light and absorb others, e.g. a yellow banana reflects yellow light more
than other wavelengths; a green banana reflects green.
The reflectance of an object carries information about it, e.g. about
ripeness.
How are thyroid hormones made?
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Thyroglobulin (enzyme) is made from protein synthesis by the thyroid
follicles
Iodine is imported making iodide by a symporter
the thyroglobulin is then secreted into the colloid and the iodide is also
secreted by the pendrin transporter
thyroid peroxidases attach the thyroglobulin and iodide together to make
T3 and T4
, T3 and T4 are sent back into the follicles and then the T3 and T4 attached to
the thyroglobulin are cleaved and leave the follicles into circulation to be
used as thyroid hormones
tricromats
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normal color vision having only sense of the three color
red green and blue
follicular phase
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First 14 days of your period, where the primary follicles become secondary,
oocyte and mature follicles and get ovulated
the antral fluid contains estrogens and enzymes (happens in the tertiary
follicle)
one dominant follicles is selected from one ovary and the remaining ones
die through atresia
the one that gets fertilizes ruptures and then gets ovulated out
how can we get a retinal image that is both bright and in focus?
Give this one a try later!
Give this one a try later!
evoked by only a few wavelengths like purple (we are seeing red and blue
cones more than green ones
Where is the retina located?
Give this one a try later!
The retina is along the back of the eye and contains the sense receptor
cells (rods and cones) that will receive the incoming light waves.
,How does CNS save energy?
Give this one a try later!
limiting communication between neurons
the energy supply to the CNS can support only a low rate of firing like in
cortex it permits an average rate per cell of just one spike every 6seconds
At any moment there is only 4% of neurons firing because communication is
expensive so CNS has to use it sparingly
Hormones in the early to mid follicular phase?
Give this one a try later!
GnRH stimulates LH and FSH
LH stimulates androgens in the theca cells
FSH stimulates estrogen in the granulosa cells
estrogen stimulates the granulosa cells even more to make more estrogen
and estrogen also inhibits FSH and GnRH as it doesn't need them anymore,
its making them on its own
what are the conditions to produce sperm?
Give this one a try later!
, produced in the testis
optimal temperature at around 35 degrees(3 to 2 degrees below body
temperate)
Takes around 64 days to make
200 million are made per day
they further mature in the epididymis
reflectance
Give this one a try later!
The reflectance of a surface is its tendency to reflect certain wavelengths
of light and absorb others, e.g. a yellow banana reflects yellow light more
than other wavelengths; a green banana reflects green.
The reflectance of an object carries information about it, e.g. about
ripeness.
How are thyroid hormones made?
Give this one a try later!
Thyroglobulin (enzyme) is made from protein synthesis by the thyroid
follicles
Iodine is imported making iodide by a symporter
the thyroglobulin is then secreted into the colloid and the iodide is also
secreted by the pendrin transporter
thyroid peroxidases attach the thyroglobulin and iodide together to make
T3 and T4
, T3 and T4 are sent back into the follicles and then the T3 and T4 attached to
the thyroglobulin are cleaved and leave the follicles into circulation to be
used as thyroid hormones
tricromats
Give this one a try later!
normal color vision having only sense of the three color
red green and blue
follicular phase
Give this one a try later!
First 14 days of your period, where the primary follicles become secondary,
oocyte and mature follicles and get ovulated
the antral fluid contains estrogens and enzymes (happens in the tertiary
follicle)
one dominant follicles is selected from one ovary and the remaining ones
die through atresia
the one that gets fertilizes ruptures and then gets ovulated out
how can we get a retinal image that is both bright and in focus?
Give this one a try later!
