1175 cards
Cell differentiation is when ____
____ is when a group of cells influence the fate of nearby cells
Induction is when a group of cells ____
____ is when the cell secretes a hormone or chemical messenger that binds to a receptor on itself
Autocrine signaling is when the cell secretes a hormone or chemical messenger that ____
____ signaling is when a cell produces a signal to induce changes in nearby cells
Paracrine signaling is when a cell produces a signal to ____
____ signaling is when a cell signals another cell that is directly adjacent or attached
Juxtacrine signaling is when a cell signals another cell that is ____
____ signaling releases signals into the bloodstream , which carries them to target cells in distant parts of the body
Endocrine signaling releases signals into the ____
A/an ____ is a hole or a small passage which allows fluid to move from one part of the body to another
A/an shunt is a ____
____ is a shunt that allows blood to bypass the fetal lungs .
Patent Foramen Ovule is a ____ that allows blood to bypass the fetal lungs .
Patent Foramen Ovule is a shunt that allows ____ .
The ____ is a shunt that allows blood from the right ventricle to bypass the fetus's non-functioning lungs
The Patent ductus arteriosus is a ____ that allows blood from the right ventricle to bypass the fetus's non-functioning lungs
The Patent ductus arteriosus is a shunt that allows ____
____ neurons ascend the spinal cord and carry sensory information to the brain, aka CNS
Afferent neurons ____ the spinal cord and carry sensory information to the brain, aka CNS
Afferent neurons ascend the spinal cord and carry ____
____ neurons exit the spinal cord and bring signals from the brain to the muscles and glands
Efferent neurons ____ the spinal cord and bring signals from the brain to the muscles and glands
Efferent neurons exit the spinal cord and bring signals from the ____
Neurons that transmit impulses between other neurons , especially as part of a reflex arc , are called ____.
Neurons that ____, are called interneurons.
When one presynaptic neuron(s) releases multiple neurotransmitters over a period of time and trigger an action potential, it is known as __…
When ____ presynaptic neuron(s) releases multiple neurotransmitters over a period of time and trigger an action potential, it is known as t…
When one presynaptic neuron(s) releases multiple neurotransmitters ____ and trigger an action potential, it is known as temporal summation.
When multiple presynaptic neuron(s) release neurotransmitters at the same time and trigger an action potential, it is known as ____
When presynaptic neuron(s) release neurotransmitters at the same time and trigger an action potential, it is known as spatial summation
When multiple presynaptic neuron(s) release neurotransmitters a____nd trigger an action potential, it is known as spatial summation
____ is the mechanism by which electrical signals travel through the nervous system.
Action potential is the mechanism by which ____travel through the nervous system.
The amplitude of an action potential is ____ of the amount of current that produced it.
The ____ of an action potential is independent of the amount of current that produced it.
Na + concentration is higher ____ the cell.
Na + concentration is ____ outside the cell.
K + concentration is higher ____ the cell
K + concentration is ____ inside the cell
A polarized membrane has an electrical ____ across the cell membrane.
A ____ has an electrical potential difference across the cell membrane.
When a membrane is depolariz ed , the membrane potential becomes more ____ compared to its resting potential.
When a membrane is depolariz ed , the ____.
When a membrane is ____ed , the membrane potential becomes more positive compared to its resting potential.
____ is an electrical potential difference between the inside and outside of a cell
Membrane potential is ____
The resting membrane potential (voltage) of a cell is approximately ____ mV
The ____ of a cell is approximately -70 mV
When the membrane potential is depolarized during an action potential, it reaches a peak of around ____ mV.
When the membrane potential is ____ during an action potential, it reaches a peak of around +40 mV.
Depolarization occurs when ____ ions flow in.
Depolarization occurs when Na + ions flow ____
____ occurs when Na + ions flow in.
Na + ions enter the cell through ____.
Repolarization occurs when ____ ions exit the neuron.
____ occurs when K + ions exit the neuron.
____ is when the membrane potential dips below the resting potential.
Hyperpolarization is when the membrane potential ____