Which cranial motor nuclei do parasympathetic efferents originate from
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Cranial nerves III, VII, IX, X-vagus
Note: ALSO originate from intermediolateral part of sacral cord
These are onion-shaped receptor cells located deep within the dermis
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Pacinian corpuscles
,A chemical secreted by a cell or group of cells into the blood for transport to a
distant target, where it exerts its effect at very low concentrations
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Hormone
What does the inner ear consist of? (2)
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Cochlea
Vestibular Apparatus
When the myofibril is at it's maximum tension without being allowed to
relax between AP signals, what is this known as?
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Fused/Complete tetanus
This is a term for sleep paralysis in which spinal motoneurons are hyperpolarized (up
to 10mV) and immobilized by the reticulospinal system in the pons -- occurs during
REM sleep
,Give this one a try later!
Sleep atonia
This type of fatigue prevents cell damage to the point where it can't effectively make
ATP anymore -- it decreases neurotransmitter release, decreases Ca2+ release from
the sarcoplasmic reticulum, etc.
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Peripheral fatigue
How does a mature (teritiary) follicle escape the ovum during ovulation (in-depth)
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During ovulation (Around day 14 of the menstrual cycle) a mature follicle
secretes collagenase (enzyme that dissolves collagen in the connective
tissue holding the follicular cells together) - the breakdown products of
collagen create an inflammatory reaction, attracting leukocytes that
secrete prostaglandins into the follicle which may cause smooth muscle
cells in the outer theca to contract, rupturing the follicle wall at its weakest
point - Antral fluid then spurts out along with the egg, which is surrounded
by two to three layers of granulosa cells - The egg is then swept into the
fallopian tube and carried away to be fertilized or die
What is the latent period of a muscle fibre action potential caused by?
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, All the intracellular activity that needs to happen (Eg. Calcium moving back
to sarcoplasmic reticulum, titin relaxing myofibril, etc.)
A single motor neuron can only innervate a single muscle fibre, hence there is a motor
neuron for ever muscle fibre in the body (True/False)
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False (A motor neuron can innervate numerous myofibrils [myofibril is an
actin-myosin complex])
This is when the electrical force across a membrane is equal to the chemical force
across a membrane and thus no net movement of ions across the membranes will
exist
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Equilibrium potential
This is a disease caused by an excess of aldosterone - can be a tumor in the adrenal
cortex - symptoms include [K+] depletion, [Na+] retention, weakness, hypertension,
polyuria (abnormally large volumes of dilute urine), and tetany (malfunction of
parathyroid glands)
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Conn's syndrome
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Cranial nerves III, VII, IX, X-vagus
Note: ALSO originate from intermediolateral part of sacral cord
These are onion-shaped receptor cells located deep within the dermis
Give this one a try later!
Pacinian corpuscles
,A chemical secreted by a cell or group of cells into the blood for transport to a
distant target, where it exerts its effect at very low concentrations
Give this one a try later!
Hormone
What does the inner ear consist of? (2)
Give this one a try later!
Cochlea
Vestibular Apparatus
When the myofibril is at it's maximum tension without being allowed to
relax between AP signals, what is this known as?
Give this one a try later!
Fused/Complete tetanus
This is a term for sleep paralysis in which spinal motoneurons are hyperpolarized (up
to 10mV) and immobilized by the reticulospinal system in the pons -- occurs during
REM sleep
,Give this one a try later!
Sleep atonia
This type of fatigue prevents cell damage to the point where it can't effectively make
ATP anymore -- it decreases neurotransmitter release, decreases Ca2+ release from
the sarcoplasmic reticulum, etc.
Give this one a try later!
Peripheral fatigue
How does a mature (teritiary) follicle escape the ovum during ovulation (in-depth)
Give this one a try later!
During ovulation (Around day 14 of the menstrual cycle) a mature follicle
secretes collagenase (enzyme that dissolves collagen in the connective
tissue holding the follicular cells together) - the breakdown products of
collagen create an inflammatory reaction, attracting leukocytes that
secrete prostaglandins into the follicle which may cause smooth muscle
cells in the outer theca to contract, rupturing the follicle wall at its weakest
point - Antral fluid then spurts out along with the egg, which is surrounded
by two to three layers of granulosa cells - The egg is then swept into the
fallopian tube and carried away to be fertilized or die
What is the latent period of a muscle fibre action potential caused by?
Give this one a try later!
, All the intracellular activity that needs to happen (Eg. Calcium moving back
to sarcoplasmic reticulum, titin relaxing myofibril, etc.)
A single motor neuron can only innervate a single muscle fibre, hence there is a motor
neuron for ever muscle fibre in the body (True/False)
Give this one a try later!
False (A motor neuron can innervate numerous myofibrils [myofibril is an
actin-myosin complex])
This is when the electrical force across a membrane is equal to the chemical force
across a membrane and thus no net movement of ions across the membranes will
exist
Give this one a try later!
Equilibrium potential
This is a disease caused by an excess of aldosterone - can be a tumor in the adrenal
cortex - symptoms include [K+] depletion, [Na+] retention, weakness, hypertension,
polyuria (abnormally large volumes of dilute urine), and tetany (malfunction of
parathyroid glands)
Give this one a try later!
Conn's syndrome
