Study sets matching "a & p chapter 14"

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Study sets matching "a & p chapter 14"

50 terms
A&P Chapter 14
Ampulla
Aqueous humor
Basilar membrane
Cerebral peduncles
in the ear, the structure at the base of a semicircular canal…
watery fluid that fills the anterior chamber containing the c…
in the ear, the floor of the cochlear duct on which the organ…
segments of the descending motor pathway that make up the whi…
Ampulla
in the ear, the structure at the base of a semicircular canal…
Aqueous humor
watery fluid that fills the anterior chamber containing the c…
A&P Chapter 14
pet scans and brain function
pet scan readings
xrays and brain function
dural sinus
radioactive or metabolically active substance is injected... as…
more metabolically active tissue turns bright (cancer?)... damag…
dense tissue (tumors) appear white
place where the space between the periosteal and meningeal du…
pet scans and brain function
radioactive or metabolically active substance is injected... as…
pet scan readings
more metabolically active tissue turns bright (cancer?)... damag…
A & P- Chapter 14
What are the protections to the brain?
What are the principal parts of the br…
What is the overall function of the br…
What are the functions of the medulla…
Bones (cranial)... Meninges (cranial)... Fluids (cerebrospinal flui…
cerebrum: limbic system, basal nuclei, cerebral cortex... Dience…
reticular formation; reticular activating system (RAS) which…
the pyramids= where motor tracts pass thru & decussation (mot…
What are the protections to the brain?
Bones (cranial)... Meninges (cranial)... Fluids (cerebrospinal flui…
What are the principal parts of the br…
cerebrum: limbic system, basal nuclei, cerebral cortex... Dience…
17 terms
Chapter 14: A & P
Somatic Nerves
Autonomic Nervous System
Somatic Effector Organs
Autonomic Effector Organs
One motor neuron
- involuntary branch of nervous system... - Consists of motor ne…
Skeletal Muscle
Smooth muscle, cardiac muscle & glands
Somatic Nerves
One motor neuron
Autonomic Nervous System
- involuntary branch of nervous system... - Consists of motor ne…
158 terms
A&P Chapter 14
Rostral
Cerebrum
Cerebellum
Medulla
toward the nose
Area of the brain responsible for all voluntary activities of…
A large structure of the hindbrain that controls fine motor s…
Base of brainstem; controls heartbeat and breathing
Rostral
toward the nose
Cerebrum
Area of the brain responsible for all voluntary activities of…
20 terms
Chapter 14 A&P
lateral ventricle ... fourth ventricle ... f…
Aqueduct of midbrain
subarachnoid space ... dura mater (NOT)... *…
Arachnoid granulation
Identify the structure labeled 7... WRONG
Identify the structure labeled 3
Identify the structure labeled 9... WRONG
Identify the structure labeled 8
lateral ventricle ... fourth ventricle ... f…
Identify the structure labeled 7... WRONG
Aqueduct of midbrain
Identify the structure labeled 3
42 terms
A&P Chapter 14
how do SNS and ANS differ?
SNS effectors
ANS effectors
SNS efferent pathways and ganglia
1. effectors... 2. efferent pathways and ganglia ... 3. target orga…
stimulates skeletal muscles
innervates Cardiac Muscles, ... Smooth Muscles,... Glands, & ... Viscera
motor neuron cell bodies in CNS ... spinal or cranial nerves all…
how do SNS and ANS differ?
1. effectors... 2. efferent pathways and ganglia ... 3. target orga…
SNS effectors
stimulates skeletal muscles
71 terms
A&P - Chapter 14
2 basic groups of sensation
general senses
somatic general sense
visceral general sense
1. general senses... 2. special senses
receptors distributed over large part of the body
body and environment (touch, pressure, temperature, proprioce…
internal organs (pain and pressure)
2 basic groups of sensation
1. general senses... 2. special senses
general senses
receptors distributed over large part of the body
158 terms
A&P Chapter 14
Rostral
Cerebrum
Cerebellum
Medulla
toward the nose
Area of the brain responsible for all voluntary activities of…
A large structure of the hindbrain that controls fine motor s…
Base of brainstem; controls heartbeat and breathing
Rostral
toward the nose
Cerebrum
Area of the brain responsible for all voluntary activities of…
18 terms
Chapter 14 A&P
Dural Folds
dural sinuses
Falx cerebri (dural fold)
Tentorium cerebelli (dural folds)
folded inner layer of dura mater...extend into cranial cavity…
collecting veins in dural folds
Dural Folds
folded inner layer of dura mater...extend into cranial cavity…
dural sinuses
collecting veins in dural folds
A&P Chapter 14: Brain and Cranial Nerves
Adult human brain
1. Cerebrum... 2. Cerebellum... 3. Diencepha…
Cerebrum
Medial longitudinal fissure
Contains 97% of body's neural tissue, weighs about 3 lbs, and…
What are the six regions of the brain?
Largest brain region that controls higher functioning, consci…
Divides cerebrum into left and right hemispheres and each hem…
Adult human brain
Contains 97% of body's neural tissue, weighs about 3 lbs, and…
1. Cerebrum... 2. Cerebellum... 3. Diencepha…
What are the six regions of the brain?
78 terms
A & p chapter 14
There are _____ pairs of cranial nerve…
In the brain, the dura mater splits in…
In between those two layers is the
What does this dural sinus do?
12 total... 10 originate in brain
1. Periosteal layer- closest to skull... 2. Meninges layer- clos…
Duralsinus (superior Saggital sinus)
Return CSF back to blood... -it acts like a vein
There are _____ pairs of cranial nerve…
12 total... 10 originate in brain
In the brain, the dura mater splits in…
1. Periosteal layer- closest to skull... 2. Meninges layer- clos…
14 terms
A&P Chapter 14
gyrus
sulcus
fissure
rostral
thick, raised fold
shallow groove
deep groove ... ex: long. fissure
front half of brain
gyrus
thick, raised fold
sulcus
shallow groove
91 terms
Chapter 14 A&P
Brain Stem
Cerebellum
Diencephalon
Cerebrum
Part of the brain that is continuous with the spinal cord and…
Part of the brain that is posterior to the brain stem. Contro…
Part of the brain that is superior to the brain stem. Include…
Part of the brain that is supported on the diencephalon and b…
Brain Stem
Part of the brain that is continuous with the spinal cord and…
Cerebellum
Part of the brain that is posterior to the brain stem. Contro…
20 terms
Chapter 14 A&P
motor endings
How do axon terminals exert information?
Neurotransmitter Acetylcholine (ACh)
Endplate Potential
the PNS elements that actives effectors by releasing neurontr…
A single muscle fiber reaches its target and the endings spli…
This neurotransmitter is in the axon terminals and is release…
This describes the process Na+ entering the cell than K+ leav…
motor endings
the PNS elements that actives effectors by releasing neurontr…
How do axon terminals exert information?
A single muscle fiber reaches its target and the endings spli…
45 terms
A&P Chapter 14
perimysium
fascicle
sarcomere
fiber
connective tissue ensheathing a bundle of muscle cells
Bundle of muscle cells.
contractile unit of muscle
a muscle cell
perimysium
connective tissue ensheathing a bundle of muscle cells
fascicle
Bundle of muscle cells.
32 terms
A&P 1: Chapter 14
Autonomic neuron
Preganglionic nueron
Postganglionic neuron
Visceral effector organs
release 2 major neutransmitters: acetylcholine (ACh) & norepi…
The 1st of the two motor nuerons in any autonomic motor pathway
lies entirely outside the CNS, its cell body and dendrites ar…
parasympathetic ganglia located in the
Autonomic neuron
release 2 major neutransmitters: acetylcholine (ACh) & norepi…
Preganglionic nueron
The 1st of the two motor nuerons in any autonomic motor pathway
A&P Chapter 14
Olfactory Nerve
Optic
Oculomotor
Trochlear
Smell; CN 1
Eyes; CN 2
Eye movement; CN 3
Eye movement; CN 4
Olfactory Nerve
Smell; CN 1
Optic
Eyes; CN 2
153 terms
A&P chapter 14
Afterload
Aorta
Aortic valve
Artery
Physical resistance presented by the artery the ventricle is…
Major artery of the systemic circulation that receives blood…
Semilunar valve; separates the left ventricle and the aorta
Carries blood away from the heart
Afterload
Physical resistance presented by the artery the ventricle is…
Aorta
Major artery of the systemic circulation that receives blood…
64 terms
chapter 14 a&p
Conus medullaris
Cervical enlargement
Lumbosacral enlargement
Cauda equine
the tapering inferior end of the spinal cord. The end of the…
an enlarged region of the inferior cervical part of the spina…
An enlarged region of the mid-lumbar part of the spinal cord.…
These nerve roots resemble a horse's tail
Conus medullaris
the tapering inferior end of the spinal cord. The end of the…
Cervical enlargement
an enlarged region of the inferior cervical part of the spina…
Saladin A&P Chapter 14
Meninges of the Brain
4 internal chambers of the brain
largest most rostral ventricle that fo…
tiny pore that connects each lateral v…
ventricles
lateral ventricles
interventricular foramen
Meninges of the Brain
4 internal chambers of the brain
ventricles
179 terms
A&P Chapter 14-Cardiac
arteries
veins
capillaries
pulmonary... systematic
___ carry blood away from the heart
___ carry blood toward the heart
____ form the transition between arteries and veins
The cardiovascular system is divided into two parts: the ____…
arteries
___ carry blood away from the heart
veins
___ carry blood toward the heart
Saladin A&P Chapter 14
Meninges of the Brain
4 internal chambers of the brain
largest most rostral ventricle that fo…
tiny pore that connects each lateral v…
ventricles
lateral ventricles
interventricular foramen
Meninges of the Brain
4 internal chambers of the brain
ventricles
A&P Chapter 14
Frontal Lobes
Three Primary Brain Vesicles
Encephalization
Telencephalon
are associated with higher executive functions such as self c…
are formed during the first 3 weeks of gestation, the human e…
The first and 3rd vesicles further divide forming 5 secondary…
Cerebrum
Frontal Lobes
are associated with higher executive functions such as self c…
Three Primary Brain Vesicles
are formed during the first 3 weeks of gestation, the human e…
chapter 14 a&p
six regions of brain
cerebrum
cerebellum
diencephalon
Cerebrum... Cerebellum... Diencephalon... Midbrain... Pons... Medulla oblong…
Largest part of brain, associated with higher order functioni…
Control of finely coordinated movements. Coordination center,…
Contains thalamus and hypothalamus
six regions of brain
Cerebrum... Cerebellum... Diencephalon... Midbrain... Pons... Medulla oblong…
cerebrum
Largest part of brain, associated with higher order functioni…
57 terms
Chapter 14 A&P 1
Rostral
Caudal
Brain weighs
Cerebrum
toward the forehead
toward the spinal cord
about 1,600 g (3.5 lb) in men, and 1,450 g in women
is 83% of brain volume; cerebral hemispheres, gyri and sulci,…
Rostral
toward the forehead
Caudal
toward the spinal cord
Saladin A&P Chapter 14
Meninges of the Brain
4 internal chambers of the brain
largest most rostral ventricle that fo…
tiny pore that connects each lateral v…
ventricles
lateral ventricles
interventricular foramen
Meninges of the Brain
4 internal chambers of the brain
ventricles
130 terms
A&P Chapter 14
B. Cervical - thoracic - lumbar - sacr…
D. 16-18 inches long
D. the thoracic vertebrae.
C. coccygeal
What is the correct order for the parts of the spinal cord, f…
A typical spinal cord in an adult is ... A. 24-26 inches long ... B…
In adults, the spinal cord is a different length than the ver…
The inferior tip of the spinal cord is the ___________ part.…
B. Cervical - thoracic - lumbar - sacr…
What is the correct order for the parts of the spinal cord, f…
D. 16-18 inches long
A typical spinal cord in an adult is ... A. 24-26 inches long ... B…
A&P Chapter 14
-Gyri... -Sulci... -Fissures
-Periosteal layer: fused with perioste…
Help to stabilize the brain
Cushioning... Support... Transport of nutrie…
In the brain...... -Elevated ridges... -Shallow depressions ... -Deepe…
What are the inner layers of the dura mater?
What is the function of the meninges?
What are the functions of the cerebrospinal fluid?
-Gyri... -Sulci... -Fissures
In the brain...... -Elevated ridges... -Shallow depressions ... -Deepe…
-Periosteal layer: fused with perioste…
What are the inner layers of the dura mater?
19 terms
A&P chapter 14
conscious... skeletal... without
unconscious
Activate... Inhibit... Excitatory
visceral... hypothalamus
Introduction:... -Somatic Nervous System (SNS)... -Operates under…
"Your conscious thoughts, plans and actions represent a tiny…
Effects of ANS and SNS:... -ANS... -_______ effectors... -______ eff…
ANS Regulation:... Regulated by reflexes... -Step 1 -Sensory signal…
conscious... skeletal... without
Introduction:... -Somatic Nervous System (SNS)... -Operates under…
unconscious
"Your conscious thoughts, plans and actions represent a tiny…
A&P Chapter 14
Cerebrum
Cerebral Hemisphere
Cortex
Neural Crest
83% of the brains volume and consists of a pair of half globes.
Half globes of the Cerebrum.
Surface layer over the cerebrum and the cerebellum.
Longitudinal column on each side of the brain.
Cerebrum
83% of the brains volume and consists of a pair of half globes.
Cerebral Hemisphere
Half globes of the Cerebrum.
55 terms
Chapter 14 A&P
motor neurons
parasympathetic and sympathetic
sympathetic division
decrease
innervates cardiac and smooth muscle, glands and adipose tissue
divisions of autonomic nervous system
prepares body for heightened levels of somatic activity; acti…
urinary and digestive systems __________ in the sympathetic d…
motor neurons
innervates cardiac and smooth muscle, glands and adipose tissue
parasympathetic and sympathetic
divisions of autonomic nervous system
68 terms
Chapter 14 A&P
rostral... caudal
Cerebrum... (big brain)
Cerebellum... (little brain)
Brainstem
toward the forehead--anterior... toward the spinal cord--posteri…
83% of brain volume, cerebral hemispheres, gyri & sulci, long…
50% of neurons; 2nd largest brain region, located in posterio…
portion that remains, extends to meet spinal cord... includes di…
rostral... caudal
toward the forehead--anterior... toward the spinal cord--posteri…
Cerebrum... (big brain)
83% of brain volume, cerebral hemispheres, gyri & sulci, long…
A&P Chapter 14
tension
muscle
muscle tissue
muscle fibers (myofibers, muscle cells)
a muscle's pulling force
an organ consisting mostly of muscle tissue made up to cells…
made up of cells called muscle fibers
make up muscle tissue... have the ability to generate tension th…
tension
a muscle's pulling force
muscle
an organ consisting mostly of muscle tissue made up to cells…
42 terms
A&P: Chapter 14
dural fold
choroid plexus
blood brain
blood CSF
stabilize and support the brain. contain collecting veins
specialized cells lining ventricles that produce CSF
barrier that is epithelial cell tight junctions maintained by…
barrier maintained by choroid plexus cells
dural fold
stabilize and support the brain. contain collecting veins
choroid plexus
specialized cells lining ventricles that produce CSF
Chapter 14 A&P
cranial dura mater
falx cerebri
falx cerebelli
tentorium cerebelli
2 layers
separates right and left cerebral hemisphere
separates right and left cerebellum
seperates cerebrum from cerebellum
cranial dura mater
2 layers
falx cerebri
separates right and left cerebral hemisphere
A & P Chapter 14
Decussation
pons
midbrain
cerebellum
results in neurons in the left cerebral cortex controlling sk…
-It relays nerve impulses related to voluntary skeletal movem…
conveys motor impulses from the cerebrum to the cerebellum an…
functions in the coordination of skeletal muscle contractions…
Decussation
results in neurons in the left cerebral cortex controlling sk…
pons
-It relays nerve impulses related to voluntary skeletal movem…
Chapter 14 A & P
Cerebrum
Cerebellum
Brainstem
Physical protection
83% of brain volume
second largest brain region
the portion of the brain that remains if the cerebrum and cer…
Bones of the cranium... Cranial meninges... Cerebrospinal fluid
Cerebrum
83% of brain volume
Cerebellum
second largest brain region
A&P Chapter 14
Rostral
Caudal
Brain weighs about ______ in men
Brain weighs about _____ in women
toward the forehead
toward the spinal cord
1,600 g (3.5 lb)
1,450 g
Rostral
toward the forehead
Caudal
toward the spinal cord
12 terms
A&P chapter 14
agglutin
bil
crit
embol
to glue together
bile
to seperate
stopper
agglutin
to glue together
bil
bile
11 terms
Chapter 14 A&P
Autonomic neuron system
Parasympathetic
Sympathetic
Divisions
Governs homeostasis, simulates smooth and cardiac muscle and…
Preganglionic fibers originate at opposite ends of CNS
Innervates more areas than parasympathetic division, controls…
Parasympathetic and sympathetic
Autonomic neuron system
Governs homeostasis, simulates smooth and cardiac muscle and…
Parasympathetic
Preganglionic fibers originate at opposite ends of CNS
101 terms
A&P Chapter 14
CNS (6 aspects)
rostral
caudal
major parts of brain
-brian... -hindbrain and midbrain ... -forebrain... -higher forebrain…
towards forehead
toward spinal cord
cerebrum... cerebellum... brainstem
CNS (6 aspects)
-brian... -hindbrain and midbrain ... -forebrain... -higher forebrain…
rostral
towards forehead
12 terms
Chapter 14 A&P
Olfactory Nerve
Optic Nerve
Oculomotor
Trochlear nerve
Roman numeral l... Sensory ... Function: smell
Roman numeral ll... Sensory ... Vision
Roman numeral lll ... Motor... Eye movement and constriction of pupil
Roman numeral lV ... Motor ... Eye movements
Olfactory Nerve
Roman numeral l... Sensory ... Function: smell
Optic Nerve
Roman numeral ll... Sensory ... Vision
A & P Chapter 14: Brain
Brain
cerebrum
diencephalon
cerebellum
the 3rd largest organ in the body, weighs 3 pounds
Brain
the 3rd largest organ in the body, weighs 3 pounds
cerebrum
64 terms
Mastering A&P Chapter 14 Cardiovascular Physiology
Cardiovascular System is composed of...
The Heart is technically how many pumps
Substances transported by the cardiova…
Materials entering the body from _____…
1. Heart... -4 chambers; 2 pumps... 2. Blood Vessels... -Veins, arteri…
2, the atria and the ventricles are each considered a pump si…
1. Substances from the external environment:... -nutrients, wate…
Oxygen enters from the lungs and goes to all cells... Nutrients…
Cardiovascular System is composed of...
1. Heart... -4 chambers; 2 pumps... 2. Blood Vessels... -Veins, arteri…
The Heart is technically how many pumps
2, the atria and the ventricles are each considered a pump si…
70 terms
A&P Chapter 14
Telencephalon
diencephalon
mesencephalon
metencephalon
cerebrum and lateral ventricles
thalamus, hypothalamus, epithalamus, and third ventricle
midbrain and aqueduct of the midbrain
pons, cerebellum, and upper part of the fourth ventricle
Telencephalon
cerebrum and lateral ventricles
diencephalon
thalamus, hypothalamus, epithalamus, and third ventricle
A&P Chapter 14
Parasympathetic
Sympathetic
Neostigmine
antidepressants
Nerves that exit from the brain and the sacral region of the…
Nerves that exit from the thoracic and lumbar regions of the…
Medication used to treat myasthenia gravis; inhibits breakdow…
Medication that prolongs norepinephrine activity; side effect…
Parasympathetic
Nerves that exit from the brain and the sacral region of the…
Sympathetic
Nerves that exit from the thoracic and lumbar regions of the…
A&P Chapter 14
ectoderm
midbrain and aqueduct of the midbrain
telencephalon and diencephalon
telencephalon
the brain and spinal cord arise from?
the mesencephalon gives rise to?
the precencephalon divided into?
develops into the cerebrum and lateral ventricles.
ectoderm
the brain and spinal cord arise from?
midbrain and aqueduct of the midbrain
the mesencephalon gives rise to?
26 terms
Chapter 14 A&P
Conus medullaris
Cervical enlargement
Cauda equina
Filum terminale
the tapering inferior end of the spinal cord; the official en…
an enlarged region of the inferior cervical part of the spina…
the collective nerve roots of L2-L5, S1-S5 that form at the e…
a thin strand of pai mater, found in the cauda equina, that h…
Conus medullaris
the tapering inferior end of the spinal cord; the official en…
Cervical enlargement
an enlarged region of the inferior cervical part of the spina…
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