Anat QII:QIV Word Scramble
|
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Question | Answer |
master control and communication system | nervous system |
Two Divisions of the central nervous system (CNS) | brain and spinal cord |
2 divisions of the peripheral nervous system (PNS) | cranial nerves and spinal nerves |
how many pairs of cranial nerves | 12 |
how many pairs of spinal nerves | 31 |
signals move toward the CNS-2 terms | sensory or afferent signals |
signals are carried away from the CNS-2 terms | motor or efferent signals |
cell type which transmits electrical signals | neurons |
excitable cell type | neurons |
cell type which surround and wrap neurons | supporting cells |
nonexcitable cell type | supporting cells |
name the 3 main parts of a neuron | cell body, axon, dendrites |
extensive branching portion of a neuron, function as receivers | dendrites |
nerve fiber portion of a neuron, transmits impulses away from the cell body | axon |
cordlike organs in the Peripheral nervous system | nerves |
layer of delicate connective tissue surrounding a nerve axon | endoneurium |
groups of nerve axons bound into bundles | nerve fascicle |
connective tissue wrapping surrounding a nerve fascicle | perineurium |
whole nerve is surrounded by a tough fibrous sheath called | epineurium |
directional term meaning toward the nose | rostral |
directional term meaning toward the tail | caudal |
another name for the cerebral hemispheres | cerebrum |
3 parts of the diencephalon | thalamus, hypothalamus, epithalamus |
3 parts of the brain stem | midbrain, pons, medulla oblongata |
4 regions of the brain as a whole | cerebral hemispheres, diencephalon, brain stem, cerebellum |
where is cerebrospinal fluid produced? | in the choroid plexuses |
expansions of the brain's central cavity filled with cerebrospinal fluid | ventricles |
deep grooves which separate the major regions of the brain | fissures |
fissure which separates the cerebrum and cerebellum | transverse fissure |
fissure which separates the two cerebral hemispheres | longitudinal fissure |
grooves on the surface of the cerebral hemispheres | sulci |
the twisted ridges between the cerebral sulci | gyri |
sulcus which separates the frontal and parietal lobes | central sulcus |
sulcus which separates the occipital from the parietal lobe | parieto-occipital sulcus |
sulcus which separates the temporal lobe from the parietal and frontal lobes | lateral sulcus |
lobe found deep within the lateral sulcus | insula |
gray matter, external layer of the cerebral hemispheres | cerebral cortex |
matter deep to the cerebral cortex | cerebral white matter |
found deep within the cerebral white matter, 3 terms | deep gray matter, basal ganglia, basal nuclei |
type of tract found in white matter: allows communication between right and left cerebral hemispheres | commisures |
the largest commisure | corpus callosum |
tract in cerebral white matter which connects different parts of the same hemisphere | association fibers |
tract in cerebral white matter which run vertically between the cerebral hemispheres and the brain stem and spinal cord | projection fibers |
brain part which forms the center core of the forebrain, surrounded by the cerebral hemispheres | diencephalon |
part of the diencephalon: the gateway to the cerebral cortex | thalamus |
part of the diencephalon: main visceral control center of the body | hypothalamus |
part of the diencephalon: includes the pineal gland | epithalamus |
endocrine gland which secretes the hormone melatonin (regulates sleep-wake cycle): found where? | pineal gland, found in the epithalamus of the diencephalon |
parts of the brain stem from rostral to caudal: | midbrain, pons, medulla oblongata |
cranial nerves I and II attach to the underside of the: | cerebrum |
cranial nerves III-XII attach where? | brain stem |
located dorsal to the pons and medulla oblongata, this brain part smooths and coordinates body movements and helps maintain equilibrium | cerebellum |
protective layer covers the CNS and encloses the vessels that supply it | meninges |
3 layers in order of depth of the meninges | dura mater, arachnoid mater, pia mater |
True or False: the spinal cord has two layers of dura mater | false |
brain protection which prevents most blood-borne toxins from entering the brain, but not an absolute barrier | blood-brain barrier |
inferior tapered end of the spinal cord | conus medullaris |
long filament of connective tissue attaching the spinal cord to the coccyx inferiorly | filum terminale |
origin for the spinal nerves that innervate the upper extremitites | cervical enlargement |
origin for the spinal nerves that innervate the lower extremities | lumbar enlargement |
collection of nerve roots inferiorly on the spinal cord | cauda equina |
lateral projection on the spinal cord anchoring the cord to the vertebrae | denticulate ligaments |
cranial nerve I | olfactory |
olfactory nerve function | smell |
cranial nerve II | optic |
optic nerve function | sight |
cranial nerve III | oculomotor |
nerve controlling four of the extrinsic eye muscles | oculomotor |
cranial nerve IV | trochlear nerve |
nerve controlling an extrinsic eye muscle | trochlear nerve |
cranial nerve V | trigeminal nerve |
nerve providing sensory innervation to the face, motor innervation of the chewing muscles-3 primary branches: opthalmic, maxillary, mandibular | trigeminal nerve |
cranial nerve VI | abducens nerve |
nerve which abducts the eyeball | abducens nerve |
cranial nerve VII | facial nerve |
nerve which innervates muscles of facial expression | facial nerve |
cranial nerve VIII | vestibulocochlear nerve |
sensory nerve of hearing and balance | vestibulocochlear nerve |
cranial nerve IX | glosspharyngeal nerve |
nerve which innervates structures of the tongue and pharynx | glosspharyngeal nerve |
cranial nerve X | vagus nerve |
mixed sensory and motor nerve which wanders into the thorax and abdomen | vagus nerve |
cranial nerve XI | accessory nerve |
accessory part of the vagus nerve | accessory nerve |
cranial nerve XII | hypoglossal nerve |
nerve which innervates the tongue muscles | hypoglossal nerve |
how many pairs of cervical nerves | 8 |
how many pairs of thoracic nerves | 12 |
how many pairs of lumbar nerves | 5 |
how many pairs of sacral nerves | 5 |
how many pairs of coccygeal nerves | 1 |
motorvisceral division of the peripheral nervous system also called the involuntary nervous system | autonomic nervous system |
resting and digesting portion of the autonomic nervous system | parasympathetic |
fight flight and fright response portion the the autonomic nervous system | sympathetic |
ventricle opening: between the lateral ventricles and the thrid ventricle (connects the lateral ventricles with the third ventricle) | foramen of monro |
another name for the foramen of monro | interventricular foramen |
ventricle opening: lies between the thrid and fourth ventricle (connects the third and fourth ventricle) | aqueduct of sylvius |
another name for the aqueduct of sylvius | cerebral aqueduct |
connects the ventricles with the subarachnoid space, allows the cerebrospinal fluid to bathe the entire central nervous system (2-lateral and medial) | medial= foramen of magendie, lateral= foramen of luschke |
Created by:
amyziolkowski
Popular Anatomy sets