Type
Crossword
Description

Maintenance of the blood brain barrier. Astrocytes
Produces CSF Ependymal Cells
Phagocytosis of pathogens and debris in the brain Microglia
Production of myelin Oligodendrocytes
Outermost layer of the meninges surrounding and protecting the brain/spinal cord Dura Mater
Innermost layer. Direct contact with spinal cord. Relatively tight bond. Pia Mater
Intermediate layer. Characterized by spider web arrangement of collagen fibers. Arachnoid Mater
Carry information TO the brain and spinal cord afferent nerves
Carry information AWAY from brain and spinal cord to muscles efferent nerves
Originate from the spine. 31 pairs that carry impulses to and from spine Spinal Nerves
Originate from brain stem. 12 pairs that control functions in the head and neck Cranial Nerves
Produce myelin in the PNS Schwann Cells
Composed of thalamus and hypothalamus diencephalon
similar to astrocytes. Function in structural support, absorb excess ions, and toxins satellite cells

Anatomy: The Nervous System Crossword

Type
Crossword
Description

Lobe; language, speech FRONTAL
Eliminates wastes from neurons in CNS MICROGLIAL
The sensory neuron AFFERENT
Lobe; auditory, olfactory (smell) TEMPORAL
Shapes and supports neuron CELL BODY
Part of the brain that controls blood pressure, heart rate, swallowing MEDULLA
Diencephalon; hormones, body temp, water balance, metabolism HYPOTHALAMUS
Forms myelin sheath in CNS OLIGODENDROCYTE
Forms myelin sheath in PNS SCHWANN
Part of the brain that controls balance CEREBELLUM
Impulses in between afferent and efferent neurons INTERNEURON
Blood-brain barrier in CNS ASTROCYTE
Slows down cardiac in PNS PARASYMPATHETIC
Lobe; vision OCCIPITAL
Involuntary in PNS; cardiac & smooth muscles AUTONOMIC
Forms myelin to support neurons in PNS SATELLITE
Lobe; sensory, taste PARIETAL
Receives message from neurons DENDRITE
Speeds up cardiac in PNS SYMPATHETIC
Wraps around axon MYELIN SHEATH
The motor neuron EFFERENT
Sends message to neurons AXON
Part of the brain that controls breathing only PONS
Voluntary in PNS; skeletal muscles SOMATIC
Cushions neuron in CNS EPENDYMAL

Ch. 9 Anatomy Vocab Crossword

Type
Crossword
Description

nerve cells neurons
information in the form of electro. chemical changes nerve impulses
rounded area on neurons cell body
extension of cell body that receive electro. chemical messages dendrites
extensions that send electro chemical info. axons
nervous tissue that provides physical support, insulation, and nutrients neuroglia
consists of brain and spinal cord CNS
composed of nerves and connects the CNS to other body parts PNS
gather info. by detecting changes inside and outside the body sensory receptors
include muscles and glands whose actions are controlled or modified nerve impulses effectors
controls skeletal muscle somatic nervous system
mixture of proteins and lipids that form a white-ish insulating sheet around nerve fibers myelin
support neurons and phagocytize bacterial cells microglial
provide myelin sheath around axons in the brain and spinal cord oligodendrocytes
provide structural support, join parts by their cellular processes, and regulate concentrations of nutrients and ions astrocytes
form an epithelial like membrane that covers specialized brain parts and form inner linings that enclose spaces in the brain ependymal
produce a myelin sheath around axons of neurons schwann cells
a network of fine threads that form the cell body of a neuron neurofibrils
sheath that surrounds the myelin sheath neurolemma
narrow gaps between schwann cells nodes of ranvier
type of neuron that has many processes arising from their cell body (1 axon, the rest dendrites) multipolar neurons
type of neuron that have 2 processes, one arising from each of the cell body (1 axon, 1 dendrite) bipolar
type of neuron that have single processes extending from cell body that divide into 2 branches (peripheral process ad central process) unipolar
(afferent neurons) transmit nerve impulses from peripheral body parts into brain or spinal cord sensory neurons
(assosciation neuron) found entirely within the brain or spinal cord and transmit impulses from one part of the brain or spinal cord to another interneurons
(efferent neurons) transmit impulses out of the brain or spinal cord to effectors; control muscle contraction and secretions of glands motor neurons
junction between two communicating neurons synapse
potential difference between the region outside the membrane and inside the membrane resting potential

The Nervous System Crossword

Type
Crossword
Description

Cells that transmit impulses Neurons
Short branch extensions that carry impulses towards the cell body Dendrites
Long fiber that carries impulses away from cell body Axon
Contained in sacs in axon terminals; released to cause stimulus in the next cell; chemicals Neurotransmitters
Relays messages, processes information, and analyzes information. Central nervous system
Connects brain to the spinal cord; Controls involuntary actions. Brain Stem
Controls reflexes; Carries signals from brain to the body Spinal cord
Second largest part of the brain; Located at the back of the skull; Coordinates balance and movement. Cerebellum
Largest part of the brain; Responsible for voluntary and educated actions; Located in 2 different lobes. Cerebrum
Fatty insulated sheath that surrounds all but the smallest nerve fibers. Myelin sheath
a bundle of fibers running to organs and tissues in the body. nerve

Central Nervous System Crossword

Type
Crossword
Description

nerve impulse, membrane potential of an active neuron Action potential
in a neuron, the single process that extends from the axon hillock and transmits impulses away from the cell body Axon
division of the nervous system composed of the brain and spinal cord Central nervous system
branching or tree-like nerve cell process that receives input from other neurons and transmits impulses toward the cell body (or toward the axon in unipolar neurons) Dendrite
nonexciteable supporting cells of nervous tissue; formerly called neruoglia glia
difference in electrical charge between inside and outside of the plasma membrane membrane potential
lipoprotein substance in the myelin sheath around many nerve fibers that contribute to high speed conductivity of impulses myelin
bundle nerve fibers, plus surrounding connective tissue, located outside the brain and spinal cord nerve
nerve cell, including its processes (axons and dendrites) neuron
nerves connecting the brain and spinal cord to other parts of the body peripheral nervous system
impulse conduction route to and from the central nervous system; smallest portion of nervous system that can receive a stimulus and generate a response reflex arc
membrane-to-membrane junction between a neuron and another neuron, effector cell, or sensory cell; function to propagate action potential synapse
part of the brain containing the midbrain, pons, and medulla oblongata brainstem
second largest part of the human brain; plays an essential role in the production of normal movements cerebellum
plasma-like fluid that fills the subarachnoid space in the brain and spinal cord and in the cerebral ventricles cerebrospinal fluid
largest and uppermost part of the human brain that controls consciousness, memory, sensations, emotions, and voluntary movements cerebrum
“between” brain; parts of the brain between cerebral hemispheres and the mesencephalon, or midbrain diencephalon
graphic representation of voltage changes in the brain tissue used to evaluate nerve tissue function electroencephalogram
important autonomic and neuroendocrine control center located inferior to the thalamus in the brain hypothalamus
parts of the brain involved in emotions and sense of smell; plays key role in coupling sensory inputs to short- and long-term memory; consists of the hippocampus, the hypothalamus and several other structures limbic system
fluid-containing membranes surrounding the brain and spinal cord meninges
located in the medulla where bits of gray and white matter mix intricately, this structure is involved in regulating input from sensory neurons, arousal, and motor control Reticular formation
mass of gray matter located in diencephalon just above the hypothalamus; helps produce sensations, associates sensations with emotions, and plays a part in the arousal mechanism thalamus
a cavity, such as the large, fluid-filled spaces within the brain or the chambers of the heart ventricle

The Nervous System Crossword

Type
Crossword
Description

brain and spinal corn cns
made up of nerve cells that send messages between the central nervous system and other parts of the body pns
nerve cells that run through our entire bodies and they communicate with each other neurons
produces energy that fuels the neurons activity cell body
branches out of the cells body and receives information from other neurons and pass the message through the cell body dendrites
transmits messages away from the cell body axon
a white fatty substance that insulates and protects the axon myelin
the smaller fibers branching out at the end of the axon axon terminals
a junction between the axon terminals of one neuron and the dendrites of another synapse
chemicals that are stored in sacs in the axon terminals neurotransmitters
a column of nerves about as thick as a thumb that extends from the brain down the back spinal cord
transmits sensory messages to the central nervous system sns
regulates the body's vital function, such as heartbeat, breathing, digestion, and blood pressure ans

Biology Nervous System Crossword

Type
Crossword
Description

An electrochemical pulse that moves long the membrane of a neuron Nerve impulse
The protective coverings of the brain and spinal cord Meninges
The brain region that receives general sensations and relays impulses to a parietal lobe Thalamus
The region of the brain that controls involuntary activities Hypothalamus
Part of the neuron that receives nerve impulses and transmits them toward the cell body Dendrite
The series of neurons that produces a single reaction in response to a stimulus Reflex arc
The white fatty membrane that protects the neuron Myelin Sheath
The part of the nervous system consisting of the brain and spinal cord Central Nervous System
The part of the neuron with the greatest diameter; contains the nucleus Cell Body
The junction between the axon and dendrite Synapse
The part of the brain containing motor and sensory centers: controls voluntary movement Cerebrum
Part of the brain that monitors and adjusts body activities Cerebellum
The gray matter of the cerebrum Cerebral Cortex
Part of the brain; Relay center between spinal cord and brain; reflex center Medulla oblongata
A rounded portion of the lower brain that relays information from one side of th brain to the other Pons
The nervous tissue that conducts messages between the brain and the peripheral body parts Spinal cord
The functional unit of the nervous system. The cell that receives and distributes nerve impulses. Neuron
The chemicals responsible for extending the nerve impulse from one cell to the next Neurotransmitters

The Nervous System Word Search

Type
Word Search
Description

electrical impulse
neurons
medulla oblongata
cerebellum
cerebrum
nerve impulse
relfex arc
neurotransmitters
muscle tissue
synapse
motor meurons
interneurons
sensory neurons
dendrite
cell body
nervous system
nerve
axon
skeletal muscle
spinal cord
Brain
PNS
Peripheral Nervous System
CNs
Central Nervous System

Nervous System Crossword

Type
Crossword
Description

Rough ER concentration that appear as microscopic granules Nissl Bodies
Branch off the axon Collateral Axons
A type of neuroglia that serves as the major supporting tissue in the CNS Astrocytes
cells that line the fluid-filled cavities within the CNS Ependymal
Help remove bacteria and cell debris from the CNS Microglia
Cell processes that form myelin sheaths around axons in the CNS Oligodendrocytes
Form myelin sheaths around axons in the PNS Schwann Cells
Specialized sheaths Myelin Sheaths
Gray matter on the surface of the brain Cortex
2 or more neurons that synapse with the same neuron Converging Circuits
Primary motor area frontal cortex
part of the brain between the brainstem and the cerebrum diencephalon
An endocrine gland that may influence the onset of puberty Pineal body
Rounded areas on the end of the axon terminals synaptic tip
Area involved with speech in the parietal lobe sensory speech area
Area involved with speech in the frontal lobe motor speech area
absent or defective speech or language comprehension Aphasia
brain's electrical activity electroencephalogram
major function of the cerebellum comparator
located nearer target organs collateral ganglia

Medical Terminology Chapter 15 Crossword

Type
Crossword
Description

Contained within the cranium Brain
Largest portion of the brain Cerebrum
Portion of the brain that connects with the spinal cord Brainstem
Three layers of membrane that cover the brain and spinal cord Meninges
Connects the cerebrum with the cerebellum and brainstem Pons
Made up of fibers that carries impulses from one part of the body to another Nerve
Cells that support and nourish nervous tissue Glia
Group of nerve cell bodies Ganglion
Dur/o Dura mater
Encephal/o Brain
Myel/o Spinal Cord
Radicul/o Nerve Root
Inflammation of the dura mater Duritis
Softening of the brain Encephalomalacia
Tumor composed of developing glia Gliobastoma
Protrusion of the meninges and spinal cord Meningomyelocele
Disease of the nerve roots Radiculopathy
Condition characterized by lack of muscle control and partial paralysis Cerebral Palsy
Condition characterized by recurrent seizures Epilepsy

Nervous System Crossword

Type
Crossword
Description

Main organ of the Nervous System Brain
Thin layer that protects the brain Membrane
Another word for skull Cranium
Type of spinal nerve Sacral
Connects the brain to the nerves in the whole body spinal cord
Long fibers that lead to all parts of the body from the spinal cord Nerves
A sensory receptor for the nose Smell
Type of sensory organ that allows you to see Eyes
The gap between the axon of one cell and the dendrit of another cell Synapse
Long fibers that carry messages away from the cell body axon
Branching fibers that bring messages toward the cell body Dendrite
Examples are: Brain, Spinal Cord, Nerves, Neurons organ
Specialized structures that respond to sensory stimuli receptors
A type of sensory receptor that lets you feel temperature cold
Chemical _____ carry messages across the synapse neurotransmitters
Nerves resemble these fibers
Sensory organ that allows you to hear ears
A function of the nervous system - to receive ___ from the environment stimuli
The brain sends instructions to glands to release these hormones
The brain sends instructions to these muscles