A&P Nervous System Labs

Draw the organization of the Nervous System

Identify all structures on the Motor Neuron

Dendrites

Cell body of neuron

Nucleus of Neuron

Nucleolus of neuron

Chromatophilic substance (Nissl bodies)

Neurofibrils

Golgi apparatus of neuron

Axon hillock

Axon

Axon (presynaptic) terminals

Myelin sheath

Identify all structures of Neuromuscular junction

Skeletal muscle fiber

Motor neuron

Axon

Myelin sheath

Schwann cells

Axon (presynaptic) terminals

Synaptic Cleft

Postsynaptic membrane

Identify all structures on the neuromuscular microscope slide

Skeletal muscle

Axon Presynaptic terminals

Axon

Draw and label a Synapse

Identify structures of brain

Longitudinal fissure

Cerebral cortex (gray matter)

Cerebral Medulla (white matter)

Frontal lobe

Temporal lobe

Parietal lobe

Precentral gyrus

Postcentral gyrus

Central sulcus

Cerebellum

A fly landed on your hand: What area in the brain would sensory information from your hand need to travel to?

Other lobes/ Parietal lobes/ Central Cerebral Cortex

A fly landed on your hand: What area of the brain would the motor signals come from to flick the fly away?

Frontal lobe

Identify structures of midsagittal brain

Corpus callosum

Diencephalon

thalamus, third ventricle, hypothalamus, epithalamus

Thalamus

Third Ventricle

Hypothalamus

Epithalamus (pink line)

Brain stem

Pons

Medulla oblongata

choroid plexus of third ventricle

produces cerebrospinal fluid

Third ventricle

cerebral aqueduct (midbrain)

midbrain

Fourth ventricle

Central Canal of brain

Takes Cerebrospinal fluid down to the spinal cord

Thalamus

Identify the structures

Left Lateral Ventricle

Right Lateral Ventricle

Anterior horn of ventricle

Posterior horn of Ventricle

Inferior horn of ventricle

Third Ventricle

Cerebral Aqueduct

Fourth Ventricle

Dural Sinuses

Spinal cord

Cauda Equina

Dura Mater (outermost meninge)

Identify all structures

Spinal Cord (in white)

Cauda Equina

Identify all structures of spinal cord

White Matter of spinal cord

gray matter of spinal cord

Ventral Horns (gray matter)

Lateral Horns (gray matter)

Dorsal horns (gray matter)

Anterior Columns (white matter)

Lateral Columns (white matter)

Posterior Column (white matter)

central canal of spinal cord

Identify all structures

Pia Mater

Subarachnoid Space

Arachnoid mater

Subdural Space (brown line)

Dura mater

Epidural Space

Dorsal Root Ganglion

Dorsal Root

Ventral Root

Spinal Nerve

Cerebral Cortex (gray matter) (Slice 2)

Cerebral Medulla (white matter) (Slice 2)

Right & Left Parietal Lobes (Slice 2)

Third Ventricle (Slice 2)

Right & Left Lateral Ventricles (Slice 2)

Choroid Plexus (blue) (Slice 2)