SCB 203 Lab Final Exam (Neurons & Brain)

Schwann cells

produce myelin in PNS

axon hillock

Dendrites

Axon

Endoneurium

Axon terminals

Node of ranvier

conus medullaris

End of spinal cord

Cauda equina

collection of spinal nerves below the end of the spinal cord

Filum terminale

anchors spinal cord to coccyx (made of spinal pia)

brachial plexus

network of interlacing nerves found in the upper arm area

Posterior medial sulcus

anterior medial fissure

Central canal

contains blood vessels, CSF and nerves

anterior horn

lateral horn

posterior horn

Ventral root

contains motor fibers

Dorsal root

contains sensory fibers

Dorsal funiculus

Sensory only tracts

Ventral funiculus

Sensory and motor tracts

Lateral funiculus

Sensory and motor tracts

Gray commissure

cell body (soma)

neuron nucleus

Frontal lobe

Parietal lobe

Temporal lobe

occipital lobe

Pons

Medulla oblongata

Midbrain

Anterior lobe

Posterior lobe

Corpus callosum

Thalamus

fourth ventricle

small triangular chamber between pons and cerebellum

Cerebellum

Precentral gyrus

Central sulcus

separates frontal and parietal lobes

Postcentral gyrus

Lateral sulcus

Arbor vitae

Nissl bodies

essentially rough endoplasmic reticulum, important metabolically

Olfactory nerve (I)

Optic Nerve (II)

Oculomotor Nerve (III)

Trochlear Nerve (IV)

Trigeminal nerve (V)

Abducens Nerve (VI)

Facial Nerve (VII)

Vestibulocochlear Nerve (VIII)

Glossopharyngeal Nerve (IX)

Vagus Nerve (X)

Accessory Nerve (XI)

Hypoglossal Nerve (XII)

Infundibulum

Optic chiasma

Optic tract

Fornix

Pineal gland

at the end of the epithalamus

Pituitary gland

Hypothalamus

Insula

mammillary body

septum pellucidum

wall that separates lateral ventricles

cerebral aqueduct

third ventricle

pocket under the fornix

lateral ventricle

pocket behind the septum pellucidum

parieto-occipital sulcus

separates parietal and occipital lobes

cervical plexus

Telodendria

Internode

myelin sheath

dura mater

pia mater

arachnoid mater

dorsal root ganglia

interventricular foramen

axolemma

plasma membrane of axon

gray matter of brain

white matter of brain

longitudinal fissure

brain stem

choroid plexus

spinal nerve

vermis