MODULE 3 (B)
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Dorsal
Toward the back, away from the ventral (stomach) side
Ventral
Toward the stomach, away from the dorsal (back) side
Anterior
Toward the front end
Posterior
Toward the rear end
Superior
Above another part
Inferior
Below another part
Lateral
Toward the side away from the midline
Medial
Toward the midline, away from the side
Proximal
Located close (approximate) to the point of origin or attachment
Distal
Located more distant from the point of origin or attachment
Ipsilateral
On the same side of the body (two parts on the left or two on the right)
Contralateral
On the opposite side of the body (one on the left and one on the right)
Coronal plane (or frontal plane)
A plane that shows brain structures as seen from the front
Sagittal plane
A plane that shows brain structures as seen from the side
Horizontal plane (or transverse plane)
A plane that shows brain structures as seen from the above
Lamina
A row or layer of cell bodies separated from other cell bodies by a layer of axons and dendrites
Column
A set of cells perpendicular to the surface of the cortex, with similar properties
Tract
A set of axons within the CNS, also known as a projection. If axons extend from cell bodies in structure A to synapses onto B, we say that the fibers “project” from A onto B
Nerve
A set of axons in the periphery, either from the CNS to a muscle or gland or from a sensory organ to the CNS
Nucleus
A cluster of neuron cell bodies within the CNS
Ganglion
A cluster of neuron cell bodies usually outside the CNS
Gyrus (pl: gyri)
A protuberance on the surface of the brain
Sulcus (pl: sulci)
A fold or groove that separates one gyrus from another
Fissure
A long, deep sulcus