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lab 1

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Department
Neuroscience
Course Code
NROB60H3
Professor
Janelle Leboutillier

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NROB60H3 Lab 1
Lab 1: Basic Anatomical Terms:
Dorsal: relating to the back or top side of an animal
Ventral: relating to the front or bottom side of an animal
Anterior: near the head end or toward the front plane
Posterior: located behind a part or toward the rear
Superior: above or on the upper surface
Inferior: below or on the lower surface
Lateral: situated at or extending to the side
Medial: referring to the middle of the body or structure
Proximal: a part of the body that is closer to the center of
the body than another part
Distal: a part of the body that is located far from a point
of reference
Ipsilateral: on the same side of the body
Contralateral: on the opposite side of the body
Efferent: away from; e.g. efferent motor neuron- carries information away from CNS
Afferent: towards; e.g. afferent sensory neuron- carries information towards CNS
Gyrus (pl. gyri): the "hill" or the convolution on the surface of the brain caused by the folding
of the cortex
Sulcus (pl. sulci): the “valley” or groove on the brain surface separating the gyri
Lissencephalic (Gr. lissos=smooth; enkephalos=brain): a brain in which the cerebral
hemispheres are devoid of gyri (convolutions) e.g. rodent brain
Gyrencephalic: a brain in which the cerebral hemispheres are highly folded and convoluted (due
to gyri and sulci) e.g. human brain
Sagittal plane: divides the right and left side of the brain into parts
Midsagittal plane: divides the right and left sides of the brain into two equal halves
Midsagittal plane
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Description
NROB60H3 Lab 1 Lab 1: Basic Anatomical Terms: Dorsal: relating to the back or top side of an animal Ventral: relating to the front or bottom side of an animal Anterior: near the head end or toward the front plane Posterior: located behind a part or toward the rear Superior: above or on the upper surface Inferior: below or on the lower surface Lateral: situated at or extending to the side Medial: referring to the middle of the body or structure Proximal: a part of the body that is closer to the center of the body than another part Distal: a part of the body that is located far from a point of reference Ipsilateral: on the same side of the body Contralateral: on the opposite side of the body Efferent: away from; e.g. efferent motor neuron- carries information away from CNS Afferent: towards; e
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