W1: Anatomy Lab 1

Question 1

Soma

Answer 1

Neuron cell body

Question 2

Nucleus

Answer 2

Prominent structure of the soma containing the nucleolus.

Question 3

Mitochondria

Answer 3

Chief energy source for the neuron (circulates glucose and oxygen).

Question 4

Rough Endoplasmic Reticulum / Golgi Apparatus

Answer 4

Synthesize and package protein.

Question 5

Plasma Membrane

Answer 5

Lipid bilayer as in other cells. Plays a critical role in controlling ion flow into and out of neuron.

Question 6

Axon

Answer 6

Information transmitter.

Question 7

Axon Hillock

Answer 7

initial segment of the axon that tapers from the cell body.

Question 8

Myelin Sheath

Answer 8

Glial cell wrapping around the axon (insulator).

Question 9

Node of Ranvier

Answer 9

Area that exists between myelin sheaths.

Question 10

Terminal Bouton

Answer 10

The end of the axon (pre-synaptic terminal). Contains mitochondria and synaptic vesicles.

Question 11

Diameter of Dendrites

Answer 11

Proximal dendrites taper from the soma, and are thicker than axons. Distal dendrites become thinner as they branch.

Question 12

Dendritic Spines

Answer 12

Thorn-like projections that extand from the dendritic shaft.

Question 13

Superior

Answer 13

Above

Question 14

Inferior

Answer 14

Below

Question 15

Rostral

Answer 15

Toward the head.

Question 16

Caudal

Answer 16

Toward the tail.

Question 17

Anterior

Answer 17

Front

Question 18

Posterior

Answer 18

Back

Question 19

Ventral

Answer 19

Towards the belly.

Question 20

Dorsal

Answer 20

Towards the back.

Question 21

Medial

Answer 21

Towards the midline.

Question 22

Lateral

Answer 22

Away from the midline.

Question 23

Proximal

Answer 23

Closer to trunk.

Question 24

Distal

Answer 24

Away from trunk.

Question 25

Superficial

Answer 25

Towards the surface.

Question 26

Deep

Answer 26

Away from the surface.

Question 27

Coronal plane divides the…

Answer 27

aka: Frontal

Anterior/Posterior

Question 28

Sagittal plane divides the…

Answer 28

Left/Right

Question 29

Horizontal plane divides the…

Answer 29

aka: Transverse

Superior/Inferior

Question 30

Gyri

Answer 30

The hills of the brain.

Question 31

Sulci

Answer 31

Valleyfolds of the brain.

Increase SA.

Question 32

Central Sulcus

Answer 32

Longitudinal to lateral fiscer (Frontal - Parietal divider)

Question 33

Parieto-occipital sulcus

Answer 33

Parietal - Occipital divider

Question 34

Lateral Sulcus

Answer 34

Temporal - Frontal divider

Question 35

Longitudinal Sulcus

Answer 35

Left - Right cerebral hemisphere divider

Question 36

Frontal Lobe

Answer 36

Motor Function

Question 37

Parietal Lobe

Answer 37

Sensory Function

Question 38

Occipital Lobe

Answer 38

Visual Function

Question 39

Temporal Lobe

Answer 39

Auditory Function