External Features (Dorsal, Lateral, and Ventral Views)

Question 1

Spinal Cord

Answer 1

Function: Carries information from the brain to the body and from the body to the brain

Question 2

Medulla

Answer 2

Function: control autonomic functions (breathing, heart rate).

Question 3

Pons

Answer 3

Sends signals to the cerebellum and the forebrain; mediates sleep and arousal.

Question 4

Mid brain:

• Superior colliculli
• Inferior colliculi

Answer 4

Regulates eye movement and pupil dilation; assists in motor control.

Question 5

Hypothalamus

Answer 5

Regulates autonomic nervous system, synthesizes hormones; controls body temperature, hunger, thirst, and circadian cycle.

Question 6

CerebroSpinal Fluid:

Answer 6

Clear watery fluid which fills the space between the arachnoid membrane and the pia mater.

Question 7

Cerebellum Vermis:

Answer 7

Proprioception

Question 8

None

Answer 8

None

Question 9

Cerebrum: frontal lobe function

Answer 9

Reasoning, personality, and attention.

Question 10

Cerebrum: parietal lobe

Answer 10

Integrating sensory information from the body (somatosensation), processing spatial information, and temperature perception.

Question 11

Cerebrum: temporal lobe

Answer 11

Processing and perceiving sound; memory.

Question 12

Cerebrum: occipital lobe

Answer 12

Processing and perceiving vision.

Question 13

Medial longitudinal Fissure

Answer 13

Divides the cerebrum into left and right hemispheres.

Question 14

Gyri and sulci

Answer 14

Increase surface area of the brain and allow it to fit within confines of the skull.

Question 15

Grey matter

Answer 15

Mostly neuronal cell bodies involved in sensory perception, memory, muscle control, hearing, and emotions.

Question 16

White matter

Answer 16

Increase the speed of transmission between neurons

Question 17

Rhinal fissure

Answer 17

Divides cerebrum from underlying structures.

Question 18

Sylvian fissure

Answer 18

Divides the front and temporal lobe.

Question 19

Pyriform lobe

Answer 19

Processes scent (olfaction)

Question 20

Optic chiasm

Answer 20

Part of the brain where the optic nerves partially cross.

Question 21

Pyramidal tract:

Answer 21

Relay information between cerebral cortex and spinal cord.