Structure of the nervous system

Question 1

when does nervous system development start?

Answer 1

18th day after conception

Question 2

what are the 3 major divisions of brain?

Answer 2

forebrain
midbrain
hindbrain

Question 3

what are the 2 ventricles of forebrain?

Answer 3

lateral

third

Question 4

what are the 2 subdivisons of forebrain?

Answer 4

telecephalon

diencephalon

Question 5

what are the 3 principle structures of the telencephalon?

Answer 5

cerebral cortex
basal ganglia
limbic system

Question 6

what is the ventrcile of the midbrain?

Answer 6

cerebral aqueduct

Question 7

what is the subdivision of the midbrain?

Answer 7

mesencephalon

Question 8

what is the principal structure of the mesencephalon?

Answer 8

tectum tegmnetum

Question 9

what is the ventricle in the hindbrain?

Answer 9

fourth

Question 10

what are the 2 subdivisions of the hindbrain?

Answer 10

mentecephalon

mylencephalon

Question 11

what are the 2 principal structures of the metencephalon?

Answer 11

cerebellum

pons

Question 12

what is the principal structure of the mylencephalon?

Answer 12

medulla oblongata

Question 13

what are the 2 principal structures of the diencephalon?

Answer 13

thalamus

hypothalamus

Question 14

what is the cerebral cortex?

Answer 14

thin, wrinkled layer of tissue covering brain

Question 15

what 2 types of matter makes up cerebrum?

Answer 15

grey matter- composed of cell bodies of neurones

white matter- axons and dendrites of the neurons

Question 16

how do 2 hemispheres communicate?

Answer 16

through corpus collosum

Question 17

what are the 4 lobes of the brain?

Answer 17

frontal
parietal
occipital
temporal

Question 18

what are the 4 primary cortices?

Answer 18

primary motor
primary somatosensory
primary visual
primary auditory

Question 19

what is a brodmann area? and how many are there?

Answer 19

region of cerebral cortex based on its structure and organisation of cells
46

Question 20

what is the limbic system?

Answer 20

set of structures involved in learning, memory and emotion

Question 21

what are the 5 structures of the limbic systm?

Answer 21

limbic cortex
hippocampus
amygdala
fornix
mammilary bodies

Question 22

what is the basal ganglia?

Answer 22

set of structures involved in processing info for motor movement

Question 23

what are the 3 structures of basal ganglia?

Answer 23

caudate nucleus
putamen
globus pallidus

Question 24

what is the diencephalon?

Answer 24

part of forebrain consisting of thalamus and hypothalamus

Question 25

what is the thalamus?

Answer 25

main sensory relay for all senses

Question 26

what is the hypothalamus?

Answer 26

set of nuclei involved in regulating autonomic nervous system, controlling pituitary gland