Neurulation
What are the four major brain regions?
Cerebrum, diencephalon, brainstem, cerebellum
Telencephalon becomes what?
Cerebrum
Gray matter is made of neuron cell bodies, dendrites, and
Unmyelinated axons
How many lobes are in each hemisphere?
Five
Where are motor areas housed?
Frontal lobes
Neural plate develops neural groove
Diencephalon becomes what?
Thalamus, hypothalamus, epithalamus
____ is superficial layer of gray matter
Cortex
Anterior part of cerebrum
Frontal lobe
Where is the primary motor cortex located?
Precentral gyrus
What is the second stage of neurulation?
Neural groove deepens as folds rise and approach one another
Mesencephalon becomes what?
Midbrain
______ ______ consists of myelinated axons
White matter
Superoposterior part of cerebrum
Parietal lobe
What is the Broca area?
Motor speech area
What is the third stage of neurulation?
Neural crest cells separate from neural folds
What does metencephalon become?
Cerebellum and pons
What are the two large hemispheres on superior aspect of brain?
Cerebrum
What is posterior of cerebrum?
Occipital lobe
What does the premotor cortex do?
Coordinates learned, skilled activities
What is the fourth stage of neurulation?
By the end of the 3rd week, folds meet and form neural tube surrounding neural canal
What does myelencephalon become?
Medulla oblongata
What is the deep cleft separating hemispheres?
Longitudinal fissure
What is deep to the lateral sulcus?
Insula
What does the frontal eye field do?
Regulates eye movements needed for reading and binocular vision