Embryology

Question 1

Describe the process of development for primary and secondary vesicles?

Answer 1

Neural tube forms first then into primary vesicles, then into the secondary vesicles and finally the postnatal CNS.

Question 2

What are the primary brain vesicles names?

Answer 2

Prosencephalon (forebrain), Mesencephalon (midbrain), and Rhombencephalon (hindbrain)

Question 3

What are the Secondary Brain Vesicles?

Answer 3

Telencephalon, Diencephalon, Mesencephalon, Metencephalon, Myelencephalon and Spinal Cord

Question 4

What Part of the Brain does the Telencephalon form?

Answer 4

The Cortex

Question 5

Describe the 1st to 3rd brain development for prosencephalon.

Answer 5

Prosencephalon —>Telencephalon —> Cortex

—>Diencephalon —> Thalamus

Question 6

Describe the 1st to 3rd brain development for mesencephalon.

Answer 6

Mesencephalon —>Mesencephalon (midbrain)

Question 7

Describe the 1st to 3rd brain development for Rhombencephalon.

Answer 7

Rhombencephalon —>Metencephalon —> Cerebellum

                                                              - --> Pons
                             - -->Myelencephalon ---> Medulla

Question 8

List All Cranial Nerves

Answer 8

Olfactory, Optic, Oculomotor, Trochlear, Trigeminal, Abducens, Facial, Vestibulocochlear, Glossopharyngeal, Vagus, Spinal Accessory, Hypoglossal

Question 9

Types of “Brain Cells”

Answer 9

Neurons and Glial Cells

Question 10

Parts of a Neuron

Answer 10

Soma, dendrites, axon, synapse

Question 11

Axons are ______ directional and neurons are typically _________.

Answer 11

unidirectional, multipolar

Question 12

Grey matter (pink) consists of ____________

Answer 12

cell bodies and dendrites with ample blood flow (hence really pink, no grey)

Question 13

The diencephalon becomes what?

Answer 13

Thalassemia, hypothalamus and retina