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The SpinalCord

BrainstemDiencephalonCerebrum/Cerebellum

Brain Pot Pourri

Type of matter representedBy #5.

What is white matter?

Name of the structure indicated by #7.

What is the anterior horn?

Type of nerve tract that carries

messages from the brain to effector

organs.

What are descending

tracts?

The space in the spinal cord that

contains cerebrospinal

fluid.

What is the central canal?

The part of the white matter (ie – one of the three columns) that

carries sensory information to the

brain.

What is the dorsal (posterior) column?

The three main parts of the

brainstem, from most inferior to most superior.

What are medulla oblongata, pons and midbrain?

Containing pyramids, this subregion of the

brainstem is responsible for vital function such as

heartrate, blood pressure, breathing,

swallowing and many other vital functions for

life.

What is the medulla

oblongata?

Containing superior and inferior colliculi, this

region of the brainstem is primarily involved with relaying information to the auditory and visual

cortex.

What is the midbrain?

Meaning “bridge,” this portion of the brainstem relays

information between the right

and left hemispheres.

What is the pons?

This group of nuclei is responsible for

consciousness, and is the group of cells that are manipulated using

anesthetics.

What is the reticular

formation?

Three main regions of the diencephalon.

What are the thalamus,

epithalamus, and hypothalamus?

Structure #5 – this structure is involved in

the onset of puberty in humans and migratory patterns in animals.

What is the pineal body?

This part of the diencephalon is the most

superior and posterior portion of the

diencephalon. It is responsible for our

response to odors and also plays a role in the onset of

puberty.

What is the epithalamus?

This is the most inferior part of the diencephalon and

controls such things as body

temperature, hunger and thirst.

What is the hypothalamus?

Represented by #6 on the diagram – this is the main dumping place for all sensory

neurons before they are redirected to the appropriate place in the cerebrum.

What is the thalamus?

The four lobes of the cerebrum.

What are the frontal, parietal,

temporal and occipital lobes?

The folds and intervening

grooves of the brain, in that

order.

What are gyri and sulci?

Known as the comparator, this

structure within the brain helps with the

learning of new motor movements.

What is the cerebellum?

This is the largest part of the brain.

What is the cerebrum?

This fissure separates the brain into left and right

halves.

What is the longitudinal

fissure?

The left side of the body is controlled by

this cerebral hemisphere.

What is the right hemisphere?

This hemisphere of the brain is much more analytical.

What is the left hemisphere?

Organelle within the

neuron represented by

#6

What is the cell body?

Type of neuronal pathway illustrated above.

What is a reflex arc?

This is the reason why unmyelinated axons are not as

effective as myelinated axons.

What is unmyelinated axons do not carry action

potentials (or messages) as quickly? They

also use more ATP in the process!

FINAL JEOPARDYGenetics

Explain the difference between

a autosomal recessive disease and a sex-linked

recessive disease.

Autosomal Recessive – must have two recessive alleles on any

chromosome other than the 23rd (sex pair)

Sex-Linked Recessive – girls must have two recessive alleles on 23rd pair, boys only have to have one

recessive allele.