Shared Flashcard Set

Details

A/P I: CNS Part I
Parts of the Brain
65
Anatomy
Undergraduate 2
10/11/2009

Additional Anatomy Flashcards

 


 

Cards

Term
Part of CNS contained in cranial cavity that is the control center for many of body's functions.
Definition
Brain
Term
Parts of Brain
Definition

Brainstem

Cerebellum

Diencelphalon

Cerebrum

Term
Parts of Diencephalon
Definition

Thalamus

Subthalamus

Epithalamus

Hypothalamus

Term
Connects spinal cord to brain and integrates reflexes necessary for survival.
Definition
Brainstem
Term
Involved in control of locomotion, balance, posture.
Definition
Cerebellum
Term
Involved in concious thought and control.
Definition
Cerebrum
Term
Three parts of the brainstem.
Definition

Midbrain

Pons

Medulla oblongata

Term
Nerve tracts of the medulla oblongata that control voluntary muscle movement.
Definition
Pyramids
Term
Nuclei of the medulla oblongata that function in equilibrium, coordination and modulation of sound from the ear.
Definition
Olives
Term
Nuclei of the medulla oblongata that regulate heart, blood vessels, respiration, swallowing, vomiting, coughing, sneezing and hiccuping.
Definition
Medullary nuclei
Term
Part of brain stem that regulates respiration, switching between inhalation and exhalation.
Definition
Pons
Term
Inferior portion of the brain stem that transitions from the spinal cord.
Definition
Medulla Oblongata
Term
Portion of brain stem that is the reflex center of vision and hearing.
Definition
Mid Brain
Term
Part of brain stem that acts as relay center for information from cerebrum and cerebellum.
Definition
Pons
Term
Where nuclei of cranial nerves V-IX are located.
Definition
Pons
Term
Where nuclei for cranial nerves III-V are located
Definition
The Midbrain
Term
Part of midbrain that contains ascending tracts and red nuclei.
Definition
Tegmentum
Term
Active in unconcious regulation of motor activities
Definition
Red nuclei
Term
Part of midbrain that consists of four colliculi
Definition
Tectum
Term
Functions of the four colliculi of the tectum...
Definition

Two inferior: primary CNS pathways for hearing

 

Two superior: active in visual reflexes

Term
Major descending motor pathway from the cerebrum to the spinal cord.
Definition
Cerebral peduncles
Term
Part of midbrain that connects to the basal nuclei of the cerebrum and is involved with maintaining muscle tone and coordinating movement.
Definition
Substantia nigra
Term

Nuclei scattered throughout the brainstem extending to the thalamus and cerebrum.

 

Definition
Reticular Formation
Term
Attached to brainstem posteriorly to pons and has nerve tracts that communicate with each part of the brainstem.
Definition
Cerebellum
Term
Part of reticular formation that regulates conciousness and sleep-wake cycles
Definition
Reticular Activating System
Term
Consists of gray matter cortex and nuclei with white matter (tracts) in between.
Definition
Cerebellum
Term
Fiber tracts in the cerebellum that communicate with other parts of the brain.
Definition
Cerebellar peduncles
Term
Largest cells in CNS, receive 200,000 synapses into a single cell, involved in unconcious regulation of motor movement.
Definition
Perkinje's Cells
Term
Controls balance, gross motor coordination, fine motor coordination and corrects discrepancies between intended movement and actual movement.
Definition
Cerebellum
Term
Functionally the largest structure of the diencephalon and main feature is intermediate mass.
Definition
Thalamus
Term
Processes sensory information from the spinal cord before projecting it to the cerebrum.
Definition
Thalamus
Term
Three parts of Thalamus that process sensory information (primary sensory medulla).
Definition

Medial geniculate nucleus

Lateral geniculate nucleus

Ventral posterior nucleus

Term
Purpose of the intermediate mass in the Thalamus
Definition
communication between left and right brain
Term
Initial perception of pleasure and pain.
Definition
Thalamus
Term
Most sensory input synapses, also has some motor functions.
Definition
Thalamus
Term
Integration of strong emotions such as fear and rage and their associated body movements.
Definition
Thalamus
Term
Plays a role along with the LIMBIC system of the crebrum in mood modification and the regulation of emotions.
Definition
Thalamus
Term
Plays a role in the integration of sensory input and mood.
Definition
Thalamus
Term
Part of diencephalon that is involved in motor function.
Definition
Subthalamus
Term
Part of diencephalon that influences emotions through smell and may play a role in the onset of puberty.
Definition
Epithalamus
Term
Part of epithalamus that is involved with puberty onset, photoperiodicity and melatonin.
Definition
Pineal body
Term
Part of epithalamus that involves cerebrospinal fluid.
Definition
Choroid plexus
Term
Thermostat of the body, water balance, metabolism, sex, pain and pleasure, fear and rage, emotions and mood.
Definition
Hypothalamus
Term
Regulation of pituitary secretions.
Definition
Hypothalamus
Term
Contains the mammillary bodies that are centers for olfaction and emotional response to smell.
Definition
Hypothalamus
Term
Folds of gray matter
Definition
Gyri
Term
Grooves of the brain
Definition
Sulci
Term
Connect different areas of the brain within the same hemisphere.
Definition
Association Fibers
Term
Pass information between right and left hemispheres.
Definition
Commisural fibers
Term
Nerve fibers which originate in brain and connect to spinal cord or tissues outside of the brain.
Definition
Projection Fibers
Term
Part of brain that is primarily gray matter.
Definition
Cerebrum
Term
Largest portion of the brain that is composed of hemispheres and are characterized by fissures and sulci.
Definition
Cerebrum
Term
Center of cerebrum.
Definition
Medulla
Term
Outside surface of cerebrum.
Definition
Cortex (cerebral cortex)
Term
Gray matter within medulla of cerebrum
Definition
Nuclei
Term
Four parts of the cerebrum
Definition

Frontal lobe

Parietal lobe

Occipital lobe

Temporal lobe

Term
Separates the two hemispheres of the cerebrum.
Definition
Longitudinal fissure
Term
Separates temporal lobe from frontal and parietal lobes.
Definition
Lateral fissure
Term
Separates frontal and parietal lobes.
Definition
central sulcus.
Term
Senses that have widespread receptors throughout the body.
Definition
General Senses
Term
Senses that have receptors located within  a single organ or structure.
Definition
Special senses
Term
Examples of Special Senses
Definition

Vision

Hearing

Smell

Balance

Taste

Term
Size of sensory area will be relative to...
Definition
The number or sensory receptors in that area of the body.
Term
Area of the brain stem that contains the corpora quadrigemina.
Definition
midbrain
Term
white matter of the cerebellum that forms a branching network
Definition
arbor vitae
Supporting users have an ad free experience!