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Unit 2D

Brain

QuestionAnswer
The largest part of the brain consisting of 2 hemispheres Cerebrum
The Cerebrum is made up of ______ (external) which are convolutions of the cerebrum that are separated by _____(internal) Gyri, Sulci
The Cerebrum contains various ______ and large _____ Fissures, Sulci
The Four Major Fissures or Sulci of the cerebrum are ? 1. Longitudinal Fissure 2. Transverse Fissure or sulcus 3. Lateral sulcus or Fissure 4. Central Sulcus
Separates the right and left hemispheres and is occupied by the FALX CERIBI Longitudinal Fissure
Separates the cerebrum and the cerebellum and is occupied by the TENTORIUM CEREBELLI Transverse Fissure or sulcus
Separates the temporal Lobe from the rest of the cerebrum Lateral sulcus or Fissure
Separates the pre-central (motor) and the post-central (sensory) gyri Central Sulcus
Central Sulcus : The primary MOTOR cortex is _________ gyrus, it lies _______ to the central sulcus pre-cetral , anterior
Central Sulcus : The primary SENSORY cortex is _________ gyrus , it lies ______ to the central sulcus Post-central , Posterior
The Cerebrum consists of 5 lobes per hemisphere what are they ? Frontal, Parietal , Occipital , Temporal, Insula
The _____ lies within the depths of the Lateral Sulcus (therefore if u cut open between the the temporal and the frontal you'll find it ) Insula
Basal Ganglia(nuclei) contain the central _____ matter of the cerebrum gray
The Basal Ganglia(nuclei) function in control of ______ and ______ Movement, Posture
Diseases in the Basal Ganglia(nuclei) involve disturbances in voluntary ____ control . Ex. Parkinsons , Huntingtons chorea Muscular
The MOST important sensory relay center of the brain is the ? Thalamus
The thalamus sends incoming impulses from the receptors of the body to the ? Cerebral Cortex
Hypothalamus literally means Below the Thalamus
The Hypothalamus lies between and is associated with the : (3) 1. Optic chiasma 2. Mammillary bodies 3. Pituitary glands
Part of the Hypothalamus where the optic tracts (CNII) cross Optic chiasma
Part of the Hypothalamus that is the sensory synaptic station Mammillary bodies
Part of the Hypothalamus that projects inferior from it and secretes many hormones Pituitary glands
The Hypothalamus functions in the regulation of visceral activity (deep internal feelings) such as (3 categories) 1. Body temperature 2. Carbohydrate and lipid metabolism 3. Sleep, Sexual activity , and Emotions
Cerebellum literally means Little Brain
The Cerebellum connects with 3 things ? (MPM) midbrain, pons , and medulla oblongata
The Cerebellum consists of 2 hemispheres that are separated by a ? median vermis
The Cerebellums outer cortex contains Folia( Leaves) that are separated by _____ Fissures
Internally the Cerebellum presents ____ matter branching in the form of a Tree called the _____ _____ white, Arbor Vitae
3 Functions of the Cerebellum 1. Coordinate Muscular Activity 2. Regulate muscle tone 3. Maintain Equilibrium
The three parts of the Brainstem 1. Midbrain 2. Pons 3. Medulla Oblangata
Brainstem: The Midbrain lies between the ____ & ____ Thalamus, Pons
which part of the Brainstem contains the Corpora Quadrigemina The Midbrain
Brainstem(Midbrain): Corpora Quadrigemina consists of 4 elevations (bumps) 2 top ones are called ______ ______ and the 2 bottom ones are called _____ _____ Superior colliculi , Inferior colliculi
Part of Corpora Quadrigemina that is involved in the pathway of vision? The Superior colliculi
Part of Corpora Quadrigemina that i is involved in the pathway of hearing ? The Inferior colliculi
The Pons act as a _____ connecting the right and left hemispheres of the cerebellum. bridge
Which part of the brainstem relays impulses from the cerebral cortex to the cerebellum ? The pons
The part of the Brainstem that is directly continuous with the spinal cord and will contain most of the ascending and descending tracts of the spinal cord THE MEDULLA OBLONGATA
The Medulla Oblongata represents an area where pyramidal tract fibers lie, called the _______ ? Pyramids
The Pyramids contain several nuclei involved in the regulation of vital body activities: such as ? (3) 1. Respritory 2. Cardiac ( heart rate) 3. Vasomotor (blood pressure)
Created by: osabdelr