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134 Cards in this Set
- Front
- Back
Also known as frontal sections, divides the nervous system from front and back. |
Coronal Sectiondivides th |
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Divides the brain from top to bottom. |
Horizontal/ Axial section |
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Provides side view of the brain structure |
Sagittal |
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Special section that divides the brain into two equal halves |
Midsagittal |
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Imaginary line that divides us into approximately equal halves. |
Midline |
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If two structures are at both at the same side of the midline |
Ipsilateral |
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If two structures are on opposite sided of the midline |
Contralateral |
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Structures close to midline |
Medial |
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Structure on the side of the midline |
Lateral |
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Close to the center |
Proximal |
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Away from the center. |
Distal |
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Layers of membranes that cover CNS and peripheral nerves |
Meninges |
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"Hard mother" ; outermost and can be found on both CNS and PNS |
Dura mater |
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Most delicate and looks like a spider's web in cross section. |
Arachnoid |
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"Pious mother" "primary mother" nutrient gaining |
Pia mater |
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Subarachnoid space |
Between the arachnoid and piamater, contains the CSF |
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the three layer of meninges cover the _________ and the ________ |
Brain and spinal cord |
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Infected meninges |
Meningitis |
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Meningioma |
Tumors that arise in the tissue of the meninges |
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The cerebrospinal fluid's two main functions are to _________ and __________ |
Circulate and Reabsorb |
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It circulates through the central canal of the spinal cord and four ventricles of the brain. |
CSF |
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Acts as a cushion when you bump your head |
CSF |
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Function of the CSF that means going through the spine via the central canal. |
Circulation/ circulates |
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Function of the CSF that means to go the blood vessels |
Reabsorb / reabsorption |
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It is located in the subarachnoid |
CSF |
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Hypo Secretion of CSF |
Meningitis |
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Hyper Secretion of CSF |
Hydrocephalous |
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Hollow spaces w/c contains the CSF. 2 on each hemisphere and 2 on the spinal cord. |
Ventricles |
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Lining of the ventricles w/c secretes the CSF |
Choroid Plexus |
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Connects ventricles to brainstem |
Cerebral aqueduct |
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Cerebral aqueduct going down passage, its a small channel in the spinal cord that contains the CSF. |
Central canal |
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CSF to Blood Vessels |
ARACHNOID GRANULE |
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Artery from the brain to the side of the neck. |
Carotid artery |
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Blood vessel that enter the brain from the back of the skull. |
Vertebral artery |
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A long cylinder of nervous tissue extending from the medulla to the first lumbar vertebra |
Spinal cord |
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The bones of the spinal column that protects and encloses the spinal cord |
Vertebral column |
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Spinal nerve : head, neck and arms |
Cervical nerves |
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Spinal nerve : chest heart and lung, chest muscles. |
Thoracic nerves |
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Spinal nerves: lower back and legs |
Lumbar nerves |
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Spinal nerves: legs and genitals |
Sacral nerves |
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Spinal nerve: Tailbone and contraction of the anus |
Coccygeal nerve |
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Broadman areas, cytoarchitecture (1-52) |
Korbinian Broadman |
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Connects hemispheres |
Corpus Callosum |
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Made up of nerve fibers known as axons covered in myelin. |
White matter |
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Primarily made up of cell bodies. It absorbs chemicals which causes its stain. |
Gray matter |
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Horn: for sensory neuron function |
Dorsal horn |
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Horn: for motor neurons |
Ventral horn |
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"Kulubot sa brain" represents the electrical transmission of the nerve fibers. |
Convolution |
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"Mini brain" |
Cerebellum |
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Has the same functions as the cerebral cortex, for learning; motor control, emotions, language and memory. |
Cerebellum |
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"lizard brain" ; consists of medulla and pons and functions for basic life support |
Brain stem |
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Contains the gyri and sulci |
Cerebral cortex |
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The shock absorption system |
Ventricles |
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Eye movements |
Midbrain |
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Relay station and monitors ascending and descending sense. Mass intermedia covered by lamina |
Thalamus |
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Hypothalamus and pituitary gland |
Inferior to the thalamus, basic needs; hunger and sexual desire |
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Basal ganglia |
Learning , emotion and control of movement |
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"Sea horse" for memory |
Hippocampus |
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Involved in anger, aggression, and fear. regulates information. |
Amygdala |
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A fold of cortical tissue on the inner surface of the cerebral hemispheres. Evolved class of nerve cells known as VON ECONOMO neurons |
Cingulate cortex |
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Anterior of thalamus and hypothalamus |
Septal area |
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What movement? right eye to left hemisphere |
Contralateral |
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What movement? Left eye to left hemisphere |
Ipsilateral |
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Prosebcephalon is composed of? |
Telencephalon and diencephalon |
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Prosencephalon is called |
Forebrain |
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Mesencephalon is divided into? |
Mesencephalon |
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Mesencephalon is also called? |
Midbrain |
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Rhombencephalon is divided into? |
Metencephalon and Myencephalon |
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Rhombencephalon is also called? |
Hindbrain |
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Gradual swelling of tissue above the cervical spinal cord |
Myencephalon ( medulla) |
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Myencephalon is also called? |
Medulla |
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Mid brain stem, regulates sleep and arousal and contains the reticular activation system. |
Reticular formation |
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Metencephalon is divided into? |
Pons and cerebellum |
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Bulge, bridge for medulla and higher brain centers. Its is also for the ascending and descending tracts of the reticular formation |
Pons |
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A nucleus found in the pons that receives info about the sound from the inner ear |
Cochlear nucleus |
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A group of cell bodies in the pons that receive info about the location and movement of the head from sensory structures in the inner ear |
Vestibular nucleus |
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Locatory term wc is in the dorsal surface of the brain. Consists of colliculi |
Tectum |
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Colliculi for auditory function |
Inferior |
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Colliculi for visual function |
Superior |
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Locatory term wc is ventral |
Tegmentum |
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Mediate the analgesic effects of opiate drugs. Pain reducing |
Periaqueductual gray |
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In the reticular formation, it is for sensorimotor (spinal and cerebellum) and a part of tegmentum |
Red nucleus |
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Black substance for sensorimotor wc is closely connected to the basal ganglia of the forebrain |
Substantia nigra |
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1st to develop in the fetal stages |
Forebrain |
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Largest division covered by the cerebral cortex |
Forebrain |
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Inferior to thalamus and composed of optic chiasm and mammillary body |
Hypothalamus |
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vision junction of the optic nerves |
Optic chiasm |
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Structure extending from the ventral surface of the brain that processes the sense of SMELL |
Olfactory bulb |
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Releases hormones |
Pituitary gland |
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Fiber pathway connecting mammillary body and hippocampus |
Fornix |
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Inferior to hypothalamus and are a pair of hypothalamic nuclei |
Mammillary body |
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Large sulcus |
Fissures |
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Contains the bulk of the symmetrical left and right cerebral hemispheres |
Telencephalon |
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Necessary for speech production. |
Broca's area |
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Most rostral lobe |
Frontal lobe |
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Important structure of frontal lobe: for top and side of frontal lobe |
Dorsolateral prefontal cortex |
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Important structure of frontal lobe: above and behind the eyes |
Orbitofrontal cortex |
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Separated frontal and parietal lobe. It is the caudal boundary of the frontal lobe |
Central sulcus |
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3 answers!!! : One of the nuclei contained in the basal ganglia |
Putamen, caudate nucleus, globus pallidus |
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A small nucleus located ventral to the thalamus that is part of the basal ganglia |
Subthalamic nucleus |
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Node of ranvier |
Part of the axon wo myelin sheath cover |
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Major fissure dividing the 2 cerebral hemispheres |
Longitudinal fissure |
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Area of the cortex that is devoted to the processing of sensory information |
Sensory cortex |
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PNS: consist of the cranial and spinal nerves |
Somatic nervous system |
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PNS. Controls the actions of many glands and organs |
Autonomic nervous system |
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3 cranial nerves for sensory information |
Olfactory, optic and auditory (vestibulocochlear) |
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Cranial nerve for smell |
Olfactory |
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Cranial nerve for vision |
Optic |
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Cranial nerve for auditory |
Vesitbulocochlear / auditory |
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3 Cranial nerves for muscles of the eyes |
Oculomotor, trochlear, abducens |
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Cranial nerve for muscles of the neck |
accessory nerves / spinal accessory nerve |
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Cranial nerve for chewing, provide feedback and facial expression |
Trigeminal nerve |
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Cranial nerve for facial expression and sensory for taste |
Facial nerve |
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Sensory and motor functions of the throat |
Glossopharyngeal |
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Cranial nerve for providing input and receiving sensation from the heart, liver and digestive tract. |
Vagus nerve |
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Each spinal nerve with afferent and efferent nerves |
Mixed nerve |
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Contains the cell bodies of the afferent nerves that process information about touch, temperature and other body senses from the periphery |
Spinal ganglion |
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Cells and fibers that pass to tissues other that the skeletal muscle |
Autonomic nervous systemm |
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A set of techniques that enable people to control typically unconscious or involuntary functions such as blood pressure |
Biofeedback |
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Fight or flight (and it also coordinates arousal) |
sympathetic |
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After sympathetic, it restores body functions and energy storage for rest |
Parasympathetic |
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A string of cell bodies outside the spinal cord that receives inout from the sympathetic neurons in the CNS and that communicate with target organs |
Sympathetic chain |
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Carry sensory and motor info between the brain regions of the head and neck |
Cranial nerves |
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Carry sensory and motor info between the spinal cord and the remainder of the body |
Spinal nerves |
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Provides input to the glands and organs |
ANS |
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The process by wc favorable traits would become more common and unfavorable traits would become less common in subsequent generations due to differences among organisms in their ability to reproduce successfully |
Natural selection |
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Proposed natural selection |
Charles darwin |
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Connects the 3rd and 4th ventricle |
Interventricular foramen |
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The ability of an organism with one genetic make up to reproduce more successfully than organisms with other types of genetic make up |
fitness |
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The phylum of animals that possess true brains and spinal cords also known as vertebrates |
Chordates |
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A primate in the family homonidae, of wc homosapiens is the only surviving member |
Hominid |
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The species of modern humans |
Homo sapiens |
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Controls all actions and processes of the body |
Nervous system |
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Comprises of hollow structured in the brain that are connected to the central canal to the spinal cord |
Ventricular canal |