| D008297 |
Male |
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Males |
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| D010487 |
Periaqueductal Gray |
Central gray matter surrounding the CEREBRAL AQUEDUCT in the MESENCEPHALON. Physiologically it is probably involved in RAGE reactions, the LORDOSIS REFLEX; FEEDING responses, bladder tonus, and pain. |
Mesencephalic Central Gray,Midbrain Central Gray,Central Gray Substance of Midbrain,Central Periaqueductal Gray,Griseum Centrale,Griseum Centrale Mesencephali,Periaqueductal Gray Matter,Substantia Grisea Centralis,Substantia Grisea Centralis Mesencephali,Central Gray, Mesencephalic,Central Gray, Midbrain,Gray Matter, Periaqueductal,Gray, Central Periaqueductal,Griseum Centrale Mesencephalus,Periaqueductal Grays, Central |
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| D003214 |
Conditioning, Classical |
Learning that takes place when a conditioned stimulus is paired with an unconditioned stimulus. |
Reflex, Conditioned,Classical Conditioning,Classical Conditionings,Conditioned Reflex,Conditionings, Classical |
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| D005239 |
Fear |
The affective response to an actual current external danger which subsides with the elimination of the threatening condition. |
Threat Cues,Threat Sensitivity,Cue, Threat,Fears,Sensitivity, Threat,Threat Cue,Threat Sensitivities |
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| D000818 |
Animals |
Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. |
Animal,Metazoa,Animalia |
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| D013216 |
Reflex, Startle |
A complex involuntary response to an unexpected strong stimulus. The reaction involves physical movement away from the stimulus, MUSCLE CONTRACTION and limb flexion, BLINKING, and changes in HEART RATE, BLOOD PRESSURE, and RESPIRATION. |
Startle Reaction,Acoustic Startle Reflex,Reflex, Moro,Startle Response,Moro Reflex,Reaction, Startle,Reactions, Startle,Reflex, Acoustic Startle,Response, Startle,Responses, Startle,Startle Reactions,Startle Reflex,Startle Reflex, Acoustic,Startle Responses |
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| D016194 |
Receptors, N-Methyl-D-Aspartate |
A class of ionotropic glutamate receptors characterized by affinity for N-methyl-D-aspartate. NMDA receptors have an allosteric binding site for glycine which must be occupied for the channel to open efficiently and a site within the channel itself to which magnesium ions bind in a voltage-dependent manner. The positive voltage dependence of channel conductance and the high permeability of the conducting channel to calcium ions (as well as to monovalent cations) are important in excitotoxicity and neuronal plasticity. |
N-Methyl-D-Aspartate Receptor,N-Methyl-D-Aspartate Receptors,NMDA Receptor,NMDA Receptor-Ionophore Complex,NMDA Receptors,Receptors, NMDA,N-Methylaspartate Receptors,Receptors, N-Methylaspartate,N Methyl D Aspartate Receptor,N Methyl D Aspartate Receptors,N Methylaspartate Receptors,NMDA Receptor Ionophore Complex,Receptor, N-Methyl-D-Aspartate,Receptor, NMDA,Receptors, N Methyl D Aspartate,Receptors, N Methylaspartate |
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| D017208 |
Rats, Wistar |
A strain of albino rat developed at the Wistar Institute that has spread widely at other institutions. This has markedly diluted the original strain. |
Wistar Rat,Rat, Wistar,Wistar Rats |
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| D017470 |
Receptors, Glutamate |
Cell-surface proteins that bind glutamate and trigger changes which influence the behavior of cells. Glutamate receptors include ionotropic receptors (AMPA, kainate, and N-methyl-D-aspartate receptors), which directly control ion channels, and metabotropic receptors which act through second messenger systems. Glutamate receptors are the most common mediators of fast excitatory synaptic transmission in the central nervous system. They have also been implicated in the mechanisms of memory and of many diseases. |
Excitatory Amino Acid Receptors,Glutamate Receptors,Receptors, Excitatory Amino Acid,Excitatory Amino Acid Receptor,Glutamate Receptor,Receptor, Glutamate |
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| D046352 |
Freezing Reaction, Cataleptic |
An induced response to threatening stimuli characterized by the cessation of body movements, except for those that are involved with BREATHING, and the maintenance of an immobile POSTURE. |
Cataleptic Immobilization Reaction,Immobilization Reaction, Cataleptic,Cataleptic Freezing Reaction,Cataleptic Freezing Reactions,Cataleptic Immobilization Reactions,Freezing Reactions, Cataleptic,Immobilization Reactions, Cataleptic,Reaction, Cataleptic Freezing,Reaction, Cataleptic Immobilization,Reactions, Cataleptic Freezing,Reactions, Cataleptic Immobilization |
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