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🧠 Body System Hub

Neurological System

Brain, spinal cord, peripheral nerves, vestibular balance, and conditions like epilepsy, IVDD, and tremors. Explore all 33 verified terms affecting this biological organ system.

Intervertebral Disc Disease (IVDD)

condition

A spinal condition where cushioning discs between vertebrae degenerate, bulge, or rupture into the spinal canal, compressing the spinal cord.

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Idiopathic Epilepsy

condition

A chronic neurological brain condition characterized by recurrent, unprovoked seizures without an identifiable structural brain defect or toxin.

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Feline Infectious Peritonitis (FIP)

condition

A severe, immune-mediated viral disease in cats caused by a mutation of common feline coronavirus (FCoV).

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Glaucoma

condition

An ocular emergency characterized by increased intraocular pressure (IOP) that causes severe eye pain and rapid irreversible blindness.

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Horner’s Syndrome

condition

A classic neurological complex of four distinct eye signs caused by a disruption of the sympathetic nerve pathway to the eye.

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Ataxia

symptom

An uncoordinated, clumsy, or stumbling gait caused by sensory or neurological dysfunction without weakness or paralysis.

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Syncope (Fainting)

symptom

A sudden, temporary loss of consciousness and postural muscle tone followed by spontaneous, rapid recovery.

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Lethargy

symptom

An abnormal state of drowsiness, sluggishness, low energy, and reluctance to engage in normal physical activity.

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Tremors (Muscle Fasciculations / Shaking)

symptom

Involuntary, rhythmic, oscillatory muscle contractions causing shaking or shivering movements of part or all of the body.

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Blepharospasm (Eye Squinting / Spasm)

symptom

Involuntary, spasmodic contraction of the orbicularis oculi muscle causing squinting or tightly shut eyelids in response to ocular pain.

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Nystagmus (Involuntary Eye Flickering)

symptom

Involuntary, rhythmic oscillation of the eyeballs, either side-to-side, up-and-down, or rotatory, characteristic of vestibular disease.

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Gabapentin

medication

An analogue of the neurotransmitter GABA used for managing neuropathic and chronic pain, situational feline anxiety, and adjunct seizure control.

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Buprenorphine (Buprenex / Simbadol)

medication

A potent partial mu-opioid agonist providing excellent analgesia, uniquely well-absorbed across feline oral mucous membranes.

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Mirtazapine (Mirataz / Remeron)

medication

A tetracyclic antidepressant that antagonizes central presynaptic alpha-2 and serotonin receptors, used as a powerful appetite stimulant.

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Phenobarbital

medication

A long-acting barbiturate anticonvulsant that enhances GABA-mediated neuroinhibition to control epileptic seizures.

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Levetiracetam (Keppra)

medication

A modern anticonvulsant targeting synaptic vesicle protein SV2A, renowned for its wide safety margin and minimal liver burden.

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Computed Tomography (CT Scan)

diagnostic

An advanced cross-sectional imaging technique that uses rotating X-rays and computer processing to create detailed three-dimensional volumetric images.

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Magnetic Resonance Imaging (MRI)

diagnostic

A premier diagnostic imaging modality utilizing powerful magnetic fields and radio waves to generate exquisite soft-tissue contrast of the brain, spinal cord, and nerves.

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Tonometry (Intraocular Pressure Measurement)

diagnostic

An ophthalmic diagnostic procedure measuring intraocular pressure (IOP) in millimeters of mercury (mmHg) to screen for glaucoma and uveitis.

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Hemilaminectomy (Spinal Decompression Surgery)

procedure

A neurosurgical spinal decompression procedure that removes one side of a vertebral lamina to access and extract herniated intervertebral disc material crushing the spinal cord.

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Intervertebral Disc & Spinal Column

anatomy

Fibrocartilaginous shock-absorbing pads situated between adjacent vertebrae along the spinal column.

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Tympanic Membrane (Eardrum)

anatomy

The thin, semitransparent membrane separating the external ear canal from the middle ear cavity.

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Cochlea (Auditory Inner Ear)

anatomy

The spiral, snail-shell-shaped bony cavity of the inner ear housing the organ of Corti for acoustic sensory transduction.

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BID (Twice Daily)

abbreviation

A prescription abbreviation originating from Latin meaning "bis in die," directing a medication to be given twice a day, approximately 12 hours apart.

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TID (Three Times Daily)

abbreviation

A prescription abbreviation from Latin "ter in die," directing a medication to be administered three times a day, roughly every 8 hours.

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SID (Once Daily)

abbreviation

A veterinary prescription abbreviation from Latin "semel in die," directing a medication to be given once a day, every 24 hours.

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WNL (Within Normal Limits)

abbreviation

A clinical medical chart abbreviation indicating that an anatomical structure, organ system, or laboratory test value falls completely within expected healthy parameters.

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BAR (Bright, Alert, Responsive)

abbreviation

A clinical demeanor assessment denoting an animal that is mentally alert, visually interactive, and energetically engaged with their environment.

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QAR (Quiet, Alert, Responsive)

abbreviation

A clinical demeanor assessment indicating that an animal is conscious and responds to stimuli, but is calm, subdued, timid, or mildly lethargic.

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ADR ("Ain’t Doing Right")

abbreviation

An informal yet universally recognized veterinary clinical shorthand for "Ain’t Doing Right," denoting vague, non-specific malaise or illness without localized signs.

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QID (Four Times Daily)

abbreviation

A prescription abbreviation from Latin "quater in die," directing a medication to be administered four times a day, approximately every 6 hours.

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PRN (As Needed)

abbreviation

A prescription abbreviation from Latin "pro re nata," directing a medication to be administered only as needed or as circumstances arise.

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SOAP (Medical Record Note)

abbreviation

The universal four-part clinical documentation structure used by veterinarians: Subjective, Objective, Assessment, and Plan.

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