bulbar
Học thuậtThân thiện
Definition
- Adjective:
- Relating to or involving the medulla oblongata: The term "bulbar" specifically describes something connected to the bulb-shaped medulla oblongata, which is the part of the brainstem that controls vital autonomic functions.
- Relating to a bulb, especially a medullary bulb: In a broader anatomical sense, it can refer to any bulb-shaped structure, though its primary medical use pertains to the brainstem.
Usage Examples
- Adjective:
- The patient was diagnosed with bulbar palsy, affecting their swallowing and speech.
- Symptoms suggested a bulbar involvement of the neurological disease.
Advanced Usage
- "Bulbar region": Refers specifically to the area of the medulla oblongata.
- The lesion was localized to the bulbar region.
- "Bulbar symptoms": Symptoms arising from dysfunction of the medulla oblongata, such as difficulty swallowing (dysphagia) or slurred speech (dysarthria).
- Progressive bulbar symptoms are characteristic of certain motor neuron diseases.
Variants and Related Words
- Bulb (n): A rounded, bulb-shaped structure or part.
- Bulbar Conjunctiva (n phrase): The part of the conjunctiva (a membrane) covering the eyeball. (Note: This is a specific anatomical term using "bulbar" in a different, non-neurological context).
- Pseudobulbar (adj): Referring to symptoms that resemble bulbar palsy but originate from upper motor neuron lesions, often characterized by involuntary emotional expression.
- Pseudobulbar affect involves sudden, uncontrollable episodes of laughing or crying.
Synonyms
- Medullary: Pertaining to the medulla oblongata or bone marrow (context is key).
- Brainstem-related: A more general descriptive term.
Related Phrases
- Bulbar paralysis / palsy: A condition involving muscle weakness caused by damage to the lower motor neurons in the medulla oblongata.
- Amyotrophic lateral sclerosis (ALS) can present with bulbar paralysis.
Adjective
- involving the medulla oblongata
- bulbar paralysis