Definition

1. 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

1. involving the medulla oblongata
   • bulbar paralysis