glottis
Laryngeal cord gap
The glottis is the opening between the vocal cords in the larynx.
It widens during breathing and narrows during speech, controlling airflow to produce voice.
A glottal stop—the catch in the throat heard in "uh-oh"—occurs when the glottis closes completely then releases.
Speech-producing throat organ
- vocal foldsSound-producing laryngeal membranes
- tracheaRespiratory airway tube
- pharynxMuscular throat cavity
- arytenoid cartilageLaryngeal structure controlling phonation
hyoid bone · voice box · vocal cords · esophagus · airway · laryngeal · ventricle · cartilage
Expressed in speech
- voicelessHaving no voice
- aspirationStrong desire for achievement
- phonemesMinimal sound distinctions
- allophonesPositional sound variants
articulation · phonation · consonants · vowels · phonology · acoustics · IPA · creaky voice
Vocal fold vibration
- pitchFrequency of sound
- vibrationRapid oscillating movement
- vocal foldsSound-producing laryngeal membranes
- singingVocal music-making
tone · resonance · falsetto · voice production · timbre · register · frequency · harmonics
Visual inspection of larynx
- intubationPlacing airway tube
- endoscopyInternal organ examination
- laryngectomyExcision of vocal apparatus
- laryngospasmInvoluntary vocal cord closure
edema · polyps · nodules · aspiration · dysphagia · stridor · hoarseness · biopsy
Movement of atmosphere
- breathingPulmonary gas exchange
- inhaleDraw air in
- exhaleExpel breath outward
- ventilationCirculation of fresh air
inspiration · expiration · apnea · dyspnea · oxygen · diaphragm · lungs · pulmonary
larynx
Speech-producing throat organ
- vocal foldsSound-producing laryngeal membranes
- tracheaRespiratory airway tube
- pharynxMuscular throat cavity
arytenoid cartilage · hyoid bone · voice box · vocal cords · esophagus · airway · laryngeal · ventricle · cartilage · mucosa
voiced
Expressed in speech
- voicelessHaving no voice
- aspirationStrong desire for achievement
- phonemesMinimal sound distinctions
allophones · articulation · phonation · consonants · vowels · phonology · acoustics · IPA · creaky voice · manner of articulation
phonation
Vocal fold vibration
- pitchFrequency of sound
- vibrationRapid oscillating movement
- vocal foldsSound-producing laryngeal membranes
singing · tone · resonance · falsetto · voice production · timbre · register · frequency · harmonics · vibrato
laryngoscopy
Visual inspection of larynx
- intubationPlacing airway tube
- endoscopyInternal organ examination
- laryngectomyExcision of vocal apparatus
laryngospasm · edema · polyps · nodules · aspiration · dysphagia · stridor · hoarseness · biopsy · tracheostomy
airflow
Movement of atmosphere
ventilation · inspiration · expiration · apnea · dyspnea · oxygen · diaphragm · lungs · pulmonary · bronchi
glottisepiglottis
Windpipe-covering throat cartilage
pharynx · oral cavity · nasal cavity · esophagus · trachea