Pharynx Flashcards
(30 cards)
What passes through the pharynx?
Air and bolus
Pharynx connects?
- Oral cavity with esophagus
2. Nasal cavity with layrnx
Soft palate separates rostral part of pharynx into?
- Nasopharynx (dorsal)
2. Oropharynx (ventral)
Intrapharyngeal opening
Where nasopharynx and oropharynx meet
Pharynx is formed by?
Soft palate and palatopharyngeal arches
Laryngopharynx
Cd. communication continuation of naso- and oropharynx
Chonae
Intrapharyngeal opening
Borders of nasopharynx:
Cd: epiglottis
Lateral: hyopharyngeus and ceratohyoideus mm.
Nasopharynx communicates with?
Rostrally: nasal cavity
Caudally: laryngopharynx
Caudoventrally: oropharynx
Oropharynx goes from ___ to ___?
Palatoglossal arch → base of epiglottis
Borders of oropharynx
Dorsal: soft palate
Ventral: root of tongue
Lateral: tonsillar fossa
Palatine tonsil is located?
In lateral walls of oropharynx
Oropharynx communicates with?
Rostrally: oral cavity
Caudally: laryngopharynx (over tip of epiglottis)
Dorsally: cd. opening of nasopharynx
Layngopharynx goes from ___ to ____
Epiglottis → pharyngoesophageal limen
_____ is part of the respiratory channel
Nasopharynx
_____ is part of the digestive tract
Oropharynx
_____ is part of the respiratory and digestive system
Laryngophaynx
Layngopharynx is located?
Dorsal to larynx
Pharyngoesophageal limen is located where?
Level of axis and cricoid cartilage
Piriform recesses are located?
Each side of base of epiglottis → continues floor of oropharynx around entrance of larynx
Function of piriform receses
Gutters for fluids
Layngopharynx communicates with?
Caudally: esophagus
Cranially: nasopharynx and oropharynx
4 m. types of pharynx
- Rostral pharyngeal constictors
- Middle pharyngeal constrictors
- Cd. phayngeal constictors
- Dilator of pharynx
2 rostral pharyngeal constrictor mm.
- Pterygopharyngeus m.
2. Palatophayngeus m.
