More Related Content Similar to The Pharynx (Anatomy of the Neck) Similar to The Pharynx (Anatomy of the Neck) (20) More from Dr. Sherif Fahmy More from Dr. Sherif Fahmy (12) 2. Shape & Extensions
Shape: Funnle-shaped.
Extensions:
- Above: base of skull.
- Below: Esophagus at level of C6
vertebra.
Length: 5 inches
Diameter: 3.5 cm at upper end & 1.5
Dr.Sherif
8. Layers of Wall of pharynx
1- Mucosa.
2- Submucosa.
3- Pharyngo-basilar fascia.
4- Muscle layer.
5- Buccopharyngeal fascia.
Dr.Sherif
Fahmy
11. Crico-
pharyngeus m
Thyro-
pharyngeus m3- Inferior
Constrictor
m
Cricoid
Thyroid
Hyoid
Stylohyoid
lig.
2- Middle constrictor m
Pterygoid
hamulus
Pterygo-
mandibular lig.
1- Superior constrictor m
Pharyngeal tubercle
Pharyngeal raphe
Dr.Sherif
Fahmy
24. Uvula (median
part of soft
palate)
Palato-glossal
fold
Palato-
pharyngeal fold
Palatine tonsil
Dr.Sherif
Fahmy
31. Arterial supply of palatine tonsil:
1- Tonsillar branch of facial artery.
2- Ascending pharyngeal artery.
3- Ascending palatine artery.
4- Lesser palatine artery.
5- Dorsal lingual arteries from lingual artery.
Nerve supply:
1- Glossopharyngeal nerve.
2- Lesser palatine nerve.
Lymph drainage:
1- Jugulo-digastric nodes.
Surface anatomy:
- Oval area on ramus of mandible, above and infront angle of
mandible.
Dr.Sherif
34. Waldeyer’s Ring of Lymphoid
Tissue
• 1- Nasopharyngeal tonsil
• 2- Palatine tonsils
• 3- Lingual tonsil
• 4- Tubal tonsils
Dr.Sherif
Fahmy
36. Arterial Supply of Pharynx
• 1- Ascending pharyngeal artery.
• 2- Ascending palatine artery.
• 3- Pharyngeal branch from maxillary artery.
• Pharyngeal plexus:
• 1- Pharyngeal branch of glosso-pharyngeal nerve (sensory).
• 2- Pharyngeal branch of vagus (Motor).
• 3- Pharyngeal branch from superior cervical sympathetic
ganglion (sympathetic)
Dr.Sherif
