RETROPHARYNGEAL SPACE
- Situation: Dead space behind
pharynx.
- Function: Acts as a bursa for expansion of pharynx during deglutition
Boundaries:
- Anterior: Buccopharyngeal fascia
- Posterior: Prevertebral fascia
- Sides: Carotid sheath
- Superior: Base of skull
- Inferior: Open and continuous with superior mediastinum.
Contents: Retropharyngeal lymph nodes, pharyngeal plexus of vessels and nerves/ loose areolar tissue.
Clinical anatomy: Pus collection due to lymph node abscess. It should be differentiated from cold abscess of spine of cervical vertebrae
LATERAL PHARYNGEAL
SPACE
- Situation: Side of pharynx
- Medial: Pharynx
- Posterolateral: Parotid gland
- Anterolateral: Medial
Pterygoid
- Posterior: Carotid sheath
- Contents: Maxillary nerve and branches of maxillary artery
- Clinical Anatomy: Pus collection/Ludwig's angina
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