The palate and faucial isthmus
He who guards his mouth and his tongue keeps himself from calamity.
Proverbs 21:23
Ph.D., Dr. David Lendvai
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Anatomy and Function of the Hard and Soft Palate and Isthmus of the Fauces, Slides of Anatomy
An in-depth exploration of the anatomy and functions of the hard and soft palate, as well as the isthmus of the fauces. Topics covered include the structures and muscles of the hard and soft palate, their histology, and their blood supply and innervation. The document also discusses the role of the palatine tonsil in the immune system.
What you will learn
- What structures are found on the roof of the oral cavity?
- What is the histology of the hard palate?
- What muscles make up the muscles of the soft palate?
- What are the borders of the oral cavity proper?
- What is the role of the palatine tonsil in the immune system?
Typology: Slides
2021/2022
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The palate and faucial isthmus
He who guards his mouth and his tongue keeps himself from calamity. Proverbs 21: Ph.D., Dr. David Lendvai
Parts of the oral cavity
Etrance of the oral cavity
- Philtrum
- Upper & lower lip
- Angulus
- Rubor labii
- Nasolabial groove (Facial palsy)
Roof of the oral cavity:
hard and soft palate
Hard and soft palate
Muscles of the soft
palate
- Levator veli palatini m.
- Tensor veli palatini m.
- Palatoglossus m.
- Palatopharyngeus m.
- M. uvulae
Muscles of the soft palate
Structures of the hard and soft palate
- mucous membrane
- palatine glands
- bone / muscles
Histology of the hard palate
Mucoperiosteum
Leukoplakia
(precancerosal stage!!!)
Allergic reaction
ISTHMUS OF THE FAUCES
Borders: superior: soft palate inferior: root of the tonque lateral: palatoglossal and palatopharngeal arch / fold
Waldeyer’s lymphatic ring
- pharyngeal tonsil
- tubarian tonsils
- palatine tonsils
- lingual tonsil Blood supply of palatine tonsil:
- descending palatine artery (maxillary a.)
- ascending palatine a. (facial a.)
- ascending pharyngeal artery (external carotid)
- lingual artery (external carotid)