Tongue Flashcards
Anterior 2/3rd and Post 1/3rd of the Tongue is divided by
Sulcus Terminalis
Lingual Aggregation; i.e; Lymphoid Tonsils present in
Posterior 2/3rd of Tongue
Projection of Lamina Propria which contains Taste Buds are
Papillae
Papillae in front of Sulcus Terminalis
Circumvallate Papillae
Papillae present at the Margins/Sides of Tongue near the sulcus Terminalis
Foliate Papillae
Anterior 2/3rd of Tongue Derived From _______ Arch
1st Arch
Posterior 1/3rd of Tongue derived from ______ Arch.
3rd arch
Posterior Most part of the Tongue derived from
4th Arch
Glossopharyngeal Nerve Carries which sensations and from which part of the tongue?
Both General and Taste Sensation from Posterior 1/3rd of Tongue
Which nerve Carries Taste Sensation From anterior 2/3rd of Tongue
Chorda Tympani branch of Facial Nerve
Posterior Most Part of the Tongue supplied by which Nerve and what sensation it carries
Vagus Nerve
From posterior most part of tongue;
Carries Both General And Somatic Sensation
Lingual Nerve Carries what sensation and from which part of the tongue
General Sensation from Anterior 2/3rd of tongue
All the Papillae are supplied by ___________ Nerve.
Except __________
which is supplied by __________ Nerve.
All the Papillae are supplied by Chorda Tympani Nerve.
Except Circumvallate Papillae
which is supplied by IX Cranial Nerve.
The only muscle to cause Protrusion of tongue (or) Safety muscle of tongue
Genioglossus Muscle
From mandible to tongue
Depression + Retraction of Tongue are action of which tongue muscle
Hyoglossus
From Hyoid bone to the tongue
Action of Styloglossus Muscle
Elevation and Retraction of Tongue
Action of Palatoglossus Muscle
Elevation of Tongue
All muscle of tongue are derived from ____________.
Except ____________ , is derived from _______________
All muscle of tongue are derived from SOMITES
Except Palatoglossus, is derived from 4th Pharyngeal Arch (Neural Crest Cells)
All muscle of tongue are supplied by ____________.
Except ____________ , is supplied by_______________
All muscle of tongue are supplied by 12th Nerve.
Except Palatoglossus, is supplied by Pharyngeal Plexus.
Nerve close to Greater Horn of Hyoid Bone get affected on the Right Side.
What happens to Patient?
Tongue will deviate towards the lesion ~ right side
Right Hypoglossal Nerve injured
Structures forming Lateral/Superficial relations to Hyoglossus Muscle
6 in Number
- Styloglossus Muscle
- Lingual Nerve
- Submandibular Ganglion
- Deep Part of Submandibular Gland
- Duct of Submandibular Gland
- 12th Cranial Nerve
Structures forming Medial/Deep relations to Hyoglossus Muscle
in Number
A. Stylohyoid Muscle
B. Glossopharyngeal Nerve
C. Stylopharyngeal Muscle
D. Middle Constrictor
E. Lingual artery
Lymphatics from Tip of the tongue is draining into
Submental Nodes
Lymphatics from the Margin of anterior 2/3rd Tongue
is draining into →
Ipsilateral Submandibular Node
Lymphatics from Centre of anterior 2/3rd of Tongue
is draining into →
Bilateral Submandibular Node
Lymphatics from Posterior 1/3rd of Tongue
is draining into →
Upper Deep Cervical / JuguloDigastric Nodes
All Nodes drain into →
Jugulo-Omohyoid Nodes
The Principal Node of the Tongue
Jugulo-Omohyoid Node
