Glands In The Head And Neck Flashcards
False Capsule of Parotid Gland Derived from
Investing Layer of DCF
_____________ is Thickening of False Capsule of the Parotid Gland
Stylomandibular Ligament
It extends from Styloid Process to Angle of Mandible
Stylomandibular Ligament divides
Floor of the Mouth into
Parotid Fossa
And
Submandibular Fossa
Surfaces of Parotid Gland
Lateral / Superficial Surface
Anteromedial Surface
Posteromedial Surface
Anteromedial surface of Parotid Gland is Grooved by
Ramus of the Mandible
Masseter Muscle (outer surface)
Medial Pterygoid Muscle (inner surface)
Posteromedial Surface of Parotid Gland
- Muscles Attached To Mastoid Process
- Muscles Attached to Styloid Process
- Internal Carotid Artery
- Internal Jugular Vein
- {9, 10, 11, 12}CNs
Muscles related to Posteromedial Surface of Parotid Gland
Attached to Mastoid Process → SCM and Post. Belly of Digastric
Attached to Styloid Process → Styloglossus, Stylohyoid and Stylopharyngeus
Parotid Nodes are Present in the ___________ surface of parotid Gland
Lateral / Superficial Surface of Parotid Gland
Origin of Stenson’s Duct
Stenson’s / Parotid Duct arise from ~ Anterior Border of Parotid Gland
Opening of Stenson’s Duct
Into mucosa of Cheek opposite to 2nd Molar Tooth
Structures piercing Buccinator Muscle
Buccal Branch of Mandibular Nerve
Stenson’s/ Parotid Duct
Molar Mucus Glands
Structures passing through the Parotid Gland (superficial to deep)
Facial Nerve
Retromandibular Vein
External Carotid Artery
Facial Nerve Branches in the Parotid Gland
Temporofacial nerve
Cervicofacial nerve
Maxillary Vein + Superficial Temporal Vein gives
Retromandibular Vein
Anterior Division of Retromandibular Vein + Facial Vein forms
Common Facial Vein
Ant. Division Of Retromandibular Vein + _________________ →
Common Facial Vein
Facial Vein
_____________ Division of Retromandibular Vein + Post. Auricular Vein → External Jugular Vein
Posterior Division Of Retromandibular Vein
The Detached Part of Facial Process of Parotid Gland gives ___________
Accessory Parotid Gland
Location of Accessory Parotid Glandular
B/W Zygomatic Arch and Parotid Duct
Watery Secretion from Parotid Gland is due to _____________ Nervous System
Parasympathetic Nervous Systemwide
Sympathetic Supply to Parotid Gland is Responsible for
Thick Mucus Secretion
PostGanglionic Parasympathetic Fibres from the Otic Ganglion are given to Parotid Gland via
Auriculotemporal Nerve
Damage To Auriculotemporal Nerve after Parotid Surgeries lead to regeneration of Auriculotemporal Nerve is a/w
Frey’s Syndrome
Regenerated Auriculotemporal Nerve will innervate Sweat Glands ~instead of Parotid Gland
Sympathetic Fibres to Parotid Gland are Derives from
Superior Cervical Ganglion →
Plexus Over Middle Meningeal Artery
Inferior Salivary Nucleus →
IX Cranial Nerve
→
→
→
→ Otic Ganglion
→
→Parotid Gland
Inferior Salivary Nucleus →
IX Cranial Nerve
→Tympanic Branch of IX
→Tympanic Plexus
→ Lesser Petrosal Nerve
→
→Auriculotemporal Nerve
→Parotid Gland
Parasympathetic Fibres To Parotid Gland Derived From Which Nucleus
Inferior Salivary Nucleus
Embryonic Origin Of Parotid Gland
Ectodermal Origin
Developed By The End of 6th Week
Embryonic Origin Of Submandibular And Sublingual Glands
Endodermal Origin
________________ Muscle dividing Submandibular Gland Into ___________ And _________ Part
Mylohyoid Muscle
Divides it into Superficial and Deep Part
Deep Part of Submandibular Gland is Superficial to ___________ Muscle
Hyoglossus Muscle
Superficially Part Of Submandibular Gland is Superficial to _______ Muscle
Mylohyoid Muscle
Submandibular Duct / Wharton Duct is Closely related to _________ Nerve
Lingual Nerve
Submandibular Gland opens into
The Sublingual Papillae on either side of Frenulum of Tongue
Parasympathetic Fibres to Submandibular Gland Originate From Which Nucleus
Superior Salivary Nucleus
Sympathetic Fibres To Submandibular Gland derived ftom
Superior Cervical Ganglion To Sympathetic Plexus Over Facial Artery
Superior Salivary Nucleus →
→
→
→
→Submandibular Ganglion
→ ____________ Gland
And
____________ Gland
Superior Salivary Nucleus →
→ Facial Nerve
→ Chorda Tympani Nerve
→Lingual Nerve
→
→ Submandibular Gland
and
→ Sublingual Gland
True Capsule Of The Glands is Derived From
Condensation Of Fibrous Stroma
False Capsule Of Thyroid Gland Is Derived From
PreTracheal Layer
Thickening of PreTracheal Layer Posteriorly Forms
Ligament of Berry
Apex of Lateral Lobe (of thyroid gland) reaching upto
Oblique Line of Thyroid Cartilage
Apex of Thyroid Gland is related to which
___________ artery
___________ nerve
Superior Thyroid Artery
External Laryngeal Nerve
Base of the Thyroid Gland Reach up to
4th / 5th Tracheal Ring
Base of Thyroid Gland is related to which
___________ artery
___________ nerve
Inferior Thyroid Artery
Recurrent Laryngeal Nerve
Location of Isthmus of Thyroid Gland
Over 2nd, 3rd, 4th Tracheal Ring
2 Superior Parathyroid Glands derived From
4th Endodermal Pouch
Has Constant Position
Inferior Glands Of Parathyroid Gland Derived From
3rd Endodermal Pouch
Has No Constant Position
Formed along with Thymus
Artery supplying the Parathyroid Gland
Superior Branch of Inferior Thyroid Artery
Venous Drainage From Parathyroid Gland
- _______________ to Internal Jugular Vein
- _______________ to Internal Jugular Vein
- ______________to Brachiocephalic Vein
- Superior Thyroid Vein
- Middle Thyroid Vein
- Inferior Thyroid Vein
2 Superior Parathyroid Glands derived From
4th Endodermal Pouch
Has Constant Position
Inferior Glands Of Parathyroid Gland Derived From
3rd Endodermal Pouch
Has No Constant Position
Formed along with Thymus
Artery supplying the Parathyroid Gland
Superior Branch of Inferior Thyroid Artery
Venous Drainage From Parathyroid Gland
- _______________ to Internal Jugular Vein
- _______________ to Internal Jugular Vein
- ______________to Brachiocephalic Vein
- Superior Thyroid Vein
- Middle Thyroid Vein
- Inferior Thyroid Vein
Structures in midline and are prone to damage during Tracheostomy are
Isthmus
Arteria Thyroid Ima
Inferior Thyroid Vein
Arteries Present In The Parotid Gland
- ECA which terminates into
- Maxillary Artery and
- Superficial Temporal Artery
- Transverse Facial Artery branch of Superficial Temporal Artery
Location of Otic Ganglion
Superiorly
Laterally
Medially
Posteriorly
Superiorly - Foramen Ovale
Laterally - Mandibular Nerve
Medially - Tensor veli palatini
Posteriorly - Middle Meningeal Artery