Fascial spaces

Question 1

Name the boundaries of the submandibular space

Answer 1

Anterior - anterior belly of the digastric muscle
Posterior - Posterior belly of the digastric muscle and stylo hyoid
Superior - inferior and lingual surfaces of the mandibule and the mylohyoid muscle
Inferior - the investing fascia with the digastric muscle at the apex
Lateral - Platysma muscle and investing fascia
Medial Hyoglossus and mylohyoid muscles

Question 2

Contents of Submandibular space

Answer 2

Facial artery and vein, marginal mandibular nerve, mylohyoid nerve and submandibular gland and lymph nodes

Question 3

Boundaries of sublingual space

Answer 3

Anterior = mandible
Posterior = Open
Superior = Oral mucosa of the floor of the mouth
Inferior = Mylohyoid muscle
Lateral = Lingual cortex of mandible
Medial = Muscles of tongue

Question 4

Contents of sublingual space

Answer 4

Sublingual gland, lingual nerve, Whartons duct, hypohlossal nerve and the sublingual artery and vein

Question 5

The masticator space is sub divided into which 4 subspaces?

Answer 5

Masseteric space
Pterygomandibular space
Superficial temporal space
Deep temporal

Question 5

The masticator space is sub divided into which 4 subspaces?

Answer 5

Masseteric space
Pterygomandibular space
Superficial temporal space
Deep temporal

Question 6

Name the boundaries of the submental space

Answer 6

Anterior - Inferior border of md
Posterior - Hyoid bone
Superior - mylohyoid muscle
Inferior - Superficial investing layer of the deep cervical fascia
lateral - anterior belllies of the digastric muscles
no true medial

contents include anterior jugular veins and lymph nodes

Question 7

Buccal space boundaries and contents

Answer 7

Anterior labial musculature
posterior Pterygomandibular rapha
Superior zygomatic arch
inferior inferior border of mandible
lateral skin of cheek
medial is buccinator muscle and overlying buccopharyngeal fascia

Contents = buccal fat pad, buccinator, stenson duct, transverse facial artery and vein