Anat study Guide 2 + 3

ant belly of digastric innervated by what

mylohyoid nerve branch of V3 trigem nerve

posterior belly of digastric innervated by

facial nerve

stylohyoid muscle innervated by

CN VII

(sits above posterior digastric)

Geniohyoid muscle innervated by

C1 via travel by CN XII (similar to thyrohyoid)

formation of stone in salivary gland (sialolith) which blocks salivary flow and leads to swelling and discomfort when eating meals

Submandibular duct

Innervates all tongue muscles* (i.e. hyoglossus, styloglossus, genioglossus) - Except palatoglossus muscle _____

CN XII

(CN X)

____ sits on top of buccinator

masseter

pierced by the parotid duct

buccinator

Retromandibular vein Lies just ____ to the angle of the mandible and ____ to the posterior digastric muscle

posterior

anterior

CN V1 goes through___ into orbit

superior orbital fissure

V2 goes through ___ to _____and later through ___

Foramen Rotundum

pterygopalatine fossa

infraorbital foramen

V3 goes through ___ and into submandibular formen and then

foramen ovale

submandibular foramen

mental foramen

what are the layers of the scalp

S: skin -

C: connective tissue (dense ) -

A: aponeurotic layer ( epicranius m. and galea aponeurotica) -

L: loose connective tissue -

P: periosteal layer