Name face muscles 1-3
1.temporalis
2.masseter
3.digastricus
Name muscles of mastication
1.temporalis
2.masseter
3.digastricus
4.mylohyoid
5.medial pterygoid
6.origin of lateral pterygoid
7.tongue
8.mandible
9.zygomatic arch
Name muscles of lips and cheeks 1-6
1.mylohyoid muscle
2.mandible
3.digastric muscle
4.masseter
5.sphenoid bone
6.tympanic bulla
10 muscles of lips and cheeks
Orbicularis oris
Incisive
Nasolabial elevator
Lavatory of the upper lip
Canines muscle
Depressor of upper lip (only in ruminants)
Depressor of lower lip (all species but carnivores
Levator muscle of chin
Zygomatic muscle
Buccinator
Orbicularis oris function
Helps keep mouth closed while eating
Incisive function
Raise upper lip and pull lower lip downwards
Nasolabial elevator function
Opens nostrils and elevates upper lip
Name muscle
Buccinator
Function of Buccinator
Stops food pocketing in cheeks
Name 1+2
1.levator nasolabialis
2.orbicularis oris
Name 1-3
1.levator nasolabialis
2.levator labii superioris
3.caninus
Name 1-3
1.condyloid process
2.coronoid process
3.mylohyoid line
Where does mylohyoid muscle attach?
Mylohyoid line
Temporomandibular joint
-synovial hinge joint
-condoles of mandible and mandibular fossa of temporal bone
-lateral and caudal ligaments
TMJ in other species (herbivores)
-mandibular head is larger
-articulate surface flatter
-disc stronger
(Side to side movement in herbivores)
What is the pharynx?
Cross-point between respiratory and digestive system
What is the oropharynx?
Is part of the pharynx connected with the mouth
What is the roof of the oropharynx?
The soft palate
Walls = pharyngeal walls
Floor = tongue
What is the epiglottis?
-cartilage of larynx
-opens/closes trachea or oesophagus
Name 1-6
1.nasal passages
2.hard palate
3.tongue
4. Digestive (oropharynx and oesophagus)
5.epiglottis
6.airway (larynx and trachea)
Extrinsic muscles of tongue
Styloglossus
Hyoglossus
Thyrohyoid/basihyoid
Genioglossus
Styloglossus function and attachment
Elevator
Tongue to styloid process
Hyoglossus function and attachment
Retracts and depresses
Hyoid apparatus to tongue
Genioglossus function and attachment
Mandibular symphysis, protrudes tongue and retracts tip
Chin to tongue