Anatomy Flashcards
Muscles of mastication
Masseter
Temporalis
Lateral pterygoids
Medial pterygoids
Which of these close the mouth
Masseter, temporalis and medial pterygoids
Which one helps open the mouth
Lateral pterygoid (2 heads)
What are the muscles of the soft palate
Levator veli palatini Tensor veli opalatini Palatoglossus Palatopharyngeus Muscularis uvulae
Where is there masicatory mucose in the mouth
upper tonuge
hard palate
KERATINIZED STRATIFIED SQUAMOUS
Where is there lining mucose
lower tongue
soft palate
NON-KERATINIZED STRATIFIED SQUAMOUS
Which bones contribute to hard palate
maxilla
palatine
Teeth of each quadrant of mouth (medial to lateral)
central incisor lateral incisor cuspid 1,2 premolar 1,2,3,molar
Purpose of Waldeyers rign
produce b cells against inhaled/ingested agressors
What structure divides ant 2/3 of tongue from the post 1/3
sulcus terminalis
Which papilla are sensitive to touch and taste?
Circumvillate - taste
Fungiform - taste
Foliate - touch
Nerves to ant 2/3/of tongue
Gen sensation - Mandibular nerve
Taste - chorda tympani off facial nerve
Nerves to post 1/3 of tongue
Glossopharyngeal for both gen sensation and taste
Where does parotid gland open into
Pierces buccinator to enter opposite upper 2nd molar tooth
Submandibular and sublingual
Either side of lingual frenulum immediately post to teeth
Structures within parotid gland
Facial nerve External carotid sup. temporal maxillary artery retromandibular vein
Epithelia lining nasopharynx
psudostratified columnar ciliated
Epithelia lining oro and laryngopharynx
stratified squamous epithelia
Muscles of the pharynx
Salpingopharyngeus (thin at top) Palatopharyngeus (to tonuge) Stylogpharyngeus (lowest down) Sup constrictor (fat at top) middle constrictor Inf constrictor
What cervical level does oesophagus begin
C6
Ant. relation of oesophagus
Trachea to t4/5
Recurrent laryngeal nerves
L bronchus
Post. relation of oesophagus
verterbrae
thoracic duct crosses to left at T5
ascending aorta
lateral relations
lungs
aorta and thoracic duct on left
