TOPIC 6C. Pharynx, oesophagus, blood supply and innervation

Question 1

what is the pharynx

Answer 1

common cavity between respiratory and digestive system

Question 2

what does the pharynx connect

Answer 2

oral cavity, nasal cavity and larynx

Question 3

what are the 3 parts of the pharynx

Answer 3

oropharynx, nasopharynx and laryngopharynx

Question 4

dorsal border of pharynx

Answer 4

base of skill, c1, c2

Question 5

ventral border of pharynx

Answer 5

larynx and mandible

Question 6

what separates the pharynx into its dorsal and ventral parts

Answer 6

the soft palate

Question 7

what lines the pharynx

Answer 7

respiratory mucosa

Question 8

where do the 2 portions of the pharynx meet

Answer 8

ostium intrapharyngeum

Question 9

what suspends the pharynx

Answer 9

palatopharyngeal arches

Question 10

what do sus have

Answer 10

diverticulum pharynx

Question 11

what do un have

Answer 11

rec pharyngues

Question 12

name the 7 openings of the pharyngeal cavity

Answer 12

choanae (paired)
isthmus fauciem
auditus laryngei
auditus oesophagei
ostium pharyngeus tubae auditivae (paired)

Question 13

name the cranial muscles of the pharynx

Answer 13

mm pterygophargei

m palatopharyngeus

Question 14

name the middle muscles of the pharynx

Answer 14

m stylopharyngeus

m hyophargeus

Question 15

name the caudal muscles of the pharynx

Answer 15

m thyropharngeus

m cricopharyngeus

Question 16

which muscle is the only one to dilate the pharynx

Answer 16

m stylopharyngeus

Question 17

where does the oesophagus begin and end

Answer 17

dorsal to the cricoid cartilage of the larynx

ends entering the cardia of the stomach

Question 18

where does the oesophagus run

Answer 18

left of trachea, then dorsal to it in thoracic cavity, then along base of heart

Question 19

how does the oesophagus enter the abdominal cavity

Answer 19

through hiatus oesophagi in the diaphragm

Question 20

what flanks the oesophagus

Answer 20

dorsal and ventral branches of n vagus

Question 21

parts of the oesophagus

Answer 21

cervical, thoracic and abdominal

Question 22

layers of the oesophagus

Answer 22

mucosal (epithelial, lamina proprium, lamina musc)
submucosal
muscular (longitudinal and circular)
adventitia/serosa/peritoneum

Question 23

blood supply to oesophagus

Answer 23

a bronchoesophagea, rr oesophagi

Question 24

innervation of oesophagus

Answer 24

sympathetic trunk and n vagus (dorsal and ventral branches)

Question 25

narrowing of the oesophagus

Answer 25

thoracic inlet, base of heart and oesophageal hiatus

Question 26

blood supply of pharynx

Answer 26

a thyroidea cran and caud
a laryngea cran
a pharyngea ascendens

Question 27

pharyngeal innervation

Answer 27

n laryngeal cran (ex n vagus)

n laryngeal caud (ex n laryngeus recurrens)

Question 28

tonsils

Answer 28

tubal tubae auditivae (ru and sus)
choanal
palatine (not in sus)
lingual (large in eq, bo)
pharyngeal