Digestive system 2. (dentition and pharynx)

Question 1

define heterodonty

Answer 1

various types of teeth in the same individual

Question 2

define diphyodont

Answer 2

is any animal with two successive sets of teeth, initially the deciduous set and consecutively the permanent set.

Question 3

define monophydont and give type of animal

Answer 3

one set of teeth, rodents

Question 4

define polyphydont and example

Answer 4

many sets of teeth (sharks)

Question 5

Define diastema

Answer 5

is a gap between teeth

Question 6

Define hypsodont

Answer 6

is a pattern of dentition with high-crowned teeth and enamel extending past the gum line, providing extra material for wear and tear.

e.g. cow cheek teeth and horse dentition

Question 7

Define brachydont

Answer 7

(„short teeth“) or low-crowned teeth: cease to grow after eruption is completed;

in man, Car, su and Ru incisors

Question 8

Two unique morphological structures of the cheek teeth of eq and Ru

Answer 8

infundibulum dentis in the cheek teeth

and sharp enamel crests = crista enameli

Question 9

incisors, latin

Answer 9

dentes incisivi: sg. dens incisivus

Question 10

canines in latin

Answer 10

dentes canini: sg. dens caninus

Question 11

premolars and molars in latin

Answer 11

dentes premolares et molares:

sg. dens premolaris and dens molaris

Question 12

translate and define wolf tooth

Answer 12

dens lupinus: small rudimentary inconstant tooth (P1) in eq

Question 13

translate and define carnassial or sectorial tooth

Answer 13

dens sectorius:

largest shearing teeth, 4th upper premolar and 1st lower molar in Car

Question 14

give an example of tricuspid teeth

Answer 14

canine upper incisors (tricuspid = 3 points)

Question 15

translate vestibular surface: and can be divided into what two divisions

Answer 15

facies vestibularis: labial surface and buccal surface

Question 16

surface directed towards the tongue

Answer 16

lingual surface (facies lingualis)

Question 17

translate contact surface: and what two further divisions

Answer 17

facies contactus:

toward next rostral tooth is facies mesialis

and adjacent to the next caudal tooth is facies distalis

Question 18

masticatory or occlusal surface

Answer 18

facies occlusalis

Question 19

canine number of teeth in adulthood

Answer 19

42

Question 20

canine number of teeth in puppyhood

Answer 20

28

Question 21

feline number of teeth in adulthood

Answer 21

30

Question 22

feline number of teeth in kittenhood

Answer 22

26

Question 23

what age are equine permanent teeth fully erupted by

Answer 23

3.5-4.5y

Question 24

what age are bovine permanent teeth are fully erupted by

Answer 24

2-2.5 y

Question 25

3 main pharynx divisions

Answer 25

nasopharynx /pars nasalis pharyngis oropharynx /pars oralis pharyngis laryngopharynx /pars laryngea pharyngis

Question 26

4 parts of the oropharynx

Answer 26

palatoglossal arches /arcus palatoglossus epiglottis the fauces isthmus of the fauces /isthmus faucium

Question 27

3 parts of the nasopharynx

Answer 27

intrapharyngeal opening /ostium intrapharyngeum palatopharyngeal arches /arcus palatopharyngeus pharyngeal diverticulum /diverticulum pharyngeum in SU

Question 28

parts of the laryngopharynx

Answer 28

piriform recesses /recessus piriformis oesophageal vestibule /vestibulum esophagi mucosal fold called the pharyngoesophageal threshold /limen pharyngoesophageum in CAR

Question 29

translate auditory tube opening and connects what

Answer 29

ostium pharyngeum tubae auditivae, connects the nasopharynx and the middle ear

Question 30

pharyngeal tonsil

Answer 30

tonsilla pharyngea

Question 31

tubar tonsil in latin and occurs where in what animals

Answer 31

tonsilla tubaria occurs at the opening of the the auditory tube (opens into nasopharynx) in su, ru, sometimes eq

Question 32

palatine tonsil and where

Answer 32

tonsilla palatina is situated in the lateral wall of the oropharynx

Question 33

veli palatine tonsil and where

Answer 33

tonsilla veli palatini on the oral surface of the soft palate in su and eq

Question 34

paraepiglottic tonsil

Answer 34

tonsilla paraepiglottica laterally to base of epiglottis in fe, su, ov, cap

Question 35

lingual tonsil

Answer 35

tonsilla lingualis located on the roof of the tongue

Question 36

what are tonsils

Answer 36

lymphoreticular tissue, which aggregates to form lymphatic tissue nodules also called tonsils play role as immunological barrier

Question 37

esophagus divided into what 3 parts

Answer 37

pars cervicalis, thoracica and abdominalis

Question 38

why is regurgitation and vomiting extremely rare in horses

Answer 38

the esophagus enters the stomach at a sharp angle in addition to a strong lower esophageal sphincter (into cardia) that acts as a one-way valve

Question 39

define haplodont

Answer 39

Having the crowns of the molar teeth simple or single, and not divided into ridges, etc.

Question 40

define bunodont

Answer 40

having cusps that are separate and rounded ie. peoples', pigs'

Question 41

define secodont

Answer 41

of, relating to, or having teeth adapted for cutting ie. Carnivora possess carnassials, or secodont teeth

Question 42

define lophodont

Answer 42

having or constituting molar teeth with transverse ridges on the grinding surface ie. are common in herbivores that grind their food thoroughly like horses

Question 43

define selenodont

Answer 43

(of molar teeth) having crescent-shaped ridges on the grinding surfaces, characteristic of ruminant mammals. ie. cows

Question 44

define hypsodont

Answer 44

with high-crowned teeth

Question 45

define mesodont

Answer 45

having medium-sized teeth

Question 46

define brachydont

Answer 46

with low-crowned teeth

Question 47

unique morphological feature of the equine incisors' occlusal surface

Answer 47

dental cups

Question 48

number of teeth in an adult horse

Answer 48

on average 40

Question 49

number of teeth in an adult bovine

Answer 49

32

Question 50

translate palatine raphe

Answer 50

raphe palati

Question 51

adult feline cheek teeth numbers, upper and lower arcades

Answer 51

upper: 3 premolars, 1 molars lower: 2 premolars, 1 molar

Question 52

adult canine cheek teeth numbers, upper and lower arcades

Answer 52

upper: 4 premolars, 2 molars lower: 4 premolars, 3 molars

Question 53

adult pig teeth numbers and how many premolars and molars

Answer 53

I - 3/3 C - 1/1 P - 4/4 M - 3/3 = 22 x 2 = 44