Chapter 6 - Gut Flashcards
3 terms for the system that is a long muscular tube from mouth to anus?
digestive, alimentary, and gastrointestinal (GI) systems
aliment/o
nourishment
or/o
stomat/o
mouth
gnath/o
jaw
prognathia
elongated mandible
brachygnathia
shortened mandible
labia
lips
labium
single lip
cheil/o
labi/o
lips
bucc/o
cheek
buccal
pertaining to cheek
palate
roof of mouth
hard palate
bony rostral portion of palate
rugae
irregularly folded mucous membrane (as found in hard palate, stomach)
rug/o
wrinkle or fold
soft palate
flexible caudal potion of palate
palat/o
palate
papillae
elevations found on dorsal tongue
filiform
mushroomlike papillae
fungiform
cup-shaped papillae (tastebuds found here + vallate)
vallate
papillae where tastebuds are found
frenulum
CT connecting tongue to ventral surface of oral cavity
gloss/o
lingu/o
tongue
lingual surface
side of cheek adjacent to tongue
dent/o
dent/i
odont/o
teeth
dentition
teeth as a whole (maxillary + mandibular arcades)
deciduous dentition
temporary set in young animals
decidu/o
shedding
permanent dentition
adult teeth
retained deciduous tooth
baby tooth that didn’t shed
incisor
front tooth used for cutting
canine
between incisors and premolars (AKA fang or cuspid [one point])
premolar
between canine and molar (AKA bi cuspids [2 points])
molar
most caudal teeth, used for grinding
dental formula
shorthand for tooth type and number
- always begins with a 2 to indicate symmetry
ex. 2 (I 3/3, C 1/1, P 4/4, M 2/3) = 3 incisors, 1 canine, 4 premolars, 2 molars … on maxilla, mirroring set on mandible
= 42 total on dog
dental formula
shorthand for tooth type and number
- always begins with a 2 to indicate symmetry
ex. 2 (I 3/3, C 1/1, P 4/4, M 2/3) = 3 incisors, 1 canine, 4 premolars, 2 molars … on maxilla, mirroring set on mandible
= 42 total on dog
enamel
hard white substance covering dentin of crown of tooth
cementum
bonelike CT covering tooth root
dentin
CT surrounding tooth pulp
pulp
nerves, vessels, loose CT of tooth
apical foramen
hole at tip of tooth root where nerves and vessels enter
periodontia
structure supporting teeth
alveoli
sockets teeth sit in
alveolar bone
thing layer of compact bone forming tooth socket
periodontal ligament
fibrous structure holding tooth to alveolus (socket)
gingiva
mucous membrane surrounding tooth, forms mouth lining (AKA gums)
gingiv/o
gums
gingival sulcus
space in gums surrounding tooth
salivary glands
secrete saliva
saliva
contains digestive enzymes, begins digestive process (mandibular, sublingual, zygomatic, and parotid [near ear])
para-
near
ot/o
ear
sialaden/o
sial/o
salivary glands
endodontics
branch of dentistry - tooth pulp diseases
exodontics
branch of dentistry - extraction of teeth
orthodontics
branch of dentistry - correction of malocclusion
periodontics
branch of dentistry - diseases of tooth-supporting structures
pharynx
cavity in caudal oral cavity that connects respiratory to GI system (AKA thorat)
pharyng/o
pharynx
mastication
chewing
ingesta
material taken in orally
ptyalism
hypersialosis
hypersalivation
sial/o
ptyal/o
saliva
deglutition
swallowing
phago/o
eating/ingestion
esophagus
collapsible, muscular tube from oral cavity to stomach
- dorsal to trachea
esopag/o
esophagus
sphincter
ringlike muscle that constricts an opening
abdomen
cavity between diaphragm and pelvis
abdomin/o
celi/o
abdomen
lapar/o
abdomen + flank
peritoneum
membrane lining covering abdominal and pelvic cavities
parietal: lines cavities
visceral: lines organs
lesser omentum
fold in peritoneum that connects connects stomach to visceral organs
greater omentum
fold in peritoneum that connects connects stomach to dorsal organs
gastr/o
stomach
monogastric
one glandular ‘AKA true’ stomach (stomach that makes secretions for digestion) animals
ruminant
one glandular stomach + 3 forestomach (outpouchings of esophagus) animals
glandular stomach
produces secretions
cardia
entrance of stomach, near esophagus
fundus
cranial, rounded base of stomach
body/corpus
rounded bottom of stomach, main part
antrum
caudal part of stomach, constricted, joins pylorud
pylorus
narrow passage between stomach and duodenum
pylor/o
gatekeeper (pylorus)
pyloric sphincter
muscle ring controlling flow from stomach to duodenum
rugae
folds in the mucosa of stomach. contain glands that make gastric juices
intestinal flora
microorganisms in GI tract
cud
regurgitated and remasticated food + rumen microganisms of ruminants
rumen/paunch
largest part of ruminant stomach, fermentation occurs here
reticulum
cranial ruminant stomach AKA honeycomb (intersecting mucous membranes)
omasum
third part of ruminant stomach, has papillae that grind food, contracts to squeeze fluid out
abomasum/true stomach
4th part of ruminant stomach, glandular enzymes for digestion
mesentry
fold in peritoneum that attaches small intestine to abdominal wall
enter/o
small intesetine
gastroenterology
study of stomach + small intestine
rumination
process of bringing food up from stomach to the mouth for further chewing
duodenum
proximal part of small intestine (most ‘oral’ part)
duoden/i
duoden/o
duodenum
jejunum
middle portion of small intestine
jejun/o
jejunum
ileum/aboral
most distal portion of small intestine
ile/o
ileum
chyle
milky fluid in food that has been digested
cecum
portion of large intestine connected to ileum
colon
2nd portion of large intestine, made of ascending, transverse, and descending parts
rectum
most caudal portion of large intestine
anus
most caudal opening of GI tract, controlled by anal spincter
cec/o
cecum
col/o
colon
haustra
sacculations in colon + cecum of pigs and horses (‘buckets’ that retain material so it has more time to digest)
teniae
longitudinal bands of smooth muscle in cecal wall, form haustra
rect/o
rectum