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96 Cards in this Set

  • Front
  • Back
lips, cheeks, hard palate, soft palate, tongue, teeth
oral cavity
the oral cavity is lined by _____________ epithelium
stratified squamous (can be keratinized or non-keratinized)
near the ____________, the skin is devoid of hair follicles and is thicker
muco-cutaneous junction in the lips
keratinized lip mucosa
ruminants and horses
non-keratinized lip mucosa
carnivores and pigs
labial glands (serous or seromucous) distributed in the propria-submucosa
lips (distributed in the propria-submucosa)
skeletal muscle fibers of the orbicular is oris muscle
tunica muscularis of lips
buccinator muscle
middle muscle layer of cheeks
conical buccal papillae
cheek mucosa of ruminants
buccal glands (serous, mucous, or seromucous)
cheeks (distributed in the propria-submucosa)
the vestibule portion of the oral cavity
between cheek and teeth
rugae
transverse ridges of the hard palate mucosa
in the cheeks, the mucosa is _____________________
stratified squamous epithelium which may or may not be keratinized
thick keratinized stratified squamous epithelium
hard palate mucosa
particularly thick hard palate mucosa
ruminants
dense network of capillaries, collagen fibers, and reticular fibers in the propria-submucosa
hard palate
heavily keratinized stratified squamous epithelium overlying a thick layer of dense irregular connective tissue
dental pad
dental pad
ruminants
branched, tubuloacinar, mucous or seromucous palatine glands and lymphatic tisses
propria-submucosa of soft palate
palatine muscles (longitudinally arranged skeletal muscle fibers)
soft palate
keratinized on the dorsal surface and non-keratinized on the ventral surface
tongue
abundance of capillaries and arteriovenous anastamoses which participate in thermoregulation
mucosa of the tongue
intrinsic lingual muscles (skeletal muscles arranged in longitudinal, transverse, & perpendicular directions)
tongue
lingual glands (seromucous)
scattered between the muscle fibers of the tongue
lingual papillae
dorsal surface of the tongue
torus linguae
prominent bulging in the caudal half of the ruminant tongue
filiform, conical, lenticular, fungiform, vallate, and foliate papillae
types of lingual papillae
filiform, conical and lenticular papillae
lingual papillae serving a mechanical function
fungiform, vallate and foliate papillae
lingual papillae serving a gustatory function (have taste buds)
keratinized, slender, thread-like structures with a highly vascular CT core, projecting above the surface of the tongue
filiform papillae
well developed filiform papillae
ruminants & cats
filiform papillae which are very fine threads
horses
papillae which are larger than filiform, but less keratinized
conical lingual papillae
conical lingual papillae in dogs, cats & pigs
present on the root of the tongue
conical lingual papillae in ruminants
present on the torus linguae
conical lingual papillae are not found in _______
horses
conical lingual papillae with a lymphatic tissue core
pigs
keratinized, flattened, lens-shaped projections with a core of dense irregular connective tissue
lenticular papillae
lenticular papillae
found on torus linguae in ruminants (only found in ruminants!)
non-keratinized, mushroom-shaped projections with taste buds on ______ surface and a CT core rich in blood vessels and nerves
fungiform papillae (upper surface)
fungiform papillae with sparse taste buds
horses &cattle
fungiform papillae with numerous taste buds
pigs & sheep
fungiform papillae with most abundant taste buds
carnivores & goats
non-keratinized, large, flattened structures extending only slightly over lingual surface, surrounded by an epithelium lined sulcus, with a CT core rich in blood vessels and nerves
vallate papillae
numerous taste buds occur in the epithelium on the _______ side of the sulcus in vallate papillae
papillary (lateral) side
serous gustatory glands
deep to the sulcus with ducts opening into the sulcus in vallate papillae
stratified parallel folds of lingual mucosa on the caudo-lateral margin of the tongue with taste buds located on the side of the folds
foliate papillae
foliate papillae are absent in ________
ruminants
rudimentary foliate papillae lacking taste buds
cats
a cluster of spindle-shaped epithelial cells extending from the basement membrane to a small pore at the epithelial surface
taste buds (the pore is called the "taste pore")
sustentacular (supportive) cells, gustatory (taste receptor) cells, basal cells
taste buds
closely associated with gustatory cells, are ___________________
non-myelinated, afferent nerve fibers
a cordlike structure composed of white adipose tissue, skeletal muscles, blood vessels, nerves, and enclosed by a dense irregular CT capsule
lyssa
lyssa
in the tongue of carnivores
mid-dorsal fibroelastic cord with hyaline cartilage, skeletal muscle, and white adipose tissue
dorsal lingual cartilage
dorsal lingual cartilage
inside the tongue of horses
enamel, dentine, cementum, pulp cavity
teeth
99% inorganic, 1% organic (the hardest substance in the body)
enamel
70% inorganic, 30% organic
dentine
66% inorganic, 33% organic
cementum (similar to bone composition!)
dental pulp with a core of connective tissue, blood vessels, and nerves
pulp cavity
ameloblasts produce
enamel
odontoblasts produce
dentine
cementoytes produce
cementum
composed of lamellae oriented parallel to the surface of the tooth
cementum
collagen fibers extending from alveolar bone into cementum of tooth
cemento-alveolar (Sharpey's) fibers
cemento-alveolar (Sharpey's) fibers fibers form ____________ which anchors the tooth in the alveolus
the periodontal ligament
short teeth which cease to grow shortly after eruption is completed; have a crown, neck, and root
brachydont teeth
brachydont teeth
all teeth of carnivores and the incisors of ruminants
long teeth which continue to grow throughout life; do not have a crown or neck
hypsodont teeth
hypsodont teeth
cheek teeth of ruminants, all permanent teeth of horses, and the canine teeth of pigs
teeth having an infundibulum (enamel invagination)
hypodont teeth
parotid, mandibular, sublingual, and zygomatic glands
major salivary glands
zygomatic salivary glands
carnivores
labial, lingual, buccal, palatine and molar glands
minor salivary glands
molar salivary glands
cats
the parotid gland is predominantly __________, and structurally a ______________
serous, compound acinar gland
intercalated duct of salivary gland is lined by ________
low cuboidal epithelium
striated duct of salivary gland is lined by ________, with characteristic __________ in the basal portion of the cells
simple columnar epithelium, striations
the striations of striated ducts result from perpendicularly oriented ____________ in the deep infolding of the basal cells membrane
mitochondria
interlobular duct of salivary gland is lined by ________, which changes to _________ as ducts become larger
simple columnar epithelium, stratified columnar epithelium
mandibular salivary gland is ___________, and structurally a ____________
seromucous, compound tubuloacinar gland
serous demilunes discharge their secretions through _________
intercellular canaliculi
the main duct of the sublingual salivary gland is lined by __________
stratified cuboidal epithelium
sublingual salivary glands are _______, and structurally a ____________
seromucous, compound tubuloacinar gland
zygomen granules
apex of parotid salivary gland acinus
the main duct of the sublingual salivary gland is lined by __________
stratified cuboidal epithelium
sublingual salivary gland which is almost entirely mucous with relatively few serous demilunes
cattle, sheep, pigs
mucinogen
found in cells of the mucous secretory unit of mandibular salivary gland
sublingual salivary glands containing clusters of serous acini in additional to typical mucous and serous demilunes
dogs and cats
serous demilunes discharge their secretions through _________
intercellular canaliculi
striated and intercalated ducts in sublingual salivary glands are well developed in ________
horses, ruminants, and pigs
striated and intercalated ducts in sublingual salivary glands are not prominent in __________
dogs and cats
zygomatic salivary glands are predominantly _________, and structurally are ____________; intercalated and striated ducts are almost nonexistent
seromucous, long branched tubuloacinar secretory units
zygomatic salivary glands
only in carnivores! (dogs and cats)
molar salivary glands
only in cats!