Histology

Front 1

Skeletal muscle base covered by a squamous keratinized epithelium, small labial glands, producing a serous secretion

Back 1

Lips

Front 2

Mucus membrane covered by a squamous stratified non keratinized epithelium on a vascularized lamina propria; few minor salivary glands with mucous and sero-mucous secretions

Back 2

Oral Cavity Proper

Front 3

Squamous stratified non/poorly keratinized epithelium richly vascularized (can hemorrhage) and covered with parakeratinized epithelium with long rete ridges (squamous cells maintained or not… gross whitish coloring,)

Back 3

Gingiva

Front 4

Teeth

Back 4

Grow from oral neuroectoderm and oral mesoderm

Front 5

Oral neuroectoderm

Back 5

dental lamina
ameloblast
enamel to crown formation

Front 6

Oral mesoderm

Back 6

W/i tooth bud: odontoblasts
predentin
dentin

Front 7

Dentin

Back 7

becomes bonelike surrounding the pulp chamber, canal, and dental pulp

Front 8

First sign of Scurvy

Back 8

bleeding because collagen of Sharpey's fibers needs to be synthesized and renewed every 24-48 hours

Front 9

Stages of tooth development

Back 9

1) Bud
2) Cap
3) Bell
4) Apposition
5) Early root formation
6) Late root formation
7) Eruption

Front 10

Enamel

Back 10

Hardest extracellular matrix in body. Even harder than the bone.

Front 11

Ameloblast

Back 11

Enamel formation

Front 12

Odontoblasts

Back 12

Dentin formation

Front 13

Cementocytes

Back 13

Cementum formation (holds teeth to gingiva)

Front 14

Only place in body where epithelium becomes reticulum

Back 14

Stellate reticulum in tooth. In between outer and inner enamel layers.

Front 15

Lipocalin

Back 15

Small protein group that can be found secreted along with the mucus lingual glands, used as antibacterial and mediators of immune response, etc

Front 16

Taste buds

Back 16

neuroepithelium with 3 cell types: salt, sour, and bitter and sweet. Gustatory sensations.

Front 17

Cell type of tongue

Back 17

stratified squamous non keratinized and keratinized epithelium

Front 18

Tongue papillae

Back 18

1) Filiform - no taste buds, all over tongue
2) Fungiform - taste buds on apices
3) Foliate - shallow lat aspect of tongue only in infants
4) Circumvallate - 10-15 large, v-shaped, post., taste buds washed by Von Ebner glands

Front 19

Von Ebner Glands

Back 19

serous and mixed sero-mucous minor salivary glands (secrete lipocalin, an antibacterial compound)

Front 20

4 Cell types of taste bud

Back 20

dark, light, intermediate, and basal

Front 21

Name salivary glands and composition

Back 21

Parotid (serous; zymogen, amylase, IgA)
Submandibular (mixed, mainly serous; lactoferrin, lysozyme)
Sublingual (mainly mucous; peptide-secreting in lumen)

Front 22

5 tunics of the tube

Back 22

mucosa, submucosal, muscularis externa, subserosal layer, and serosal layer (aka adventitial layer)