Enamel And Salivary Glands

Front 1

When does amelogenesis occur

Back 1

Only during the tooth development

Front 2

The shape of the rods are

Back 2

Keyhole, cut in cross section spec

Front 3

Specific shape of rods relate the the specific shape of

Back 3

Tome’s process of ameloblasts

Front 4

Rods are separated by

Back 4

Thin rods/prism sheaths

Front 5

Enamel is laid down in regular increments called

Back 5

Rod Segment

Front 6

Represent areas of less mineralized bc HA crystals are not as tightly packed where there is abrupt change in crystal orientation from one rod to another

Back 6

Rod sheaths

Front 7

Relationships of the rod to the ameloblast is at

Back 7

An angle

Front 8

Each rod is formed by ____ ameloblasts

Back 8

4

Front 9

Head is formed by _____ ameloblasts

Back 9

1

Front 10

Tail is formed by _____ ameloblasts

Back 10

3

Front 11

*Each ameloblasts contributes to the formation of four different rods

Back 11

*

Front 12

Forms when ameloblast lacks a distinct tones process

Back 12

Aprismatic enamel

Front 13

The direction of enamel rods is

Back 13

Perpendicular to the DEJ and the tangent of the outer enamel surface

Front 14

Bundles of rods appear to intertwined irregularly, below the cusp/ incisal edges

Back 14

Gnarled enamel

Front 15

Represents the histologic manifestation of the normal diurnal activity

Back 15

Incremental lines

Front 16

Represents the histologic manifestation of a disruption of the normal diurnal activity of ameloblasts

Back 16

Stripes of retzius

Front 17

Represents the clinical manifestation of a disruption of the normal diurnal activity of ameloblasts

Back 17

Perkikymata

Front 18

Optical effect of the alternating directions of groups of rods near the DEJ

Back 18

Hunter-Schreger bands

Front 19

Manifestation of areas of hypo mineralization along planes of tension as rods change their direction near the DEJ

Back 19

Enamel tufts

Front 20

Represents the extension of odontoblastic processes and associated dentinal tubules from the dentin into the enamel near the DEJ

Back 20

Enamel spindles

Front 21

Fractures to enamel that occurred during and after tooth development and that fill in with organic materials

Back 21

Enamel lamellae

Front 22

Scalloped with peak or convections directed toward dentin

Back 22

Dentinoenamel junction

Front 23

Age changes of enamel

Back 23

Attrition

Loss of perikymata

post eruptive maturation

continues after tooth irruption

Front 24

Enamel formation follows a directional pattern, taking place first along the future DEJ in the _______ area and then progressing toward the _______ area

Back 24

Occlusal

Cervical

Front 25

*Enamel matrix undergoes maturation along the entire length of the rod once all segments of enamel matrix have been laid down

Back 25

*

Front 26

Predispose one to varies by providing a pathway for the spread of caries

Back 26

Enamel lamellae

Front 27

Caries spread laterally at the DEJ due to hypomineralized

Back 27

enamel tufts and enamel spindles

Front 28

Is the general term used to describe the functional epithelial component making up a saliva gland

Back 28

Parenchyma

Front 29

Is the general term used to describe the supporting CT which surrounds and invests a salivary gland

Back 29

Stroma

Front 30

CT which surrounds the entire gland

Back 30

Capsule

Front 31

The investing CT fibers are referred to as the

Back 31

Septa

Front 32

These CT fibers divide the parenchyma of the gland into sections

Back 32

Lobules

Front 33

The innervation that is watery, high enzyme but low organic

Back 33

Parasympathetic

Front 34

The innervation that is viscous, low enzyme, but high organic

Back 34

Sympathetic

Front 35

The portion of the gland that produces saliva

Back 35

Acinus

Front 36

Acinus that produces a watery high protein material

Back 36

Serous

Front 37

Acinus that produces a viscous substance rich in glycoproteins

Back 37

Mucous

Front 38

Acinus that consists of mucous cells capped with serous cells at their distal ends

Back 38

Mucoserous

Front 39

Ducts that are found in the intralobular

Back 39

Intercalated and striated

Front 40

Smallest duct lined by simple cuboidal epithelium

Back 40

Intercalated

Front 41

Duct that is lined by columnar cells

Back 41

Striated

Front 42

Duct actively involved in modification of primary secretion

Back 42

Striated

Front 43

Ducts found in the lobules

Back 43

Intralobular

Front 44

Ducts found within CT septa

Back 44

Interlobular ducts

Front 45

Cells that surround the acinar cells and cells of the intercalated ducts

Back 45

Myoepithelial

Front 46

Gland : Stenson’s duct

Back 46

Parotid

Front 47

The parotid gland is what type of acinus

Back 47

Serous

Front 48

Function of the parotid gland

Back 48

Cleansing

Dissolving

Digestive

Front 49

Main contributor to stimulated daytime saliva

Back 49

Parotid

Front 50

The percentage of saliva that the parotid papillae produces

Back 50

30%

Front 51

Gland: Wharton’s duct

Back 51

Submandibular

Front 52

The percentage of saliva that the submandibular produces

Back 52

60%

Front 53

The acinus that the submandibular gland produces is

Back 53

Mixed but Mostly serous

Front 54

Function of the submandibular gland

Back 54

Digestive

Lubricative

Front 55

Gland : Bartholins ducts

Back 55

Sublingual

Front 56

Gland : Rivians duct

Back 56

Sublingual

Front 57

The acinus produces by the sublingual gland is

Back 57

Mixed, mostly mucous

Front 58

Function of the sublingual gland

Back 58

Lubricative

Front 59

The gland that is is the main contributor of non-stimulated daytime saliva

Back 59

Submandibular

Front 60

What acinus is the buccal/labial mucosa

Back 60

Mixed, mainly mucosa

Front 61

What acinus is the hard and soft palate

Back 61

Pure mucosa

Front 62

What acinus is the glands of blaming and huhn

Back 62

Mixed, mostly mucous

Front 63

What acinus is vonEbner glands

Back 63

Pure serous

Front 64

What acinus is the unnamed glands

Back 64

Pure mucous

Front 65

Saliva protects enamel by

Back 65

Is a buffer such as bicarbonate eliminates acidity raising the pH of saliva