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Dental Anatomy Exam 4 Study Guide > Study Guide > Flashcards

Study Guide Flashcards

1
Q

Dental Papilla forms which parts of the tooth

A

Dentin and pulp

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2
Q

Stratum Basale

A

Single layer of cabodial cells that rests on the basement membrane
Cells divide and form more cells to maintain the supply and replace cells that are lost

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3
Q

Stratum spinosum

A

Varies in its number of cell rows from two or three to ten or more

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4
Q

Stratum Granulosm

A

Evident in thick skin

Appears as two or three layers of flattened cells that contain granules or spots within their cytoplasm

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5
Q

Stratum Corneum

A 
Same as the terk keratinized (horn-like)
Three situation can be seen here
Nonkeratinized
Para-keratinized
Keratinized
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6
Q

The period of human development we are most interested in and why

A

3-8 weeks in embryo because features of the face begin to form

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7
Q

What are the parts of a neuron

A

Cell body
Axon
Dendrite

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8
Q

Mandibular arch

A

will be the maxillary process and subdivided into the mandibular process and maxillary process

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9
Q

Mandibular process

A

Will form mandible

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10
Q

Maxillary process

A

Will form maxillae, zygomatic bones of cheek, and palatine bones

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11
Q

Enamel tufts

A

Small area of hypo calcified enamel seen at the DEJ

Only found in the histologic section of the tooth

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12
Q

Enamel Lamellae

A

Cracks in the enamel

Appear as hairline cracks that extend all the way through enamel and into the dentin

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13
Q

Enamel rod

A

Made of hydroxyapatite crystals and is the primary unit of enamels structure

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14
Q

Enamel spindle

A

Odontoblastic process

Cellular extension of the odontoblast that becomes trapped between ameloblasts in early development

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15
Q

Cleft lip forms when

A

Migration fails, resulting in a separation between the medial nasal process and maxillary process (sixth embryonic week)

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16
Q

Dead tracts

A

Dental tubules that are empty

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17
Q

Sclerotic dentin

A

Dentinal tubules filled with dentin material

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18
Q

Where are goblet cells located

A

Respiratory tract

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19
Q

Goblet cells

A

Secretes mucous substance and lubricates the surface of the epithelium

20
Q

Granulocytes

A

Neutrophils, eosinophils, and basophils

21
Q

Types of simple epithelium

A

Simple squamous
Simple cubodial or simple columnar
Pseudostratified columnar

22
Q

What is the fluid part of blood?

A

Plasma

23
Q

Hydroxyapatite percentage in bone

A

50%

24
Q

Hydroxyapatite percentage in enamel

A

96%

25
Q

Hydroxyapatite percentage in

A

70%

26
Q

Cells that form the inner lining of blood vessels derive from what kind of cells

A

Simple squamous

27
Q

What are the depressions on each side of the nasal spine?

A

Nasal pits

28
Q

Retzius

A

Brownish lines that develop in the enamel (like rings of a tree)

29
Q

Efferent

A

(motor) messages leaving the brain to parts of the body and cause action to take place

30
Q

Red blood cells

A

4.5 to 5 million per cubic mm
Bi-concave discs
Contain hemoglobin

31
Q

Hemoglobin

A

Iron-containing element

Allow the RBC’s to carry oxygen

32
Q

Pulp stone

A

Calcifications found in the pulp

33
Q

Sacromere

A

Functional unit of skeletal muscle

34
Q

WBC’s in a cubic millimeter

A

8,000 to 11,000

35
Q

Smooth muscle

A

nonstriated involuntary

36
Q

Skeletal muscle

A

striated voluntary

37
Q

Cardiac muscle

A

striated involuntary

38
Q

Epiphysis

A

two end sections in bone

39
Q

Diaphysis

A

Center section in bone

40
Q

Dental sac

A

Forms cementum, PDL, and some alveolar bone

41
Q

Enamel rod

A

Primary unit for enamels structure

42
Q

Muscles of mastication

A

V cranial nerve

43
Q

Muscles of facial expression

A

VII cranial nerve

44
Q

Stylopharyngeus

A

IX cranial nerve

45
Q

Muscles of larynx, pharynx, and soft palate

A

X and XI cranial nerves

46
Q

Function of the four layers of the enamel organ

A

Attaching
Enamel formation
Protection
Nourishment

Dental Anatomy Exam 4 Study Guide (1 decks)

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