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Oral Histology & Embryology > Dhy Exam 1 > Flashcards

Dhy Exam 1 Flashcards

1
Q
  • Keeps fluid in
  • Foreign materials out
  • chain of lipids between two layers of protein
  • semipermeable
A

Cell Membrane

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2
Q

Diffusion of water

A

Osmosis

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3
Q
  • Opposite a passive form of transport
  • higher concentration
  • chemical energy is REQUIRED
A

Active transport

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4
Q

Engulf liquids

A

Pinocytosis

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5
Q

Ingests :

  • microorganisms
  • other cells
  • foreign particles
A

Phagocytosis

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6
Q
  • Fluid medium

- 60-75% water

A

Cytoplasm

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7
Q
  • near the nucleus
  • two centrioles
  • cell division
A

Centrosome

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8
Q
  • Interconnecting tubules

- protein production

A

Endoplasmic Reticulium

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9
Q
  • Produces & Packages proteins for external use

- produces lysosomes

A

Golgi Apparatus

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10
Q

Powerhouse of the cell

A

Mitochondria

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11
Q

Thread like structures

A

Microfilaments

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12
Q
  • Tubular Structures
    -Support long cellular processes
    ~cilia
A

Microtubules

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13
Q
  • THICKER thread like microscopic structures

- Tonofibrils: are a type

A

Intermediate Filaments

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14
Q

What tissue has no direct blood supply?

A

Epithelial Tissue

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15
Q

What tissue functions is to absorb, filter,protect, secrete?

A

Epithelial Tissue

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16
Q

Scale like

A

Squamous

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17
Q

Cube shaped

A

Cuboidal

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18
Q

Tall and narrow

A

Columnar

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19
Q
  • Located: areas with no friction

- function:absorption, secretion, filtration

A

Simple

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20
Q
  • located: more durable tissue

- Function: protection

A

Stratified

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21
Q

Type of epithelial.. Lungs, abdominal cavity, blood vessels, bowmans capsule of kidney

A

Simple squamous

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22
Q

Type of epithelium.. salivary glands, tubules in kidney, ovary surface, pancrease?

A

Simple cuboidal

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23
Q

Type of epithelia.. digestive tract, uterus, glands

A

Simple columnar

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24
Q
  • appears to be stratified

- lines respiratory tract

A

Pseudostratified Epithelium

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25
Q

Mucous secretions

A

Goblet cells

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26
Q
  • rare in body
  • large ducts of some glands
  • small amounts in male uretha
A

Stratified cuboidal or columnar

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27
Q

Lines oral cavity

A

Stratified squamous Epithelium

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28
Q

Separates epithelium from connective tissue

A

Basement membrane

29
Q

Round attachment plaques between

Two cells

A

Desmosomes

30
Q

Attachment plaques between a cell and a non cellular surface

A

Hemidesmosmes

31
Q
  • fused cell membranes
  • prevents movement
  • ducts
A

Tight junctions

32
Q
  • plaque shaped junction contains a channel
  • communication & coordination of activities
  • muscle tissue
A

Gap junction

33
Q

Collagen, reticulum , elastic, oxytalan

A

Types of intercellular substance ( fibrous)

34
Q

Types of tissues ?

A

Epithelial
Connective
Nervous
Muscle

35
Q

Calcified support structure

A

Bone

36
Q

What cells make up bone?

A

Osteocytes

Osteoclasts

37
Q

Calcium and phosphorus crystals?

A

Hydroxyapatite

38
Q

What two ways do bone form?

A

1) intramembranous

2) Endochondral

39
Q

What is bone nourished by?

A

Haversian system

40
Q

Hydroxyapatite crystals deposited

A

Intramembranous

41
Q
  • cartilage forms first
  • cartilage invites by bone cells
  • replace cartilage with bone
A

Endochondral

42
Q

Embryonic origin

- mesoderm

A

Mesenchymal cells

43
Q

Connective fibers

A

Collagen

Elastic reticular

44
Q
  • nonelastic
  • holds substances together
  • hold substances together
A

Collagen

45
Q

Non elastic
Fine and branched
Organs framework

A

Reticular

46
Q

What is connective tissue largely composed of ?

A

Intercellular substance

47
Q

Type of connective tissue that is Sponge like;makes up subcutaneous tissue & superficial facia, attaches skin to muscle ?

A

Loose areolar

48
Q

What tissue stores fat & found in superficial facia along with the loose areolar ?

A

Adipose

49
Q

Connective tissue that produces blood cells, removes worn blood cells, occurres in two forms

A

Hemopoietic tissue

50
Q

What does red bone marrow produce ?

A 
Erythrocytes 
& 
White blood cells 
&
Lymphocytes
51
Q
  • Exists as nonmineralized tissue
  • I’m fetus acts as pattern for bone
  • nose,eat, trachea
A

Cartilage

52
Q

What connective tissue contains no nerves or blood vessels?

A

Cartilage

53
Q

What is cartilage made up of?

A

Chondroblasts & chondrocytes

54
Q

3 types of cartilage?

A
  • fibrous
  • elastic
  • hyaline
55
Q

Contains collagen & reticular fibers; found in intervertebral discs, TMJ in later years, public symphysis

A

Fibrous tissue

56
Q

Contains elastic fibers; found in epiglottis over larynx & in ears (EAC)

A

Elastic cartilage

57
Q

Firmer than other cartilages; found in adults.. larynx, trachea, nose,rubs, joints

A

Hyaline

58
Q
  • Calcifies support structure

- dense intercellular substance

A

Bone tissue

59
Q

Cells that make up bone tissue ?

A

Osteocytes &osteoclasts

60
Q

General function is to prevent leakage of transported solutes and water and seals the paracellular pathway

A

Tight junction

61
Q

Connects the cytoplasm of two cells, which allows molecules, ions, and electrical impulses to directly pass through

A

Gap Junction

62
Q
  • Protein complexes that occur at cell to cell junctions, in epithelial and endothelial tissue.
  • more basal than right junctions
A

Adherents junctions

63
Q

Single layer of flattened cells;

A

Simple squamous epithelial

64
Q

This epithelium is often associated with absorption, secretion, or excretion of waste matter..

A

Simple cuboidal

65
Q

Single layer of cells that are taller than they are wide

A

Single columnar epithelium

66
Q

Appears to be stratified because the nuclei of the epithelial cells are at different levels.

A

Pseudostratified

67
Q

Has multiple layers of cells becoming flattened as they move from the basal layer to the apical layers.

A

Stratified squamous Epithelium

68
Q

Outermost layer of cells; found in lining of larger ducts; esophagus

A

Stratified cuboidal epithelium

69
Q

Restricted to the urinary tract

A

Transitional epithelium

Oral Histology & Embryology (1 decks)

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