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Histology > Exam 1 – Lecture 7: Connective Tissue 1 > Flashcards

Exam 1 – Lecture 7: Connective Tissue 1 Flashcards

1
Q

What happens in lateral domains?

A

Cell to cell adhesions/communications

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2
Q

What are tight juctions?

A

Occluding junction

Intercellular barrier

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3
Q

What are the 3 portions of tight junctions?

A

Zonula occludens
Zonula adherens
Macula adherens

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4
Q

What portions of the tight junctions are the anchoring junctions?

A

Zonula adherens

Macula adherens

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5
Q

What is the zonula occludence?

A

The most apical portion of tight junctions which is the barrier for fluid

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6
Q

What is the macula adherens portion of tight junctions?

A

The portion that tightly connects the tight junction

Desmosome

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7
Q

What are examples of different cell adhesion molecules?

A

Cadherins
Integrins
Selectins
Immunoglobulin superfamily

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8
Q

What are cell adhesion molecules?

A

Markers on the surface of the cells

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9
Q

What do selectins do?

A

Help cells migrate from tissue and identify different things

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10
Q

What do gap junctions do?

A

Help cell communicate

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11
Q

What is a type of gap junction?

A

Nexus

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12
Q

What is the basal domain?

A

Attachment to basement membrane

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13
Q

What happens in the basal domain?

A

Cell-matrix interaction

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14
Q

What is the basal lamina made of?

A

Collagens
Laminin
Proteoglycans

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15
Q

What does a hemidesmosome do?

A

Helps with attachment to the underlying basement membrane

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16
Q

What are the 2 types of glands?

A

Endocrine and exocrine

17
Q

What do endocrine glands do?

A

Release products directly into the blood stream

18
Q

What do exocrine glands do?

A

Release their product into some other lumen/space

19
Q

What do glands secrete?

A

Merocrine
Apocrine
Holocrine

20
Q

What is merocrine?

A

Membrane bound vesicles

21
Q

Where is aprocine?

A

Apical with cytoplasm

22
Q

What do holocrines do?

A

Apoptosis, whole cell

23
Q

What are glands lined with?

A

Epithelium

24
Q

What are glands characterized by?

A

If they are mucous or serous

25
Q

What do mucous glands release?

A

A lot of proteoglycans

26
Q

What do serous glands release?

A

Primarily water

27
Q

What is connective tissue named for?

A

Matrix

28
Q

What are 3 examples of types of connective tissue?

A

Fibrous
Cartilage
Bone

29
Q

What are the different fiber types that make up connective tissue?

A

Collagen
Reticular
Elastic

30
Q

What is the most abundant protein in a mammal’s body?

A

Collagen

31
Q

What is collagen made of?

A

Fibrils

32
Q

What is the structure of collagen?

A

Triple helix

33
Q

What are the polymers of collagen?

A 
Fibrillar
Fibril associated
Hexagonal network
Transmembrane
Multiplexins
34
Q

What is collagen made by?

A

Fibroblasts

35
Q

What is collagen used for?

A

To give strength to a tissue

Histology (30 decks)

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