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Bio 30: Embryology (Lecture) > Gastrulation Mechanisms (Trans 7) > Flashcards

Gastrulation Mechanisms (Trans 7) Flashcards

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Biology 101 flashcards
0
Q

Inclusion of migratory apparatus for cell motility

A

Cell Polarity

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1
Q

8 mechanisms (CEChCePo CDC)

A 
Cell polarity
Epithelio-mesenchymal transition
Chemotaxis
Cell specification
Positional transition
Cell memory
Differential cell adhesion
Cell proliferation
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2
Q

Flat and thin cell extensions, serves as chemosensor; determines if a cell continues or veers away from a pathway

A

Lamellipodia

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3
Q

Longer and thinner migratory apparatus / cell extensions

A

Filipodia

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4
Q

Change in shape eg epithelial-like cells to stellate

A

Epithelio-Mesenchymal Transition

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5
Q

Directed migration of cells according to chemical gradient based on envtl cues

A

Chemotaxis

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6
Q

Promotes breakdown and release of cells from epithelium

A

Scatter factor

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7
Q

Prevents some cell migration

A

Chondroitin sulfate

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8
Q

Makes cells fat and separates them

A

Hyaluronic Acid

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9
Q

Fibrillary form which becomes the migration pathway for cells

A

Fibronectin

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10
Q

Fibronectin receptor

A

Integrin

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11
Q

Cells are already committed to what they’ll become even before migration

A

Cell Specification

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12
Q

This factor makes cell specification possible

A

Fibroblast Growth Factor

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13
Q

HOM gene complex guides cells to final location - when and where to stop

A

Positional Transition

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14
Q

Deep inside the cell, it knows its own identity; either in cytoplasm (morphogens and maternal factors) or in nucleus (genes)

A

Cell Memory

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15
Q

Enables cell to break away from epiblast to migrate and change cell shape again, brought about by cadherin/CAM

A

Differential Cell Adhesion

16
Q

Allows a sheet if cells to migrate together

A

Zonula occludens

17
Q

Number if cell increases all throughout the other processes; cells are mitotic so allowed ang differentiation; pattern formation

A

Cell Proliferation

Bio 30: Embryology (Lecture) (3 decks)

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