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Biomedical Science for Osteo 3 > EMBRYOLOGY > Flashcards

EMBRYOLOGY Flashcards

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Biology 101 flashcards
1
Q

WHAT ARE THE 6 CHALLENGES OF EMBRYONIC DEVELOPMENT

A

CRANIOCAUDAL AXIS
ANT POST AXIS
MED LAT AXIS
LIMB CREATION
SYM IN ASYM OUT
ORGANOGENESIS

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2
Q

WHAT DOES GAMETOGENESIS MEAN

A

THE DEVELOPMEN AND PRODUCTION OF THE MALE AND FEMALE GERM CELL

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3
Q

WHAT IS OVULATION

A

THE DEVELOPMENT AND RELEASE OF AN OVUM

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4
Q

WHAT IS FERTILISATION

A

THE JOINING OF TWO GAMETES

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5
Q

WHAT IS EMBRYOLOGY

A

TH STUDY OF ORIGIN, GROWTH, DEVELOPMENT AND FUNCTION OF AN ORGANISM

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6
Q

WHAT ARE THE THREE PERIODS OF DEVELOPMENT

A

PREEMBRYONIC, EMBRYONIC, FETAL

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7
Q

WHAT IS THE PRE-EMBRYONIC PHASE

A

THE PERIOD BETWEEN FERTILISATION AND IMPLANTATION

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8
Q

WHAT IS THE EMBRYONIC PHASE

A

IMPLANTATION TO WEEK 8`

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9
Q

WHAT IS THE FETAL PHASE

A

WEEK 9 TO BIRTH

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10
Q

WHAT IS INVOLVED IN FERTILISATION

A

FUSION OF SPERM AND OVUM TO MAKE A ZYGOTE

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11
Q

WHAT IS THE TIMELINE OF FERTILISATION

A

WITHIN 24 HOURS OF OVULATION

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12
Q

WHAT IS CLEAVAGE

A

A SERIES OF RAPID CELL DIVISIONS THAT FORM THE MORULA

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13
Q

WHAT IS THE TIMELINE FO A BLASTOCYST

A

4-5 DAYS

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14
Q

WHAT IS A BLASTOCYST

A

THE MORULA DEVELOPS A FLUID FILLED CAVITY TURNING IT INTO A HOLLOW BALL

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15
Q

WHAT IS THE TIMELINE OF IMPLANTATION

A

DAY 7

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16
Q

WHAT IS IMPLANTATION

A

THE BLASTOCYST SECRETES STUCKY PROTEINS AND ATTACHES ITSELF TO THE UTERINE WALL

17
Q

WHAT IS THE TIMELINE OF THE BILAMINAR EMBRYO

A

DAY 14/ WEEK 2

18
Q

WHAT IS THE BILAMINAR EMBRYO

A

THE BASTOCYST SPLITS INTO TWO LAYERS THE EPI AND HYPO BLAST

19
Q

WHAT DOES THE EPIBLAST BECOME

A

TEH EMBRYEO

20
Q

WHAT DOES THE HYPOBLAST BECOME

A

SUPPORTING TISSUES (PLACENTA)

21
Q

WHAT IS THE TIMELINE OF GASTRULATION

A

DAY 15 WEEK 3

22
Q

WHAT IS GASTRULATION

A

THE BILAMINAR EMBRYO IS TRANSFORMED INTO A TRILAMINAR EMBRYO

23
Q

WHAT IS THE TIMELINE OF EMBRYONIC FOLDING

A

START OF WEEK 4

24
Q

WHAT IS EMBRYONIC FOLDING

A

THE TRILAMINAR DISC FOLDS CYLINDRICALLY AND THEN INTO A CRESCENT SHAPE

25
Q

WHAT ARE THE THREE LAYERS OF THE TRILAMINAR DISC

A

ECTODERM , MESODERM, AND ENDODERM

26
Q

WHAT DOES THE ECTODERM BECOME

A

CNS, EPIDERMIS HAIR SKIN AND NAILS

27
Q

WHAT DOES THE MESODERM BECOME

A

BODY TISSUES - MUSCLES, BONE AND CT , BLOODVESSELS AND DERMIS

28
Q

WHAT DOES THE ENDODERM BECOME

A

EIPTHELIAL LINING OF GI TRACT, RESPIRATORY AND URINARY SYSTEMS

29
Q

WHAT IS THE TIMELINE OF NEURALATION

A

3-4 WEEKS

30
Q

WHAT IS NEURALATION

A

FORMATION OF THE PRIMITIVE NERVOUS SYSTEM - THE NEURAL TUBE AND CREST WHICH TURNS INTO THE SPINAL CORD AND BRAIN

31
Q

WHAT ARE SOMITES

A

CELLS FORMED IN THE MESODERM THAT FORM DERTOMES, MYOTOMES, AND SCLERTOMES

Biomedical Science for Osteo 3 (12 decks)

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