FRS Flashcards

1
Q

3 parts of Uterus

A

Fundus, body, cervix

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2
Q

Posterosuperior

A

In back and above

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3
Q

3 tissue layers of fundus and body

A

Peritoneum/perimetrium, myometrium, endometrium

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4
Q

Peritoneum/perimetrium

A

Double layered membrane

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5
Q

Myometrium

A

Thick smooth muscle layer, cells undergo hypertrophy and hyperplasia during pregnancy to expel fetus at birth

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6
Q

Endometrium

A

Inner mucous membrane lining uterus, 2 parts (deep stratum basalis, superficial stratum functionalis)

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7
Q

Deep stratum basalis

A

Limited change through menstrual cycle, not shed

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8
Q

Superficial stratum functionalis

A

Proliferates in response to oestrogen, secretory in response to progesterone. Sheds, regenerates from cells in stratum basalis layer

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9
Q

Primary support for uterus

A

Pelvic floor

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10
Q

Broad ligament

A

Double layer of peritoneum attaching uterus to pelvis

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11
Q

Pudendum

A

Vulva - external genitalia

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12
Q

Bartholins glands

A

Superficial pouch, secrete lubricating mucus

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13
Q

Fourchette

A

Fold of skin at back of vulva

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14
Q

Parts of uterine tube

A

Isthmus, ampulla, infundibulum, fimbriae

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15
Q

Yolk sac

A

First site of blood cell formation

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16
Q

Chorion

A

Principle part of placenta, outermost membrane around embryo

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17
Q

Amnion

A

Surrounds embryo, amniotic fluid

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18
Q

Allantois

A

Vascular connection between embryo and placenta

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19
Q

Pluripotent stem cells

A

Tissue formation, any embryonic cell type eg neural, muscular, blood

20
Q

Gastrulation

A

Organs derive from specific germ layer (DAY 14-16)

21
Q

Ectoderm formations

A

Pigment cells, skin cells of epidermis, neuron of brain

22
Q

Mesoderm formations

A

Cardiac, smooth, skeletal muscle, tubule cell of kidney, RBC

23
Q

Endoderm formations

A

Alveolar cell, pancreatic cell, thyroid cell

24
Q

Germ cells

A

Sperm and egg

25
Q

DAY 17-19

A

Cephalic and caudal region form

26
Q

DAY 19-21

A

Neural System develops from ECTODERM layer

27
Q

DAY 23-26

A

Neural tube closure, neural plate folds to form groove, fold, tube

28
Q

Neural crest cells

A

Dorsal, migratory, contribute to many structures

29
Q

Somites

A

(Day 19) 44 pairs total, produce muscle, vertebral and rib bones

30
Q

Ears develop from

A

Otic placodes (week 4 disappears from surface, week 5 forms inner ear)

31
Q

Eye development

A

Week 4, cells in optic placode form lens

32
Q

Heartbeat

A

Day 22

33
Q

Heart circulation

A

Day 27-28

34
Q

Lung development

A

Endoderm and mesoderm - supply alveoli
Ectoderm - neural innervation
Mesoderm - musculoskeletal support

35
Q

Kidney development occurs in

A

Urogenital ridge (in association with genitals)

36
Q

3 stages of kidney development

A

Pronephros (day 18), mesonephros (day 24), metanephros (day 35)

37
Q

GI system develops from

A

Endoderm (week 2/3)
Mesoderm (mesentry, smooth muscle, blood vessels)
Ectoderm (enteric nervous system)

38
Q

Pancreas embryo

A

Herniated on outer surface of embryo then reabsorbed

39
Q

All essential structures initiated by

A

Week 9

40
Q

Septal defect

A

Failure to form division between left and right side of the heart

41
Q

Gastroschisis

A

Failure of abdominal wall to close, intestines herniated (young mothers, small babies)

42
Q

Omphalocoele

A

Severe abdominal wall defect, liver, stomach, intestines herniated (older mothers)

43
Q

Blastocyst hatching

A

Egg released from protective coat (Zona pellucida)

44
Q

Placenta cells in blastocyst

A

Trophectoderm

45
Q

Auricular surface of ilium articulates with

A

Auricular surface of sacrum to form the sacroiliac joint