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Biomedical Human Anatomy > Quiz 2 > Flashcards

Quiz 2 Flashcards

1
Q

Ampulla

A

Widest part of the fallopian tube; where fertilization occurs

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2
Q

Isthmus of uterus

A

Narrowest part of fallopian tube close to the uterus

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3
Q

Infundibulum

A

Part of fallopian tube right before fimbriae accept the egg

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4
Q

Fimbriae

A

End of fallopian tube that connects to ovary (not physically connected)

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5
Q

Fundus of uterus

A

Top part of uterus

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6
Q

Endometrium

A

Layer of the uterine wall that is shed during menstruation; spongy layer and compact layer

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7
Q

Myometrium

A

Middle layer of uterine wall that contracts and causes cramps

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8
Q

Perimetrium

A

Outer layer of uterine wall

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9
Q

Luteinizing Hormone (LH) Surge

A

Increase in LH that triggers ovulation

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10
Q

Corpus luteum

A

produces progesterone; remains if pregnant, is degraded if not pregnant

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11
Q

Proliferative phase

A

Growing of spongy and compact layer

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12
Q

Progestational/secretive phase

A

Right after proliferative phase; corpus luteum is present

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13
Q

Corona radiata

A

Some of the cells released with oocyte from the ovary that are attached to egg

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14
Q

Zona pellucida

A

Glycoprotein coat around oocyte

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15
Q

Somatic

A

Relating to the body

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16
Q

Splanchnic

A

Relating to the viscera/internal organs

17
Q

Zygote

A

One cell; two sets of chromosomes

18
Q

Blastomere

A

Individual cell formed after fertilization and cleavage; 6 cell stage= 6 blastomeres

19
Q

Morula

A

12-16 cell stage

20
Q

Compaction

A

Occurs at 8 cell stage; creates inner cell mass (embryoblast) and outer cell mass (trophoblast)

21
Q

Blastocyst

A
  • Zona pellucida degraded as morula enters uterine cavity
  • Fluid enters and intercellular space expands creating blastocoel
  • Implants into uterine lining
22
Q

Implantation

A

Occurs around 5.5 to 6 days after fertilization

23
Q

Integrins

A

How trophoblast cells attach to uterine wall

24
Q

Epiblast

A

Becomes embryo; Amniotic cavity forms inside (epiblast and amnioblasts)

25
Q

Hypoblast

A

Lines blastocyst cavity to become primitive yolk sac (exocoelomic cavity)

26
Q

Gastrulation

A

Migration of cells to form three germ layers; cells move into primitive streak then laterally and cranially

27
Q

Primitive streak

A
  • thickened area and groove of epiblast
  • becomes cranial-caudal axis
  • primitive node – cranial end of primitive streak

Biomedical Human Anatomy (28 decks)

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