6: Vocabulary

Question 1

Thinning of the cervix.

Answer 1

Effacement

Question 2

First anatomic structure to appear within gestational sac.

Answer 2

Yolk sac

Question 3

Hypertrophy of the gums

Answer 3

Epulis

Question 4

The number of pregnancies carried to viable gestational age (20 weeks).

Answer 4

Parity

Question 5

Dark line beginning near the sternal notch and continuing downward to the symphysis pubis and genitalia.

Answer 5

Linea nigra

Question 6

Measurement of fundal height using a tape measure.

Answer 6

McDonald Maneuver

Question 7

Formation of endoderm, mesoderm, ectoderm.

Answer 7

Gastrulation

Question 8

The number of pregnancies, regardless of outcome.

Answer 8

Gravidity

Question 9

Fetal movement

Answer 9

Quickening

Question 10

Softening of the cervix

Answer 10

Goodell sign

Question 11

Softening of lower uterine segment

Answer 11

Hegar’s sign

Question 12

Comes from the hypoblast and forms digestive tube and produces blood cells and vessels and gonads.

Answer 12

Yolk sac

Question 13

Blue/purple cervix

Answer 13

Chadwick sign

Question 14

Pregnancy mask

Answer 14

Chloasma gravidarum

Question 15

Soft blowing sound d/t blood pulsating through placenta

Answer 15

Uterine souffle

Question 16

Stretch marks

Answer 16

Striae gravidarum

Question 17

Fundal height drops around 38 weeks in primigravidas, but may not happen until labor for multigravidas.

Answer 17

Lightening

Question 18

Development from zygote to week 2.

Answer 18

Preembryonic development

Question 19

Transparent membranous sac that fills with fluid.

Answer 19

Amnion

Question 20

Outpocket of caudal end of yolk sac. Forms umbilical cord and urinary bladder.

Answer 20

Allantois

Question 21

Helps form placenta. Encloses embryo and other membranes.

Answer 21

Chorion

Question 22

Structure that will establish bilateral symmetry in embryo.

Answer 22

Primitive streak

Question 23

Primary germ layers are organized into sheets by this.

Answer 23

Mesenchyme

Question 24

Primary germ layer that forms neural crest and nervous system, skin.

Answer 24

Ectoderm

Question 25

Primary germ layer that forms epithelial lining of digestive, respiratory, and urogenital tracts and glands.

Answer 25

Endoderm

Question 26

Primary germ layer that forms everything except neural crest, nervous system, skin, epithelial linings.

Answer 26

Mesoderm

Question 27

Differentiation of the germ layers.

Answer 27

Organogenesis

Question 28

Outermost of the 3 germ layers.

Answer 28

Ectoderm

Question 29

These become sclerotome, dermatome, and myotome.

Answer 29

Somites

Question 30

Somites that form vertebrae and ribs.

Answer 30

Sclerotome

Question 31

The lateral wall of each somite in a vertebrate embryo, giving rise to the connective tissue of the skin.

Answer 31

Dermatome

Question 32

Somites that form skeletal muscle.

Answer 32

Myotome