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Human Growth And Development > Exam 1 Chapter 2 > Flashcards

Exam 1 Chapter 2 Flashcards

1
Q

The pear-shaped muscular organ in a woman’s abdomen that houses the developing baby.

A

Uterus

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2
Q

The neck, or narrow lower portion, of the uterus.

A

Cervix

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3
Q

One of a pair of slim, pipelike structures that connects the ovaries with the uterus.

A

Fallopian tube

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4
Q

One of a pair of almond-shaped organs that contains a woman’s ova, or eggs.

A

Ovary

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5
Q

An egg cell containing the genetic material contributed by the mother to the baby.

A

Ovum

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6
Q

The union of sperm and egg.

A

Fertilization

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7
Q

The moment during a woman’s monthly cycle when an ovum is expelled from the ovary.

A

Ovulation

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8
Q

Male organs that manufacture sperm.

A

Testes

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9
Q

A threadlike strand of DNA located in the nucleus of every cell that carries the genes, which transmit hereditary information.

A

Chromosome

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10
Q

The material that makes up genes, which bear our hereditary characteristics.

A

DNA

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11
Q

A segment of DNA that contains a chemical blueprint for manufacturing a particular protein.

A

Gene

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12
Q

The first 14 days of prenatal development, from fertilization to full implantation.

A

Germinal stage

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13
Q

A fertilized ovum.

A

Zygote

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14
Q

The hollow sphere of cells formed during the germinal stage in preparation for implantation.

A

Blastocyst

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15
Q

The process in which a blastocyst becomes embedded in the uterine wall.

A

Implantation

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16
Q

The structure projecting from the wall of the uterus during pregnancy through which the developing baby absorbs nutrients.

A

Placenta

17
Q

The second stage of prenatal development, lasting from week 3 through week 8.

A

Embryonic stage

18
Q

A cylindrical structure that forms along the back of the embryo and develops into the brain and spinal cord.

A

Neural tube

19
Q

A nerve cell

A

Neuron

20
Q

The developmental principle that growth occurs from the most interior parts of the body outward.

A

Proximodistal sequence

21
Q

The developmental principle that growth occurs in a sequence from head to toe.

A

Cephalocaudal sequence

22
Q

The developmental principle that large structures (and movements) precede increasingly detailed refinements.

A

Mass-specific-sequence

23
Q

The final phase of prenatal development, lasting seven months, characterized by physical refinements, massive growth, and the development of the brain.

A

Fetal stage

24
Q

The earliest point at which a baby can survive outside the womb.

A

Age of viability

25
Q

The structure that attaches the placenta to the fetus, through which nutrients are passed and fetal wastes are removed.

A

Umbilical cord

26
Q

A bag-shaped, fluid-filled membrane that contains and insulates the fetus.

A

Amniotic sac

Human Growth And Development (2 decks)

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