Cell Division

Question 1

Follicular Phase

Answer 1

Ova begin to mature

Days 1 to 13

Question 2

Ovulatory Phase

Answer 2

1 to 2 mature ova are released
Ovulation occurs
Day 14

Question 3

Luteal Phase

Answer 3

Follicle cells develop into corpus luteum
Corpus Luteum produces progesterone which thickens the endometrium
Luteum Corpus becomes Corpus Albicus after 10 days to 3 months

Question 4

Uterine Cycle

Answer 4

Menstruation
Proliferative Phase
Secretory Phase

Question 5

Lithopedium

Answer 5

Fetus that dies in an abnormal pregnancy which then calcifies to protect mom from rotting tissue.

Question 6

Spermatogensis

Answer 6

Production of male gametes

Question 7

Interstitial Cells

Answer 7

Secrete male sex hormones

Located between the seminiferous tubules

Question 8

Scrtum

Answer 8

Sack that holds testes outside the body to maintain the correct temperature.

Question 9

Epididymus

Answer 9

Duct behind the testes

Used to transport sperm to vas deferens

Question 10

Vas deferens

Answer 10

Tiny tube that carries sperm to the ejaculatory duct.

Question 11

Semen

Answer 11

Seminal fluid that may or may not include sperm

Question 12

Seminal Vesicles

Answer 12

Contributes 60% of semen volume

Contains fructose and prostaglandins

Question 13

Prostate Gland

Answer 13

Secretes alkaline buffers to protect sperm cells from acidic vaginal environment

Question 14

Bubourethal or Cowpers Gland

Answer 14

Secretes mucus rich fluid that protects sperm from the acidic urethral environment. Also lubricates the way.

Question 15

Three main parts of spermatazoa

Answer 15

Head containing acrosome
Middle containing mitochondria
Tail

Question 16

Ovarian Cycle

Answer 16

Cycle in which the ova is matured, released, and implanted (depending on fertilization)

Question 17

Mitosis

Answer 17

Parent cell becomes two identical daughter cells

Used for repair, development, and growth.

Question 18

Eukaryotic

Answer 18

Complex cells with organelles

Question 19

Prokaryotic

Answer 19

Simple cells, no organelles, functions happen in cytoplasm

Question 20

Diploid

Answer 20

Two sets of chromosomes are present for each trait.

Question 21

Haploid

Answer 21

One set of chromosomes is present for each trait.

Question 22

Interphase

Answer 22

Cell preps to divide
Longest period in the cycle
Part of mitosis

Question 23

Blastocyst

Answer 23

Fertilized embryo

At this stage it is a fluid filled cavity

Question 24

Trophoblast

Answer 24

Single layer of outer cells on a blastocyst

Question 25

2nd week post fertilization

Answer 25

Embryo begins to implant in the uterine wall. | Gastrulation occurs

Question 26

Gastrulation

Answer 26

Inner cell mass flattens into a disk and elongates to form three layers: ectoderm, endoderm, and mesoderm

Question 27

Endoderm

Answer 27

Bottom layer of embryonic disk | Becomes lungs, liver, and digesting lining

Question 28

Mesoderm

Answer 28

Middle layer | Becomes heart, muscles, bones, blood

Question 29

Ectoderm

Answer 29

Top layer | Nervous system, skin, and hair

Question 30

When is an embryo called a fetus?

Answer 30

8 weeks

Question 31

How old is fetus when it gains the ability to hear sound?

Answer 31

20 weeks

Question 32

What fetal developments happen in the third trimester?

Answer 32

Fat is laid down in the brain to myelineate the nerve cells Fat deposits form in the body Growth of fetus

Question 33

Zona

Answer 33

Final barrier for sperm to get to the ovum

Question 34

Third week post fert.

Answer 34

Nervous system starts to form | Heart begins to develop

Question 35

Wks 4 +5 post fert

Answer 35

Umbilical cord develops | Limb buds appear and startle response develops

Question 36

Preg. Wks 6 to 8

Answer 36

Head achieves normal relationship to the body as neck develops.

Question 37

3rd and 4th months of preg.

Answer 37

Head development slows Features like finger nails start to develop Ossification begins May be able to distinguish males and females

Question 38

5th to 7th month of pregnancy

Answer 38

Mother begins to feel movement | Skin is covered in ianugo and coated in vernix caseosa

Question 39

Lanugo

Answer 39

Fine down covering fetus

Question 40

Vernix caseosa

Answer 40

Protective coating of greasyness that protects fetal skin from amniotic fluids.