1st Semester Semi-Final

Question 1

Identify the…

What occurs there?

Answer 1

Spermatogonia

Mitotic division

Question 2

What occurs in Spermatogenesis?

Answer 2

Maturation of spermatids to form sperms

Question 3

Fertilization ?

Answer 3

• begins when a sperm penetrates an oocyte.
• the entire process takes about 24 hours.
• the process by which the male gamete (sperm) and the female gamete (oocyte) unite to give rize to a zygote.

Question 5

PRIMORIDAL GERM CELLS

Answer 5

Gametes( sex cells) are derived from Primoridal Germ Cells

formed in the epibalst during the second week and

Question 6

Mitosis

Question 7

Meiosis

Question 8

What is Genetic Variability ?

Question 9

Cross over

Question 10

Non-disjunction 1st meiotic devision

Question 11

Non-disjuction 2nd meiotic division

Question 12

Morphological changes during maturation of the gametes.

Question 13

Initiation of cleaveage.

Question 14

Cleavage

Question 15

Blastocyte formation

Question 16

The uterus consist of three layers…what are these?

Answer 16

1) Endometrium or mucosa lining the inside wall

2) Myometrium, a thick layer of smooth muscle

3) Perimetrium, the peritoneal covering lining the outside wall

Question 17

From puberty (11 to 13 years) until menopause (45 to 50 years), the endometrium undergoes changes in a cycle of apporixametly 28 days under hormonal control by the ovaries. During this menstrual cycle, the utrine endometrium passes through three stage….what are these three stages?

Question 18

Formation of embryonic mesoderm and endoderm

Question 21

Further development of a Trophoblast

Question 22

Development of the Fetus

Question 23

Fetal Membranes and Placenta

Question 24

Chorion Fondosum and Decidua basalis

Question 25

structure of the placenta

Question 26

full-term placenta

Question 27

Circulation of the placenta

Question 28

amnion

Question 29

umbilical cord

Question 30

Cavitation of the morula: What 2 cell types will differentiate?

Question 31

what is blastocoel?

Answer 31

cavity formation

Question 33

throphoblasts

Answer 33

responsible for the formation of chorion

Question 34

Hatching of the Blastocyst

Question 35

morula

Answer 35

latin- mulberry

Question 36

inner cell mass

Answer 36

becomes an embroy and amnion

Question 37

Isthmus ?

Question 38

Ampulla

Question 39

Fertilization

Answer 39

spermatozoa are not able to fertilize immediately upon arrival in the female genital tract (fallopian tubes?) but must undergo (1) Capicitation and (2) Acrosome rxn. (1)Capacitation

Question 40

number 1?

Answer 40

primitive streak

Question 41

number 2?

Answer 41

prechordal plate

Question 42

number 3 ?

Answer 42

primitive node

Question 43

number 4?

Answer 43

Neural plate

Question 44

number 5?

Answer 44

cloacal membrane

Question 45

number 6?

Answer 45

chordal process

Question 46

number 1, 2 and 3?

Answer 46

1) paraxial mesoderm 2) intermediate mesoderm 3) lateral mesoderm

Question 47

number 4?

Answer 47

4) chordal process