Lab 1 - Gonads and Gametogenesis

Question 1

internal female reproductive organs

Answer 1

1. fallopian tube
2. uterus
3. vagina
4. ovary

Question 2

channels for oocyte transport and fertilization

Answer 2

fallopian tube

Question 3

where a fetus develops and grows

Answer 3

uterus

Question 4

canal-like organ located inside you body that opens outside of your body

Answer 4

vagina

Question 5

one of a pair of female glands in which the eggs form and the female hormones estrogen and progesterone are made

Answer 5

ovary

Question 6

hormones made in ovary

Answer 6

• estrogen
• progesterone

Question 7

• made of highly cellular connective tissue
• where ovarian follicles are located

Answer 7

cortex

Question 8

constitute the cortex of the ovary

Answer 8

• germinal epithelium
• primary oocytes

Question 9

made up of loose fibroelastic connective tissue

Answer 9

medulla

Question 10

single layer of cuboidal cells

Answer 10

germinal epithelium

Question 11

dense irregular connective tissue beneath the germinal epithelium

Answer 11

tunica albuginea

Question 12

• wavy cells found amongst the ovarian follicles
• provide substance and support for ovarian follicle

Answer 12

stromal cells

Question 13

• consists of single layer flattened cells
• surround the oocyte
• will develop to become primary follicle

Answer 13

primordial follicles (follicular cells)

Question 14

male reproductive organs

Answer 14

1. testis
2. epididymis
3. vas deferens
4. penis

Question 15

one of the two egg-shaped glands inside the scrotum that produce sperm and male hormones

Answer 15

testis

Question 16

• long, coiled tube that rests on the backside of each testicle
• carries and stores sperm cells that are created in the testes

Answer 16

epididymis

Question 17

coiled tube that carries sperm out of the testes

Answer 17

vas deferens

Question 18

organ used for urination and sexual intercourse

Answer 18

penis

Question 19

• regulate cholesterol metabolism at the time of spermatogenesis
• feed sperm cells

Answer 19

sertoli cells

Question 20

stages in prophase

Answer 20

1. leptotene
2. zygotene
3. pachytene
4. diplotene
5. diakinesis

Question 21

leptotene

Answer 21

chromosomes start to condense

Question 22

zygotene

Answer 22

synapsis begins

Question 23

pachytene

Answer 23

crossing over of non-sister chromatids

Question 24

diplotene

Answer 24

synapsis ends, chiasma visible

Question 25

diakinesis

Answer 25

prophase ends, nuclear membrane disintegrates

Question 26

hollow bodies of various sizes inside the cortex

Answer 26

ovarian follicles

Question 27

large solid bodies

Answer 27

corpora lutea (corpus luteum)

Question 28

• flattened or cuboidal cells that surrounds the nucleus
• first stage of follicle development

Answer 28

primary follicle

Question 29

definite outer boundary of a young follicle

Answer 29

basement membrane

Question 30

relatively thick membrane between follicle and oocyte

Answer 30

zona pellucida

Question 31

fluid-filled cavity

Answer 31

antrum

Question 32

outer layer that surrounds the follicle

Answer 32

stratum granulosum

Question 33

layer that closely surrounds the oocyte

Answer 33

cumulus oophorus or cumulus

Question 34

sheath that is formed by connetive tissues surrounding the follicle

Answer 34

theca

Question 35

inner, cellular and vascular theca

Answer 35

theca interna

Question 36

outer, fibrous theca

Answer 36

theca externa

Question 37

contain substances that coagulate when the ovary is prepared for sectioning

Answer 37

follicular liquid

Question 38

granulosum that transforms into a solid body after ovulation

Answer 38

corpus luteum

Question 39

spermatogonia to spermatozoan

Answer 39

Spermatogonia→
Primary Spermatocytes→
Secondary Spermatocytes→
Spermatids→
Mature Spermatozoan