reproductive system

Question 1

what are testes housed in

Answer 1

scrotum - skin covered bag

Question 2

peritoneum

Answer 2

covers scrotum
- extends from w/in abdomen

Question 3

scrotal temp should be

Answer 3

LESS than body temp
- for optimal production

Question 4

epididymis

Answer 4

• long, high folded tube
• connected to testes’ outer surface
• acts as sperm storage
• where sperm goes through maturation

Question 5

what reaches the abdomen through a small slit, and what is that slit called

Answer 5

spermatic cord
inguinal canal

Question 6

ductus deferens

Answer 6

carries sperm to prostate gland
smooth muscles -> sperm cells transported by peristalsis

Question 7

prostate gland

Answer 7

around urethra (at base of bladder)
creates secretion of accessories - adds testosterone to blood
- impnt for sperm’s survival + mobility

Question 8

T/F
urethra has only one function

Answer 8

FALSE
- dual function
- holds urine for excretion + semen for reproduction

Question 9

composed of numerus blood vessels and sensory nerves

Answer 9

penis

Question 10

What are the larger open areas that the veins are bound by called?

Answer 10

sinuses

Question 11

The highly vascular tissue is housed on either side of the penis in:

Answer 11

Two paired corpora cavernosa

Question 12

difference between corpora cavernosa and spongiosum corpus?

Answer 12

Spongiosum =
Closer to the urethra
A smaller region

Question 13

erection occurs when ___ of ___ out = ____ during sexual excitement

Answer 13

flow
blood
limited

Question 14

penis tip is referred to as

Answer 14

the glans

Question 15

sperm cells are produced by

Answer 15

precursor cells
- line seminiferous tubules

Question 16

T/F
Cells are subjected to MEIOSIS throughout the male’s life, providing a LIMITED supply of precursor cells

Answer 16

FALSE
cells are subjected to MITOSIS through the male’s life, providing an UNLIMITED supply of precursor cells

• precursor later undergoes meiosis to produce sperm

Question 17

flagella is

Answer 17

mobile & very little cytoplasm

Question 18

sperm heads are densely packed with

Answer 18

chromosomes

Question 19

what do sperm cells have the base to provide energy for mvt

Answer 19

mitochondria

Question 20

testes function as an

Answer 20

endocrine system
- releases testosterone -> promotes male genital growth

Question 21

what does testosterone do

Answer 21

produce distinctive characteristics & dvlp sperm

Question 22

___ hormones released from the ___________ gland help control the test process.

Answer 22

two
hypophyseal

Question 23

name the two hormones in the hypophyseal gland and functions

Answer 23

luteinising hormone (LH) - promote testosterone prdctn

follicle-stimulating hormone (FSH) - encourage actual sperm prdctn

Question 24

___ = external opening to ____ tract and leads to ____

Answer 24

vulva
urogenital
vagina

Question 25

the vagina connects to the ___, while also protecting the opening of the ____

Answer 25

cervix uterus

Question 26

eggs are form in the

Answer 26

ovary (female gonad)

Question 27

uterus tapers into small ___/___ channel leading to the ___

Answer 27

oviduct/uterine ovary

Question 28

what is at the end of oviduct

Answer 28

thin membranous infundibulum

Question 29

oviduct takes egg to ___

Answer 29

uterus

Question 30

what does the thin membranous infundibulum do

Answer 30

coils around ovary & protects egg during ovulation

Question 31

ovaries product eggs through

Answer 31

meiosis

Question 32

precursor cells undergo ____ as ovaries form in ____ and stop

Answer 32

1st stage embryo

Question 33

females undergo ___ cycle, which begins in ___

Answer 33

estrous puberty

Question 34

if puberty is delayed?

Answer 34

nutritional deficiencies/disease that slow growth

Question 35

estrous cycle prepares for ___ and regulated by ___

Answer 35

pregnancy hormones

Question 36

estrus

Answer 36

Describes the animal when in a state of sexual excitement

Question 37

length of daylight affects _______

Answer 37

seasonal breeders

Question 38

oestrogen primes _____ for _____

Answer 38

uterus delivery

Question 39

involution

Answer 39

uterus shrinks back to normal size

Question 40

cats are seasonally ____

Answer 40

polyestrous - multiple periods of estrous in 1 yr

Question 41

cats will enter ___ when nursing kittens

Answer 41

anestrous

Question 42

dogs are ____

Answer 42

only experience estrous once/yr

Question 43

pheromone

Answer 43

distinctive chemical released by female in estrus - detected by males

Question 44

c-section stands for and done when

Answer 44

cesarean section - anml reaches point where vet cannot complete delivery

Question 45

pyometra

Answer 45

infection w/uterus - often w/senior dog & cat

Question 46

cryptorchidism

Answer 46

one/both testes fail to enter scrotum