UROGENTIAL SYSTEM

Question 1

removes nitrogenous wastes from the body as urine, and it also regulates osmotic pressure.

Answer 1

urinary system

Question 2

produces the gametes (the male’s sperm and female’s ova) necessary for the formation of offspring. It also includes the structures involved in the sexual transfer of sperm to ova and in the protection, development, and birth of young.

Answer 2

reproductive system

Question 3

Partially embedded on the dorsal surface of the abdominal cavity are two bean-shaped organs, the _____. The ______ filter waste from the bloodstream, regulate the amount of water in the rabbit, and maintain appropriate concentrations of certain ions.

Answer 3

kidneys

Question 4

As you examine the interior of the kidney, note the outer portion, the _______, and the inner portion, the _______.

Answer 4

renal cortex

renal medulla

Question 5

As you examine the kidneys, notice the___________, which carry blood into and out of the kidney.

Answer 5

renal artery and renal vein

Question 6

Also notice the _______, part of the endocrine system, one of which is medial to each kidney.

Answer 6

adrenal glands

Question 7

The filter waste from the bloodstream and produce _____. The _______ moves from the kidneys through the ureter to the urinary bladder, where it accumulates.

Answer 7

urine

Question 8

As the bladder fills, it is stimulated to contract, expelling the urine out through the ________.

Answer 8

urethra

Question 9

In the female rabbit, the urethra empties into the _______________,

Answer 9

urogenital sinus

Question 10

whereas in the male it continues to the ______, joining the reproductive system.

Answer 10

penis

Question 11

In males the hormone ________, are produced in the testes, two organs situated in the scrotum.

Answer 11

testosterone and the sperm (the male gametes)

Question 12

The ________ are white, marbled, ovoid structures.

Answer 12

testes

Question 13

Examine the interior of the testis, noting the _________ where sperm are produced.

Answer 13

coiled tubules, seminiferous tubules,

Question 14

Examine the anterior portion of the uncut testis and locate the ____, a tightly coiled tube that collects and stores sperm cells.

Answer 14

epididymis

Question 15

During ejaculation, the sperm are released from the epididymis to the __________, which transfers sperm from a testis to the urethra.

Answer 15

ductus deferens

Question 16

At the base of the bladder lies the ________, which secretes a fluid into the ductus deferens. This fluid combines with the sperm and with fluid from the prostate to produce semen.

Answer 16

seminal vesicle

Question 17

The _______ is seen as a thickening of the dorsal wall of the seminal vesicle.

Answer 17

prostate

Question 18

The ______ passes through the urethra and out through the tip of the penis.

Answer 18

semen

Question 19

The free end of the penis, the glans penis, typically lies within a pouch of skin called the __________.

Answer 19

prepuce

Question 20

Inside the glans penis is a small bone called the _________, which stabilizes the penis during copulation.

Answer 20

baculum

Question 21

In female specimens, the ova, female gametes, are produced by the _______. The __________ can be found in the dorsal wall of the abdomen caudal to the kidneys.

Answer 21

ovaries

Question 22

Once the ova mature, they are released from the ovaries into the _________.

Answer 22

fallopian tubes

Question 23

Unlike humans, rabbits release ________ eggs at one time. Fertilization of these eggs typically produces a litter of 4 to 12 kits.

Answer 23

multiple

Question 24

The fallopian tubes transport the eggs from the ovaries to the _____ . Rabbits have paired _____, a distinct left uterus and right uterus, each with a muscular wall that distinguishes them from the fallopian tubes.

Answer 24

uteri

Question 25

Each uterus enters the anterior of the vagina though a separate ______ terminating at the external uterine aperture.

Answer 25

cervix

Question 26

The vagina and the urethra (from the urinary system), converge at the _____________, which opens to the exterior at the vestibular opening, or urogenital orifice.

Answer 26

vestibule, or urogenital sinus

Question 27

Houses the testes

Answer 27

Scrotal sacs

Question 28

produce sperm

Answer 28

Testes

Question 29

stores sperm

Answer 29

Epididymis

Question 30

Transports sperm to urethra

Answer 30

Vas deferens

Question 31

Receives seminal secretions from testes and accessory glands

Answer 31

Urethra

Question 32

Deposits semen in female reproductive tract

Answer 32

Penis

Question 33

Secrete alkaline fluid to neutralize acidity of vagina and provide lubrication

Answer 33

Preputial glands

Question 34

Contribute seminal fluid containing nutrients for sperm and hormones to stimulate uterine contractions

Answer 34

Bulbourethral glands and prostate gland

Question 35

Produce secretions that mix together, coagulate in the vagina, and form a vaginal plug

Answer 35

Seminal vesicles and coagulating glands

Question 36

Covers opening to vagina

Answer 36

Vulva (labia)

Question 37

Produce eggs

Answer 37

Ovaries

Question 38

Receive eggs at ovulation; site of fertilization

Answer 38

Fallopian tubes

Question 39

Sites of implantation and embryonic development

Answer 39

Uterine horns

Question 40

Drains excretory products from urinary bladder (no reproductive function in female)

Answer 40

Urethra

Question 41

Plays a role in sexual sensation and stimulation

Answer 41

Clitoris

Question 42

Receives penis during copulation; serves as part of birth canal

Answer 42

Vagina

Question 43

Supplies blood to the kidney

Answer 43

Renal artery

Question 44

Transports filtered blood away from kidney to caudal vena cava

Answer 44

Renal vein

Question 45

Brings blood to each nephron to be filtered

Answer 45

Afferent arteriole

Question 46

Carries unfiltered portion of blood away from glomerulus to the capillary beds surrounding convoluted tubules and loop of Henle

Answer 46

Efferent arteriole

Question 47

Capillary bed that forces fluid containing salts, glucose vitamins, and nitrogenous wastes out of the bloodstream

Answer 47

Glomerulus

Question 48

Epithelial layer surrounding glomerulus that receives filtrate from the glomerulus

Answer 48

Bowman's capsule

Question 49

Series of tubules that selectively remove sodium chloride, potassium, water, and other nutrients from the nephron, and return them to the bloodstream

Answer 49

Proximal convoluted tubules

Question 50

Capillary bed surrounding the convoluted tubules

Answer 50

Peritubular arteries

Question 51

Long extension of the nephron tubule that descends into the medulla of the kidney, forming a concentration gradient that removes additional water and sodium chlonde, and produces a highly concentrated urine

Answer 51

Loop of Henle

Question 52

Series of tubules that selectively remove additional water and sodium chloride, but retain potassium

Answer 52

Distal convoluted tubules

Question 53

Several nephrons converge on a single _________, which further concentrates urine while passing it along to the ureter

Answer 53

Collecting ducts

Question 54

Transports urine to the urinary bladder

Answer 54

Ureter

Question 55

Stores urine

Answer 55

Urinary bladder