McD
Chapter 16: The Reproductive System
Male Reproductive System .....
p. 506
A. Figure 16.2 is a sagittal view of the male reproductive structures. Identify the
following organs on the figure by writing each term at the appropriate leader line.
Bulbourethral gland
Erectile tissue
Prostate gland
Urethra
Ductus deferens Ejaculatory duct Epididymis
Glans penis
Prepuce
Seminal vesicle Scrotum
Testis
Urinary
bladder
Symphysis
pubis
Rectum
B. Match each term with the appropriate anatomical descriptions.
a. bulbourethral gland
(3) d. epididymis
(2) g. prepuce
(2)j. scrotum
(3) b. ductus deferens
c. erectile tissue
e. glans penis
h. prostate gland
f. penis
(2)i. seminal vesicles
k. testes
(2)1. urethra
,, 1. Paired dorsal columns of spongy tissue that is engorged with blood
during erection, causes the penis to enlarge and become rigid ÿ
L_ 2. Portion of the duct system that also serves the urinary system %Lÿ e_k-Jÿ-cx_..
Structure that provides the ideal temperature conditions for sperm
formation ÿ('0ÿ4.) ÿ'ÿ
D 4. Structure cut or cauterized during a vasectomy (ÿCÿ ÿ6ÿ-Xÿ4"tÿ
___6_5. Structure removed in circumcision 0 ('ÿ-ÿ %)(Lg,-
Gland whose secretion contains sugar to nourish sperm iÿ0,,ÿ._ÿaÿ %JÿLÿ ÿ Cÿ0ÿ
_&_7. Structure that stores immature sperm ÿ,ÿ &ÿ ÿ
_ÿ.,____6.
__k_8. Organ that delivers semen to the female reproductive tract ÿ)0.iKLÿ
Site of sperm and testosterone production Lÿ-ÿ.ÿ9
Passageway for conveying sperm from the epididymis to the ejaculatory
duct ÿdd'cÿ ÿdÿ'a_ÿ
._ÿr___11.
Conveys both sperm and urine down the length of the penis %t.Xÿvÿ\V,ÿ
External skin sac that housed the testes b CX'OÿOÿ
Hugs the lateral aspect of the testes 9,dptckÿ_ÿ.ÿb -
°_ÿ4.
5.
Cuff of skin encircling the glans penis (hYÿ
Surrounds the urethra at the base of the bladder; produces a milky alkaline
fluid ÿ£)L,ÿvÿ_ÿ O3ÿwÿ-ÿ
_ ,
"\
Produces over half of the seminal fluid ÿ6ÿCt_k %/0_2ÿL,Ltÿ
_ÿ17. Empties a lubricating mucus into the urethra ÿ(0ÿ %t£ ©ÿ,('cÿ C
18. Site where sperm become both motileand fertile ÿf)l PÿÿLK%
_kz_16.
___ÿ29.
Also known as vas deferens c(_ÿ c,ÿ C_ÿLÿ" ÿv,dv ÿ" "ÿ"- - - (ÿ
_ 2o.
Enlarged tip of penis Oÿxÿ' ÿ3 ©V',Kÿ
q
C. Explain how the scrotal muscles (dartos and cremaster) help to maintain
temperature homeostasis of the testes?
:T::'
W.
Figure 16.5 illustrates a single sperm. P. 510
Label" Acrosome, Head, Midpiece, Mitochondria, Nucleus, Tail
1. Which is the,DNA cgntaining area? vÿL ÿ]L ÿ0.xLÿ
2.
a. Which is the enzyme-containing sac?
-0xe
b. What its function?
3. Which movement?
labeled structureÿ)
is an
that
'sperm
CÿorganelIe
ÿ (ÿCt..,
provide ATP to energize
E. There are many hormones that play various roles in the male reproductive system,
II
//
but which hormone is considered to be the male sex hormone.ÿ_,ÿxÿ ÿr-ÿ ÿ ÿzj 'ÿ ÿ'k-ÿrÿ'Oÿ'ÿ
Briefly discuss its role.
F°