FINALS - semenalysis Flashcards
(164 cards)
what have resulted in increased emphasis on semen analysis.
Advances in the field of andrology
assisted reproductive technology (ART),
increased concern over fertility, particularly by couples choosing to have children later in life,
Patients with abnormal results on the routine semen analysis performed in the clinical laboratory are often referred to specialized andrology laboratories for further testing to determine the need for ___
in vitro fertilization (IVF)
In addition to fertility testing, the clinical laboratory performs ___ and ___ to
determine the presence of semen
post-vasectomy semen analysis
and
forensic analyses
The ___ are paired glands in the scrotum that contain
the seminiferous tubules for the secretion of sperm.
testes
The external location of the scrotum contributes to a __ scrotum
temperature that is optimal for sperm development
lower
germ cells for the production of spermatozoa are located in the ___ of the seminiferous tubules
epithelial cells
___ cells provide support and nutrients for the germ cells as they undergo mitosis and meiosis (spermatogenesis)
Specialized Sertoli
When spermatogenesis is complete, the immature sperm (nonmotile) enter the __
epididymis
In the epididymis, the sperm mature and develop ___.
flagella
The entire process of sperm maturation and development of flagella in epididymis takes approximately __days
90
The sperm remain stored in the __ until ejaculation
epididymis
The ejaculatory ducts receive both the sperm from the ___ and fluid from the ___
ductus deferens ; seminal vesicles
The ___ produce most of the fluid present in semen (60% to 70%)
seminal vesicles
this fluid is the transport medium for the sperm.
seminal fluid from seminal vesicle
Spermatozoa percent in semen
5%
seminal fluid percent in semen
60 - 70 %
prostate fluid percent in semen
20 - 30 %
bulbourethral gland percent in semen
5%
Spermatogenesis
Seminiferous Tubules of
Testes
Sperm Maturation
Epididymis
Propel the sperm to the
ejaculatory ducts
Ductus deferens
Provides nutrients for the
sperm and fluid
Seminal Vesicles
Provides enzymes and
proteins for coagulation
and liquefaction
Prostate Gland
Add alkaline mucus to
neutralize prostatic acid
and vaginal acidity
Bulbourethral glands