Human reproduction Flashcards
As you are aware, humans are sexually reproducing and ____
viviparous
The reproductive event in humans which includes formation of gametes is called _____
gametogenesis
Transfer of sperms into the female genital tract is called
Insemination
Formation of the zygote is followed by formation and develpment of _____ and its attachment to the uterine wall
blastocyst
_______ refers specifically to the attachment of the fertilized egg to the uterine wall
Implantation
The average duration of human pregnancy is about 9 months which is called the ____ period
Gestation
Delivery of the baby is called
Parturition or childbirth
The male reproductive system is located in the ____
Pelvis region
_______ system includes a pair of testes along with accessory ducts, glands and the external genitalia
Male reproductive system
The _____ are the primary male reproductive organ
testes
Secondary sex organs in a male are
Accessory ducts, glands and external genitalia
The testes are situated outside the abdominal cavity within a pouch called
scrotum
The scrotum helps in maintaining the ____ of the testes
Low temperature
In adults, each testes is _____ in shape, with a length of about ____ and a width of about _____
Oval; 4 to 5 cm; 2 to 3 cm
Each testes has about ____ compartments
250
Each testes has about 250 compartments called ______
Testicular lobules
Each testicular lobules contains one to three highly coiled _______
Seminiferous tubules
Each seminiferous tubules is lined on its inside by two types of cells called _____ and _____
Male germ cells (spermatogonial) and sertoli cells
The region outside the seminiferous tubules is called?
Interstitial space
______ cells synthesise and secreted testicular hormones called androgens
Leydig cells
Leydig cells synthesise and secreted testicular hormoness called?
androgens
The male sex accessory ducts include?
Rete testis, Vasa efferentia, epididymis and vas deferens
The seminiferous tubules of the testis open into the vasa efferentia through _____
Rete testis
The vasa efferentia leave the testis and open into _____ located along the posterior surface of each testis
Epididymis
The epididymis leads to vas deferens that ascends to the abdomen and loops over the ____
Urinary bladder
The vas deferens recieves a duct from the seminal vesicle and opens into the urethra as the ____
Ejaculatory duct
The urethra originates from the ______
Urinary bladder
The urethra originates from the urinary bladder and extends through the penis to its external opening called?
Urethral meatus
The penis is the male external genitalia. Its is made up of special tissue that helps in erection of the penis to facilitate _______
Insemination
The enlarged end of the penis is called
Glans penis
Glans penis covered by a loose fold of skin called
foreskin
Male accessory glands include-
Paired seminal vesicles, prostate, and paired bulbourethral glands
Seminal plasma is rich in ______, ______ and ______
Fructose, calcium and certain enzymes
The female reproductive system consists of a pair of ovaries along with:
A pair of oviduct, uterus,cervix, vagina and the external genitalia
Female reproductive system is located in the_____ region
pelvic
Parts of the female reproductive system along with a pair of the ______ are integrated structurally and functionally to support the processes of ovulation, fertilization, pregnancy, birth and child care
Mammary glands
_____ are the primary female sex organs that produce the female gametes and several steroid hormones
ovaries
Generally most ovarian hormones chemically are:
Steroid hormones
Estrogen and progesterone are _____ hormones
Ovarian hormones
The ovaries are located one on each side of the:
Lower abdomen
Each ovary is about ____in length and is connected to the pelvic wall and uterus by ligaments
2 to 4 cm
Ovaries are connected to the pelvic wall and uterus by
ligaments
Each ovary is covered by a thin epithelium which encloses the:
Ovarian stroma
The stroma is divided into ___ zones
two
The stroma is divided into two zones- ____ and ____
A peripheral cortex and inner medulla
The oviducts (fallopian tubes), uterus and vagina constitute the:
Female accessory ducts
Each fallopian tube is about ____ long
10-12 cm
The part closer to the ovary is the funnel-shaped:
Infundibulum
The edges of the infundibulum possess finger-like projections called
fimbriae
Fimbriae help in collection of the ovum after ____
Ovulation
The part of the oviduct closer to the ovary is
Infundibulum
Wider and second part of the oviduct is called
ampulla
The last and narrow part of the oviduct is called
Isthmus
Isthmus has a narrow lumen and it joins the ____
uterus
The uterus is also called
womb
The shape of the uterus is like an
Inverted pear
The uterus opens into the vagina through a:
Narrow cervix
The cavity of the cervix is called
Cervical canal
Cervical canal along with vagina forms the:
Birth canal
The wall of the uterus has ___ layers of tissue
three
