Human Biology-Ch. 15 Repreductive System

Front 1

Testes

Back 1

The male gonads, or primary sex organs

Front 2

Scrotum

Back 2

Testes are suspended in the sacs of the scrotum.

Front 3

Epiddidymis

Back 3

Tightly coiled duct lying just outside each testis. *maturation occurs here

Front 4

Vas Deferens

Back 4

When sperm leave an epididymis they enter vas deferens where they may also be stored for a time. Each curves around the bladder and empties into an ejaculatory duct.

Front 5

Uretha

Back 5

Tubular structure that receives urine from th eladder and carries it to the outside of the body.

Front 6

Semen

Back 6

At the time of ejaculation, sperm leave the penis in a fluid called semen.

Front 7

Acrosome

Back 7

Cap at the anterior end of a sperm that partially covers the nucleus and contains enzymes that help the sperm penetrate the egg.

Front 8

Assisited Reproductive technologies (ART)

Back 8

Medical tecniques, sometimes performed in vitro, that are done to increase the chances of prgnancy.

Front 9

Birth control pill

Back 9

Oral contraceptive containing estrogen and progesterone.

Front 10

Bulbourethral gland

Back 10

Either of two small stuctures located below the prostate gland in males each adds secretions to semen.

Front 11

Cervix

Back 11

Narrow end of the uterus, which projects into the vagina.

Front 12

Condomn

Back 12

Sheath used to cover the penis during sexual intercourse used as a contraceptive and, if latex, to minimize the risl of transmitting infection.

Front 13

Contraceptive

Back 13

Medication or device used to reduce the chance of pregnancy.

Front 14

Corpus Luteum

Back 14

Yellow body that forms in the ovary from a follicle that has discharged its secondary oocyte: it secretes progesterone and some estrogen.

Front 15

Diaphragm

Back 15

Dome shaped horizontal sheet of muscle and connective tissue that divides the thoracic cavity from the abdominal cavity. also, a birth control device consisting of a soft rubber or latex cup that fits over the cervix.

Front 16

Egg

Back 16

Female gamete having the haploid number of chromosomes that is fertilized by a sperm, the male gamete.

Front 17

Endometriosis

Back 17

presence of uterine tissue outside the uterus, which can contribute to infertility; possibly the result of irregular menstrual flow.

Front 18

Endometruim

Back 18

Mucous membrane lining the interior surface of the uterrus.

Front 19

Erectile dysfunction

Back 19

Failure of the penis to achieve erection.

Front 20

Estrogen

Back 20

Female sex hormone that helps maintain sex organs and secondary sec characteristics.

Front 21

Fimbria

Back 21

Fingerlike extension from the oviduct near the ovary

Front 22

Follicle

Back 22

Structure in the ovary that produces a secondary oocyte and the hormones estrogen and progesterone.

Front 23

Follicle Stimulating Hormone (Fsh)-

Back 23

Hormone secreted by the anterior pituitary gland that stimulates development of an ovarian follcicle in a female o the production of sperm in a male.

Front 24

Gamete

Back 24

haploid sex cell the egg or a sperm which join in fertilization to form a zygote

Front 25

Gonadotropin-releasing hormone-(Gnrh)

Back 25

Hormone secreted by the hypothalamus that stimulates the anterior pituitary to secret follicle stimulationg hormone and luteinzing hormone.

Front 26

Human chronic gonadotropin

Back 26

Hormone produced by the chorion that functions ot maintain the uterine lining.

Front 27

Implantation-

Back 27

Attachment and penetration of the embyro into the linging og the uterus

Front 28

Infertility

Back 28

Inability to have as many children as possible.

Front 29

Interstitial cell

Back 29

Hormone secreting cell located between the seminiferous tublules of the testes.

Front 30

Interstitial cell stimulating hormone (Icsh )

Back 30

Name sometimes given to luteinizing hormone in males controls th e production of testosterone by interstitial cells.

Front 31

Intrauterine devine

Back 31

Birth control device consisting of a small piece of molded plasic inserted into the uterus,and believed that fertilization does not occur.

Front 32

Luteinizing hormone

Back 32

Hormone that controls the production of testosterone by interstitial cells in males an promotes the development of the corpus luteum in females.

Front 33

Menopause

Back 33

Termination of the ovarian and uterine cycles in older women.

Front 34

Menstruation

Back 34

Loss of blood and tissue from the uterus at the end of a uterine cycle

Front 35

oogenesis

Back 35

Production of an egg in females by the process of meiosis and maturation.

Front 36

Oviduct

Back 36

Tube that transports eggs to the uterus;also called uterine tube.

Front 37

Ovary

Back 37

Female gonad that produces eggs and the female sex hormones

Front 38

Ovarian Cycle

Back 38

Monthly follicle changes occuring in the ovary that conntrol the level of sex hormones in the blood and the uterine cycle.

Front 39

Ovulation

Back 39

Release of secondary oocyte form the ovary if fertilization occurs, the sexoncdary oocyte becomes an egg.

Front 40

Pap test

Back 40

Analysis done on cervical cells for detection of cancer.

Front 41

placenta

Back 41

Structure that forms form the chorion and th uterine wall and allows the embryo, and then the getus, to axquire nutrients and rid itself of wastes.

Front 42

Penis

Back 42

External organ in males through which the urethra passes also serves as the organ of sexual intercourse.

Front 43

Progesterone

Back 43

Female sex hormone that helps maintain sex organs and secondary sex characteristics.

Front 44

Prostate gland

Back 44

gland located around the male yrethra below the urinary bladder adds secretions to semen