Reproductive System Key Terms

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Scrotum

fat skin and muscle pouch to protect and control temperature of testicles

Testis

testicles

Epididymis

pouch like structure on top of testis

Ductus Deferens

contracts to push sperm along to accessory glands

Seminal vesicles

Accessory glands that add another component to make semen

Prostate Gland

Gland that produces a clear slightly alkaline fluid that makes up 10-30% of semen

Cowper's Gland

One of two small glands that produces a clear, viscous secretion known as pre-ejaculate. This fluid helps to lubricate the urethra for spermatozoa to pass through, and to help flush out any residual urine or foreign matter

Urethra

A tube connecting the bladder to outside of the body. Excretes both semen and urine

Corpus Cavernosum

spongelike rehions that are found in both the penis and clitoris

Corpus Spongiosum

the mass of spongy tissue surrounding the male urethra within the penis

Glans Penis

The tip of the penis covered by foreskin

Urethral Orifice

The hole atr which the urethra meets the outside world

Impotence

Difficulty maintaining or having an erection

Infertility

biological incapability to contribute to conception

Sterility

Absolute inability to contribute to conception

Oligospermia

A condition in which a male has less than 20 million sperm per ml of ejaculate

Cryptorchidism

absence of one or both testes from the scrotum

Acrosome

An organelle with a cap like shape that develops over the head of a spermatazoa

Vagina

the tubular tract leading from the uterus to the exterior of the body in females

Cervix

lower narrow portion of uterus where it joins with the vagina

Uterus

The womb opens to vagina and fallopian tubes

Perimetrium

outer srosa layer of the uterus

Myometrium

Middle layer of uterine wall

Endometrium

the inner membrane of the uterus, preventing adhesions between the opposed walls of the myometrium, thereby maintaining the patency of the uterine cavity. During the menstrual cycle or estrous cycle, the endometrium grows to a thick, blood vessel rich, glandular tissue layer. This represents an optimal environment for the implantation of a blastocyst upon its arrival in the uterus.

Fallopian Tubes/Oviducts

two very fine tubes leading from the ovaries to the uterus

Cilium

moves the ovum from the ovariesto the Uterus

Ovaries

egg producing reproductive organ

Fimbria

tissue leading from the fallopian tubes to the ovaries, "grabs" eggs

Spermatogenesis

process by which male gametogonia develop into mature spermatozoa

Spermatogonium

an intermediary male gametogonium (a kind of germ cell) in the production of spermatozoa.

Spermatocytes

a male gametocyte which is derived from a spermatogonium. Initially, a spermatogonium divides by mitosis into two so-called primary spermatocytes

Spermatids

the haploid male gametid that results from division of secondary spermatocytes

Semineferous Tubules

the specific location of meiosis, and the subsequent creation of gametes

Tunica Albuginea

fibrous covering of the testis

Oogenesis

the creation of an ovum

Sterilization

operation which renders one unable to procreate

Implantation

The Attachment of the embryo to the uterus

Zygote

the result of fertilization

Morula

an embryo at an early stage of embryonic development, consisting of approximately 12-32 cells (called blastomeres

Blastocyst

stage after Morula

Mentsrual Cycle

cycle of ovulation and menstrual bleeding

Labor

the baby pops out to say HeY!

Parturition

Childbirth

Primary Follicle

follicles present at peberty

Graafian Follicle

a mature ovum in its sac

Oocyte

immature stage of the female sex cell

Ovulation

ovarian follicle ruptures and discharges a ovum

Menopause

when menstrual cycles stop

Menses

menstrual flow

Dymenorrheea

painful menstruation

Ammenorrhea

absence of normal menstruation

Premenstrual syndrome

physiological and physical craziness before menstruation

Hysterectomy

surgical removement of the uterus

Conception

fertilization

Corpus Luteum

a hormone secreting glandular structure transformed after ovulation from a ruptured follicle

Testosterone

male sex hormone produced in the testes

Estrogen

the female sex hormone produced in the ovaries

Progesterone

hormone produced by the corpus luteum; stimulates the secretion of the uterine lining; with estrogen, helps initiate puberty in females

Clitoris

erectile tissue located in the vestibule of the vagina

Clitaderectomy

surgical removal of the clitoris

Hymen

membrane that may partially or totally occlude the vaginal outlet

Menarche

beginnings of the mentsrual function

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