The Reproductive System Chapter 18
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| show | mitosis
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| show | 10 years
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| show | 46 chromosomes(groups of genes)
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| A special type of cellular division that produces the sex cells (spermatozoa & ova) is called | show 🗑
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| show | 23 chromosomes
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| The primary sex organs of the male reproductive system are the | show 🗑
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| show | testicular arteries
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| show | testicular veins
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| show | 1) Spermatozoa 2) Testosterone
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| Spermatozoa are | show 🗑
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| The part of a testicle where spermatogenesis occurs is called the | show 🗑
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| show | 300 million/day
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| Spermatozoa have three distinct parts called the | show 🗑
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| Each head contains | show 🗑
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| show | genes
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| Genes contain | show 🗑
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| Each midpiece contains the | show 🗑
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| show | propel a spermatozoon(singular) up the female reproductive tract
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| show | epididymis(mature/rippen)
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| An epididymis is a tube(duct) whose length is approximately | show 🗑
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| It takes the spermatozoa approximately | show 🗑
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| show | Vasa deferentia AKA seminal ducts AKA ductus deferentes (all are plural) vas deferens AKA seminal duct AKA ductus deferens(singular)
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| Surgical removal of a section from both seminal ducts causing sterility(infertility) is called a | show 🗑
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| A Bilateral vasectomy will not affect the | show 🗑
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| show | spermatic cord
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| show | ejaculatory ducts
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| The liquid portion of the ejaculate is called the | show 🗑
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| The average volume of semen per ejaculation is | show 🗑
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| show | 300 million
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| Only thousands reach the | show 🗑
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| Only a few hundred reach the | show 🗑
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| If the number of spermatozoa falls below 20 million, the male is considered | show 🗑
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| show | 48-72 hours
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| show | the ovum(singular) has a protective membrane that must be broken down by an enzyme secreted from the head of each spermatozoon(singular)
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| show | *Milky in color *viscous(thick) *sticky because it contains fructose(energy for the spermatozoa) *alkaline so it can neutralize the acidity of the vaginal secretions & urine
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| show | contains seminalplasmin/capability of protecting spermatozoa by destroying certain bacteria found in vaginal tract/semen *contains enzymes/activate spermatozoa after ejaculation *contains prostaglandins/promote muscular contractions of female gential tr
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| Semen is produced by the | show 🗑
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| The prostate is a donut-shaped gland approximately the size and shape of a | show 🗑
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| The prostate surrounds the superior portion of the | show 🗑
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| show | posterior to and at the base of the urinary bladder in front of the rectum
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| The bulbourethral(cowper) glands are paired glands the size of | show 🗑
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| show | male sex hormone
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| show | interstital cells of Leydig
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| show | develop & maintain male sex organs*descent(just before birth) of the testes from the abdominopelvic cavity into the scrotum*broadening the shoulders & narrowing the hips during puberty*Protein build muscles producing muscular bulk/firmness in the physique
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| show | Maturation of the spermatozoa*enlargement of the thyroid cartilate(adam's apple)*deepening of the voice*influending aggressive behavior*causing facial-body-public hair to appear*stimulates the sexual drive(libido)
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| show | scrotum
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| Internally the scrotum is separated into | show 🗑
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| Each sac contains a | show 🗑
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| show | spermatozoa & testosterone production require a temperature -3F lower than normal body temperature
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| show | contract & relax
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| show | vessel that carries urine, spermatozoa, & semen to the outside world
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| The length of the male urethra is approximately | show 🗑
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| The male urethra is subdivided into three parts | show 🗑
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| The penis is designed to | show 🗑
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| show | glans penis
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| show | prepuce(forskin)
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| show | three cylindrical masses of spongy tissue containing blood sinus
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| Sexual stimulation causes the penile arteries to | show 🗑
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| show | penile veins
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| when the penile arteries dilate and the expansion of the sinuses compress the penile veins this causes an | show 🗑
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| Once sexual stimulation ceases, the penile arteries will | show 🗑
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| show | the erection is lost
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| The inability to achieve or maintain an erection is called | show 🗑
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| Impotence(Erectile Dysfunction/ED) can be caused by | show 🗑
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| Viagra, Cialis & Levitra work by | show 🗑
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| show | paired female gonads called ovaries
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| show | unshelled almonds
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| The ovaries are located in the | show 🗑
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| show | utero-ovarian ligament
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| show | 1. Oogenesis(creation of ova) 2. Production of the female sex hormones estrogen & progesterone
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| Immature ova are called | show 🗑
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| Developing ova are referred to as | show 🗑
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| show | FSH (Follicle Stimulation Hormone) and is released approximately every 28 days
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| The pituitary gland produces a hormone that stimulation ovulation called | show 🗑
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| Expulsion of an ovum from the ovary is called | show 🗑
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| The average female can ovulate approximatley | show 🗑
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| Usually the ovaries | show 🗑
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| If the ovaries ovulate at the same time and the two ova are fertilized, the result will be | show 🗑
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| show | identical(monozygotic) twins
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| show | fallopian tubes AKA uterine tubes AKA oviducts
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| show | fimbriae
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| show | 1. A waving action of the fimbriae 2. Ciliary action 3. Peristalsis
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| Estrogen released during puberty causes the development of secondary female sexual characteristics such as | show 🗑
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| show | fertilization(conception)
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| Development of a fertilized ovum is called | show 🗑
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| show | the womb
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| show | urinary bladder & the rectum
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| The uterus is the shape of an | show 🗑
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| The uterus should be angled forward in an | show 🗑
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| show | 1.Implant 2.Develop into a zygote, embryo & fetus 3.Be expelled during labor
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| The superior portion of the uterus is called the | show 🗑
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| show | corpus(body)
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| The inferior portion(neck) of the uterus is called the | show 🗑
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| show | uterine cavity
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| show | cervical canal
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| show | external os
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| The outermost layer of the uterus is called the | show 🗑
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| The midde(muscle) layer of the uterus is called the | show 🗑
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| show | endometrium
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| The region between the uterus and rectum(recto-uterine pouch) is called the | show 🗑
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| show | menstruation(menses)
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| show | 24-35 days
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| show | 1. Menstrual phase -- days 1-5 2. Pre-ovulatory phase -- days 6-13 3. Ovulatory phase -- day 14 4. Post-ovulatory phase -- days 15-28
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| The menstrual phase involves | show 🗑
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| show | regeneration of the endometrium in preparation for implantation
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| The ovulatory phase involves | show 🗑
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| The post-ovulatory phase involves | show 🗑
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| The hormones responsible for the development of the endometrium are | show 🗑
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| Most birth control pills(BCPs) are varying dosages of | show 🗑
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| The tissue that will form a connection between the maternal and fetal blood supplies is called the | show 🗑
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| show | HCG (Human Chorionic Gonadotropin)
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| show | Early Pregnancy Test(EPT)
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| show | urine or serum
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| The placenta also secretes increasing levels of estrogen and progesterone to support the pregnancy and cause | show 🗑
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| The vagina is a tubular structure which is lined with | show 🗑
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| The functions of the vagina include | show 🗑
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| The connection between the vagina and the cervix is called the | show 🗑
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| The external female genitalia is called the | show 🗑
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| The mound of elevated adipose(fat) tissue that becomes covered with pubic hair is called the | show 🗑
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| The lips of the vaginal orifice(os) are called the | show 🗑
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| show | clitoris
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| The region within the labia majora and labia minora is called the | show 🗑
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| Within the vestibule is a thin fold of tissue that partially closes the distal end of the vagina called the | show 🗑
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| show | lesser vestibular glands AKA Skene's glands
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| show | greater vestibular glands AKA Bartholin's glands
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| The region between the vaginal os and the anus is usually referred to as the | show 🗑
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| show | external urogenital and anal region of both males and females
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| show | mammary glands
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| show | 15-20 lobes(sections)
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| In each lobe are smaller compartments called | show 🗑
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| show | adipose(fat) tissue deposited
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| Milk production(lactogenic) cells located in the lobules are called | show 🗑
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| show | ampullae AKA lactiferous sinuses
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| show | lactiferous ducts
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| show | mammary papilla
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| The dark pigmented region surrounding each nipple(papilla) is called the | show 🗑
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| show | lactation
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| The hormone secreted by the pituitary gland that stimulates the production of milk(lactogenesis) is called | show 🗑
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| ART is | show 🗑
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| show | In Vitro Fertilization
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| show | medications designed to stimulate the ovaries to ovulate
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