Reproductive system

51問 • 1年前

eiren

通報

問題一覧

Why is the scrotum located outside the body

Optimal sperm production requires lower temperature

Identify the correct path of sperm to exit the male body during ejaculation

Epididymis → ductus deferens → ejaculatory duct → urethra

What is the function of seminiferous tubules?

Sperm production

Where are seminiferous tubules located?

The testes

Where do sperm partially mature?

The rete testis

Where are sperm stored until ejaculation?

The tail of the epididymis

Where do sperm fully mature?

The epididymis

How do sperm leave the testes during ejaculation?

The ductus deferens

Each ejaculatory duct enters the ___ to propel sperm from the ductus deferens to the urethra

Prostate

What is the function of the urethra

Convey both semen and urine (at different times)

The penis is the male ___ organ

Copulatory

What produces the bulk of semen?

The seminal vesicles

What does the semen produced by the seminal vesicles contain?

Fructose, fibrinogen and prostaglandins

Why is the fructose in semen important?

Provides energy for sperm to swim

What does the prostate gland produce for ejaculation?

30% of semen

What enzyme does the prostate produce?

Fibrinolysin

What role does the bulbourethral gland have in ejuculation?

Neutralizing the urethra and vagina

How does a vasectomy prevent pregnancy?

Cutting the ductus deferens so sperm does not leave the testes

An erection is ___

A parasympathetic reflex

Why does urine not enter the urethra during ejaculation?

The smooth muscle sphincters of the bladder close

The spermatic cord contains blood vessels and nerves

True

Define crossing over

Non sister chromatids exchange DNA

Define diploid

Two complete sets of chromosomes in a cell

Define haploid

A cell with a single set of chromosomes

What is the function of meiosis l?

Reduces chromosomal number from 2n → n

Why is meiosis l important?

To increase genetic variability

What are the male stem cells?

Spermatogonia

What are the female stem cells?

Oogonium

What are the male daughter cells of meiosis ll?

Spermatids

How long do males undergo spermatogenesis?

Puberty to death

How long do females undergo oogenises?

Fetal to menopause

How do semen travel from the testes to urethra?

Peristalsis

The female gonads are called

Ovaries

What is a graafian follicle?

A fully mature ovarian follicle

What is ovulation?

Ejection of the secondary oocyte from the ripening follicle

Where does fertilization occur?

In the uterine tubes

The fimbriae carry oocytes to the uterine tubes

True

How does the oocyte go from the uterine tubes to the uterus

Peristalsis and cilia

An ectopic pregnancy is a fertilized egg implanting anywhere other than the appropriate uterine wall

True

The layers of the uterine wall from superficial to deep are

Perimetrium → myometrium → endometrium

Which uterine wall layer contracts and does reverse peristalsis?

Myometrium

Which uterine wall layer does the egg implant into?

The endometrium

Which strata of the endometrium does an egg implant into?

The stratum functionalis

Which strata of the endometrium sheds during menstruation?

The stratum functionalis

Which strata of the uterus does not respond to hormones?

Stratum basalis

What is endometriosis?

The endometrium growing outside the uterus

What is the female copulation organ?

Vagina

The clitoris is homologous to the ___

Penis

The clitoris contains the erectile tissue ___

Corpora cavernous

The number of functional gametes after spermatogenis is

4 haploid sperm

The number of functional gametes after oogenesis is

1 haploid ovum and 3 polar bodies

211 exam 2 ch18 part 1

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211 exam 2 ch18 part 1

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211 exam 2 ch18 part 2

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211 exam 2 ch18 part 2

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211 exam 2 ch19 part 1

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211 exam 2 ch19 part 1

The cardiac cycle

The cardiac cycle

211 exam 2 ch22

211 exam 2 ch22

211 lab quiz 4

211 lab quiz 4

211 exam 3 ch 24

211 exam 3 ch 24

211 lab quiz 4 cat anatomy

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211 lab quiz 4 cat anatomy

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211 lab quiz 4 reproductive anatomy extra

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211 lab quiz 4 reproductive anatomy extra

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211 lab quiz 4 urinalysis

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211 lab quiz 4 urinalysis

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211 lab quiz 4 urinary system

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211 lab quiz 4 urinary system

Urinary system

Urinary system

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211 exam 3 ch 23

211 exam 3 ch 25

211 exam 3 ch 25

211 exam 3 ch 26

211 exam 3 ch 26

211 lab quiz 3 terms

211 lab quiz 3 terms

General practice quiz

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General practice quiz

Quiz 5 histology

Quiz 5 histology

Hormones

Hormones

Diabetes

Diabetes

Reproductive system

Reproductive system

Endocrine system

Endocrine system

Blood

Blood

Lymphatic system

Lymphatic system

Cardiovascular system

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Cardiovascular system

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Cardiovascular system; Blood vessels

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Cardiovascular system; Blood vessels

Respiratory system

Respiratory system

Urinary System

Urinary System

Digestive system

Digestive system

Terminology

Terminology

Ch 1

Ch 1

Mini practical

Mini practical

Chapter 2

Chapter 2

Chapter 4

Chapter 4

Chapter 6

Chapter 6

Chapter 7

Chapter 7

Chapter l

Chapter l

Chapter 2

Chapter 2

Chapter 4

Chapter 4

Chapter 5 Microbial Metabolism

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Chapter 5 Microbial Metabolism

33問 • 1年前

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Chapter 5 Microbial Metabolism

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Chapter 5 Microbial Metabolism

Mini practical 2

Mini practical 2

Skills 8

Skills 8

Chapter 6 Microbial Growth

eiren · 20問 · 1年前

Chapter 6 Microbial Growth

Skills 7

Skills 7

Chapter 7 Control Of Microbial Growth

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Chapter 7 Control Of Microbial Growth

Skills 5

Skills 5

Chapter 8 Microbial Genetics

eiren · 41問 · 1年前

Chapter 8 Microbial Genetics

Skills 4

Skills 4

Skills 6

Skills 6

Chapter 9

Chapter 9

Chapter 10

Chapter 10

Chapter 11

Chapter 11

Chapter 13

Chapter 13

Chapter 12 Fungi, Algae, Protozoa, Multicellular Parasites

eiren · 65問 · 1年前

Chapter 12 Fungi, Algae, Protozoa, Multicellular Parasites

65問 • 1年前

eiren

問題一覧

Why is the scrotum located outside the body

Optimal sperm production requires lower temperature

Identify the correct path of sperm to exit the male body during ejaculation

Epididymis → ductus deferens → ejaculatory duct → urethra

What is the function of seminiferous tubules?

Sperm production

Where are seminiferous tubules located?

The testes

Where do sperm partially mature?

The rete testis

Where are sperm stored until ejaculation?

The tail of the epididymis

Where do sperm fully mature?

The epididymis

How do sperm leave the testes during ejaculation?

The ductus deferens

Each ejaculatory duct enters the ___ to propel sperm from the ductus deferens to the urethra

Prostate

What is the function of the urethra

Convey both semen and urine (at different times)

The penis is the male ___ organ

Copulatory

What produces the bulk of semen?

The seminal vesicles

What does the semen produced by the seminal vesicles contain?

Fructose, fibrinogen and prostaglandins

Why is the fructose in semen important?

Provides energy for sperm to swim

What does the prostate gland produce for ejaculation?

30% of semen

What enzyme does the prostate produce?

Fibrinolysin

What role does the bulbourethral gland have in ejuculation?

Neutralizing the urethra and vagina

How does a vasectomy prevent pregnancy?

Cutting the ductus deferens so sperm does not leave the testes

An erection is ___

A parasympathetic reflex

Why does urine not enter the urethra during ejaculation?

The smooth muscle sphincters of the bladder close

The spermatic cord contains blood vessels and nerves

True

Define crossing over

Non sister chromatids exchange DNA

Define diploid

Two complete sets of chromosomes in a cell

Define haploid

A cell with a single set of chromosomes

What is the function of meiosis l?

Reduces chromosomal number from 2n → n

Why is meiosis l important?

To increase genetic variability

What are the male stem cells?

Spermatogonia

What are the female stem cells?

Oogonium

What are the male daughter cells of meiosis ll?

Spermatids

How long do males undergo spermatogenesis?

Puberty to death

How long do females undergo oogenises?

Fetal to menopause

How do semen travel from the testes to urethra?

Peristalsis

The female gonads are called

Ovaries

What is a graafian follicle?

A fully mature ovarian follicle

What is ovulation?

Ejection of the secondary oocyte from the ripening follicle

Where does fertilization occur?

In the uterine tubes

The fimbriae carry oocytes to the uterine tubes

True

How does the oocyte go from the uterine tubes to the uterus

Peristalsis and cilia

An ectopic pregnancy is a fertilized egg implanting anywhere other than the appropriate uterine wall

True

The layers of the uterine wall from superficial to deep are

Perimetrium → myometrium → endometrium

Which uterine wall layer contracts and does reverse peristalsis?

Myometrium

Which uterine wall layer does the egg implant into?

The endometrium

Which strata of the endometrium does an egg implant into?

The stratum functionalis

Which strata of the endometrium sheds during menstruation?

The stratum functionalis

Which strata of the uterus does not respond to hormones?

Stratum basalis

What is endometriosis?

The endometrium growing outside the uterus

What is the female copulation organ?

Vagina

The clitoris is homologous to the ___

Penis

The clitoris contains the erectile tissue ___

Corpora cavernous

The number of functional gametes after spermatogenis is

4 haploid sperm

The number of functional gametes after oogenesis is

1 haploid ovum and 3 polar bodies