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PowerPoint to accompany Essentials of Medical Language 2e Allan, Lockyer. Chapter 14: The Male Reproductive System The Essentials of the Language of the Male Reproductive System. Male Reproductive System. Lesson 14.1: Male Reproductive System and Testes. 14-2. Male Reproductive System. - PowerPoint PPT Presentation
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Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
PowerPoint to accompany
Essentials of Medical Language 2e Allan, Lockyer
Chapter 14:The Male Reproductive System
The Essentials of the Language of the Male Reproductive System
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-2
Male Reproductive System
Lesson 14.1: Male Reproductive System and Testes
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
Male Reproductive System
1. Primary Sex Organs (gonads): two testes
2. Secondary Sex Organs:penis, scrotum, system of ducts including epididymis, ductus (vas) deferens, urethra
3. Accessory Glandsprostate, seminal vesicles, bulbourethral glands
14-3
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
Male External Genitalia
• Perineum
• Scrotum
• Testes
• Penis
14-4
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
Testes
• 250 Lobules, each containing three or four seminiferous tubules where sperm are being formed.
• Epididymis stores sperm until maturity.
• Interstitial cells produce androgens, including testosterone.
• Supported from abdominal cavity by spermatic cord
14-5
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
Functions of Testosterone
• Stimulates spermatogenesis.
• Stimulates development of male secondary sex characteristics.
• Stimulates growth burst at puberty.
• Stimulates brain to increase sex drive.
14-6
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Spermatogenesis• Germ cells (23 pairs of chromosomes = 46
total) in seminiferous tubules
• Divide into 2 identical copies called daughter cells (23 pairs of chromosomes)
• Divide again into 4 daughter cells (23 chromosomes, not pairs) which mature into spermatozoa
14-7
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-8
Disorders of the Testes
• Testicular torsion
• Varicocele
• Hydrocele
• Spermatocele
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14-9
Disorders of the Testes
• Cryptorchism
• Epididymitis
• Orchitis
• Testicular cancer
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-10
Word Analysis and Definition
• Analyze the following terms into elements and define each term:
– epididymis
– spermatogenesis
– cryptorchism
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-11
Word Analysis and Definition
• Give the meaning of each Latin or Greek term:
– gonad
– sperm
– penis
– torsion
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-12
Word Analysis and Definition
• Change the following terms from the singular to the plural form:– gonad
– sperm
– testis
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-13
Word Analysis and Definition
• Give the adjective form of:– testicle
– scrotum
– sperm
– penis
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-14
Word Analysis and Definition
• Identify the root elements of the following:– androgen– testosterone – seminiferous
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-15
Word Analysis and Definition• Identify the common elements and
compare each set of terms:
– mitosis and meiosis
– hydrocele, spermatocele, and varicocele
– orchitis and cryptorchism
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-16
Word Analysis and Definition• Decompose the following term into its
elements:
– epididymoorchitis
epi- -didym/o- -orch- -itis
• Define the following abbreviations:
– SET
– STD
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
The Male Reproductive System
• Lesson 14.2
• Spermatic Ducts, Accessory Glands and Penis
14-17
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14-18
Spermatic Ducts and Accessory Glands
• Spermatic ducts
– epididymis
– vas deferens
– ejaculatory duct
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
Accessory Glands
• Seminal vesicles (2)
• Prostate gland (1)
• Bulbourethral glands (2)
• Seminal fluid contains components produced by all five accessory glands.
• Seminal fluid + sperm = semen
14-19
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-20
Word Analysis and Definition
• Define the following terms:
– prostate
– ejaculate
– motility
– residual
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-21
Word Analysis and Definition
• Change the following terms from the noun to the adjective form and define them:– prostate– semen– sperm– ejaculation
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-22
Disorders of the Prostate Gland
• Benign prostatic hyperplasia (BPH)
• Prostatic cancer
• Prostatitis
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-23
Abbreviations
• Define the following abbreviations:
– DRE
– mL
– PSA
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-24
Word Analysis and Definition
• Contrast the following sets of terms:
– anorchism and cryptorchism
– hyperplasia and hypertrophy
– vasectomy and vasovasostomy
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-25
Abbreviations
• Define the following abbreviations:
– BPH
– BEP
– PSA
– TURP
– NIH
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
Penis
• Shaft
• Glans
• Prepuce (foreskin)
• Corpora cavernosa
• Corpus spongiosum
• Erection Ejaculation
• Circumcision
14-26
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14-27
Disorders of the Penis
• Disorders of the penis
– trauma
– priapism
– cancer
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14-28
Disorders of the Penis
• Disorders of the penis (cont.)
– sexually transmitted diseases (STDs)
– erectile dysfunction (ED)
– premature ejaculation
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-29
Disorders of the Prepuce
• Balanitis
• Phimosis
• Paraphimosis
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14-30
Word Analysis and Definition
• Define the following terms:– erection– impotence– circumcision
Copyright © 2012 The McGraw-Hill Companies, Inc. All rights reserved.McGraw-Hill
14-31
Word Analysis and Definition
• Define the following Latin and Greek terms:
– corpus
– glans
– prepuce
– prostate
– gonad
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