Download - Most species have two sexes: male and female. Each sex has its own unique reproductive system
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Most species have two sexes:
male and female. Each sex has
its own unique reproductive
system.
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Male Reproductive System
By: Arauz, YiralisCaballero, GuersonCastillo, BelychyVega, GerardoVega, Jean
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Table of Contents
1. Introduction, The Male Reproductive System2. What the Male Reproductive System Do?3. Parts and Functions4. Diseases
End
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General
Dependent on hormonesSperm production
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Definition Development at puberty
The SpermThe
Fertilization
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What does the Male Reproductive System Do?
The male sex organs work together to produce and release semen into the reproductive system of the female during sexual intercourse.
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The Stages of PubertyThe first stage:
the scrotum and testes grow larger.
Next:the penis becomes longer, and
the seminal vesicles and prostate gland grow.
Finally:Hair begins to appear in the
pubic area and later it grows on the face and underarms.
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The Sperm
Sperm develop in the testicles within a system of tiny tubes called the seminiferous tubules.
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The head contains genetic material (genes). The sperm use their tails to push themselves into the epididymis.
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When the male ejaculates during intercourse, semen is deposited into the female's vagina.
The Fertilization
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The Male Reproductive System
The main anatomically male sex organs are the penis and the testes
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Click here for a front angle view
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Click here for a side angle view
Continue
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The Vas Deferens
AnatomyBasic Structure
Testicle
Penis
The Scrotum
Urethra
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The Vas DeferensWhat role does the vas deferens?
◦Transport the semen.
What is the vas deferens?◦It is a muscular tube that passes
by the testes that transports sperm.
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The TesticlesWhat role do the testicles?
◦Co-producers of sperm.◦Producers of sex hormones.
What are the testicles?◦The testicles are the male gonads, comprise
the most important part of this system.
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The ScrotumWhat are the functions of
the scrotum?◦Regular temperature.
What is the scrotum?◦It is a pouch that protrudes from
the pelvis, where hang the testicles and epididymis.
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The penis What role does the penis?
◦Reproductive function.
How is shaped penis?◦The penis is a cylindrical
organ containing erectile tissue spongy bodies contains three full length into the penis.
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Urethra
Regions of the urethraProstatic urethra –surrounded
by prostateMembranous urethra – from
prostatic urethra to penisSpongy (penile) urethra –
runs the length of the penis
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AnatomyBasic Structure, accessory organs
SeminalVesicles
Prostate
Bulbourethralgland
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◦Seminal vesicle◦Prostate gland◦Bulbourethral gland
Accessory organs
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Seminal Vesicles
Located at the base of the bladderProduces a thick, yellowish secretion (60% of
semen)Fructose (sugar)Vitamin CProstaglandinsOther substances that nourish and activate sperm
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Prostate GlandEncircles the upper part
of the urethraSecretes a milky fluidHelps to activate spermEnters the urethra
through several small ducts
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Bulbourethral GlandsPea-sized gland inferior to the
prostateProduces a thick, clear mucusCleanses the urethra of acidic urineServes as a lubricant during sexual
intercourseSecreted into the penile urethra
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Male Reproductive System Diseases.
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Male Reproductive System Diseases.
Varicocele Testicular Cancer.
Testicular Trauma
.
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This is a varicose vein in the network of veins that run from the testicles.
Varicocele.
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Testicular Cancer.
This is one of the most common cancers in men younger than 40.
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Testicular Trauma.
Even a mild injury to the testicles can cause severe pain, bruising, or swelling. Most testicular injuries occur when the testicles are struck, hit, kicked, or crushed.
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Thanks You
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