Chapter 4 - Male Structures Flashcards

1
Q

What are the external structures of the penis?

A
  • Corona
  • Frenulum
  • Glans
  • Urethral Opening
  • Foreskin
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2
Q

Frenulum

A
  • A highly sensitive thin strip of skin that connects the glans to the shaft on the underside of the penis
  • (Back little bridge thing)
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3
Q

What are glans?

A
  • The head of the penis
  • It is richly endowed with nerve endings
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4
Q

Corona

A
  • The Rim of the penile glans
  • (Bottom of tip)
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5
Q

Urethral opening

A
  • Where pee and semen come out
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6
Q

Fore skin

A
  • A covering of skin over the penile glans
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7
Q

What is the Scrotum?

A
  • The pouhc of skin of the external male genitals that enclose the testes
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8
Q

What are internal structures of scrotum?

A
  • Seminiferous Tubules
  • Epididymis
  • Vas Deference
  • Spermatic Cord
  • Testis
  • Cremasteric Muscle
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9
Q

What is Seminiferous Tubules

A
  • Creates Sperm
  • Located in Testes
  • Thin Coiled structures in which the testes travel through
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10
Q

What is Epididymis

A
  • Located right above testes/ On the back of each testis
  • Sperm goes here after being Created
  • Sperm matures here
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11
Q

What is Vas Deferens

A
  • Sperm held in Epdiidymis eventually drains into Vas Defrens
  • A long thin duct that goes up through scrotum inside spermatic cord
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12
Q

Cremasteric Muscle Fibers

A
  • Influence the Position of the testis in scrotal sac
  • These muscle can be voluntarily contracted
  • In Spermatic Cord
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13
Q

What Is cut during a vasectomy

A
  • Vas Deferens
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14
Q

Reproductive and Prostate stuff picture

A
  • Seminal Vesicle
  • Prostate gland
  • Cowper’s gland
  • Root of Penis
  • Rectum Anus
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15
Q

Seminal Vesicle

A
  • Two Small glands adjacent to the end s of the vas deferens that produce most of the liquid sperm travels in (70%)
  • Fluid is rich in Fructose
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16
Q

Prostate Gland

A
  • Structure the size and shape of walnut
  • Located at base of bladder
  • Ejacutlaory Ducts and Urethra pass through this gland
  • Produces 30% of semen
  • Very basic to help counteract vagina acidity
17
Q

Cowper’s Glands

A
  • Two pea Sized glands located alongside the base of the urethra in the male that secrete precuum
  • Goal is to lubricate urethra
  • Can still have live sperm depending on last erection
18
Q

What is the root?

A
  • The portion of the penis that extends internally into the pelvic cavity
19
Q

What is the Path of Sperm

A
  • Sperm is is created in Seminiferous Tubules
  • Sperm moves into Epididymis (20 foot long coiled tube)
  • Sperm matures in Epididymis over 2-7 weeks (this helps get rid of abnormal sperm)
  • Sperm then goes up Vas Deferens
  • Passes by Seminal Vesicle where 70% of seminal fluid is produced
  • Passed Prostate gland where 30% of seminal fluid is produced where it turns into combat Acidic vagina
  • Waits in ejaculatory duct
  • Cowper Gland Produce precum to lubricate urethra
20
Q

What are Erections Controlled by?

A
  • Automatic Nervous System
21
Q

Two Phases of Ejaculations?

A
  • Emission phase
  • Expulsion phase
22
Q

What is Emission phase

A
  • Gets sperms to top of urethra
23
Q

What is Expulsion Phase

A
  • Gets Sperm out of body
  • Takes 3-10 seconds
24
Q

Ejaculations are ….

A
  • A Spinal Reflex
25
Q

What are Noncancerous Testicular Masses?

A
  • Varicocele
  • Spermatocele
  • Hematocele
  • Testicular Torsion
  • Cryptorchidism
26
Q

What is Varicocele?

A
  • Dilation of the blood vessels in spermatic cord
  • Creates a ache in scrotum
  • Goes away if a male lies down for a minutes
  • TEMPORARY
27
Q

o Spermatocele

A
  • Cyst
  • Forms above the epiodlimyis
  • Filled of dead sperm
  • Ussually no symptoms accept for a physical feeling
  • No one often knows how it forms
  • Comonn mostly between men 40-60
28
Q

o Hematocele

A
  • Blood Filled Cist
  • Results after a blow to the testes (Ussually)
  • Typically no lasting effects
  • Gets reabsorbed and goes away eventually
29
Q

o Testicular Torsion

A

o Testicular Torsion
* Spermatic Cord gets tangled
* INTENSE PAIN
* Cut off blood flow to testes
* Requires Surgery
* Inherited Possibilities
 The Spermatic Cord is not as anchored

30
Q

o Cryptorchidism

A
  • Undescended Testicle
  • Happens to premature babies
  • Most Common infant Genital Issue
31
Q

Internal Non Cancerous Issues

A
  • Prostatitis
  • Benign prostate Hyperplasia
32
Q

o Prostatitis

A
  • Enlarged Prostate
     Cause by Inflamation
     Often from infection
     Shows itself in urinary issues
  • Pinches Urethra causing peeing issues
     Burning Sensation
     Problems peeing
     To much peeing
     Painful erections + Ejaculations
  • Common in older men
     Over 60 yearolds
     Can happen at any age
  • Common in men during their lifetimes
33
Q
  • Benign Prostate Hyperplasia
A

o A Enlarged Prostate
* Cells are still normal cells
* Its just bigger
o If a man lives long enough they will experience this
* 50% of men over 60 have a enlarged prostate
* 90% of 90 yearolds
o Last Resort they will use a baloon up the urethra to expand it

34
Q

Cancerous penis problems

A
  • Testicular Cancer
  • Penile Cancer
  • Prostate Cancer
35
Q
  • Testicular Cancer
A
  • Testicular Cancer
  • Accounts for 1-2% of cancer in males
  • Affects Younger males typically
     Between ages of 20-35
  • Rates have doubled in past 30-40 years
    o More Likely to get if
  • White
  • Cryptochristilism history
    o Common symptoms
  • You can feel the masss
  • Dull Ache
  • Fever
  • Horomone imbalences
     Causes male breasts and nipples to be more sensitive
    o Very Curable Cancer
  • 90% percent
  • Radiation + Chemo
  • Last Resort of removal
36
Q
  • Penile Cancer
A

o More likelt to get if
* Large # of sexual partners
* Over age of 50
* Lots of STIs in history
* Poor Genital Hygeine
* Being Uncircumcized
* Tobbaco Use

37
Q
  • Prostate Cancer
A

o 30% of men will get this
o 2nd leading cause of cancer depth
* After lung cancer
o The First Two stages are virtually undetectable without a prostate exam
* Beginning in stage 3 it begins to spread to other areas
o Risk Factors
* Old Age
* Family History
* Being African American
o Rectal Exams is used to palpate prostate to check for lumps

38
Q
A