pathogen 2

Sexually Transmitted Diseases
- Syphilis
- Gonorrhea
- Chlamydia
- Chancroid
Syphilis
- Treponema pallidum
- Spirochete
- Transmitted by sexual intercourse
Primary syphilis

hard chancre- ulcer at site of entry
Secondary syphilis
- fever
- swollenlymph nodes
- rash
- possible liver involvement
Tertiary syphilis

gumma-soft gummy lesion that leads to degeneration of blood vessels in brain
Gonorrhea
- Second most frequently reported STD
- Neisseria gonorrhoeae
- small Gram - diplococcus (bean-shaped)
Gonorrhea in Females
- gonococcus invades cervix and urethra - abdominal pain and burning urination.
- Can lead to Pelvic Inflammatory Disease, in which org works its way into the Fallopian tubes and may cause sterility.
- 50% show no symptoms and are important carriers
Gonorrhea in males and infants
- Males - occurs primarily in urethra
- causing burning urination and discharge
- Newborns -Ophthalmia neonatorum - congenital gonorrhea
Chlamydia
- The number one STD causing nongonococcal urethritis
- Chlamydia trachomatis grows only in living tissue
- Symptoms similar to gonorrhea, but milder
Chancroid
- Worldwide
- may be more prevalent than syphilis or gonorrhea
- Haemophilus ducreyi
- small Gram neg rod
- Characterized by soft chancre at site of entry

Author

brogdert

51388

Card Set

pathogen 2

Description

4 types

Updated

2010-11-23T21:04:06Z

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