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Questions and Answers
What is the function of the cervix in reproduction?
What is the function of the cervix in reproduction?
What are the three main layers of the cervix?
What are the three main layers of the cervix?
What is the purpose of the cervical mucus?
What is the purpose of the cervical mucus?
What is the cervical os?
What is the cervical os?
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What is cervical dysplasia?
What is cervical dysplasia?
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What is the purpose of cervical screening?
What is the purpose of cervical screening?
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Study Notes
Cervix
Location and Function
- Lower, narrow part of the uterus that opens into the vagina
- Connects the uterus to the vagina
- Produces mucus to aid in sperm transport and fertilization
Structure
- Composed of:
- Epithelium: inner mucous membrane lining
- Stroma: connective tissue layer
- Muscle: smooth muscle layer
- Divided into two parts:
- Ectocervix: outer part that protrudes into the vagina
- Endocervix: inner part that lines the cervical canal
Cervical Canal
- Narrow, tunnel-like passage that connects the uterus to the vagina
- Lined with mucous membrane that produces mucus
- Cervical mucus:
- Thick and cloudy during non-fertile periods
- Clear and watery during fertile periods (aiding sperm transport)
Cervical Os
- Opening of the cervical canal into the vagina
- External os: opening into the vagina
- Internal os: opening into the uterus
Clinical Significance
- Cervical cancer: abnormal cell growth in the cervix
- Cervical dysplasia: abnormal cell changes in the cervix
- Cervical screening: Pap smear test to detect abnormal cells
Cervix
Location and Function
- Located in the lower, narrow part of the uterus, connecting it to the vagina
- Responsible for producing mucus to aid in sperm transport and fertilization
Structure
Cervical Composition
- Epithelium: inner mucous membrane lining
- Stroma: connective tissue layer
- Muscle: smooth muscle layer
Cervical Parts
- Ectocervix: outer part that protrudes into the vagina
- Endocervix: inner part that lines the cervical canal
Cervical Canal
- Narrow, tunnel-like passage connecting the uterus to the vagina
- Lined with mucous membrane that produces mucus
- Mucus characteristics:
- Thick and cloudy during non-fertile periods
- Clear and watery during fertile periods (aiding sperm transport)
Cervical Os
- External os: opening of the cervical canal into the vagina
- Internal os: opening of the cervical canal into the uterus
Clinical Significance
- Cervical cancer: abnormal cell growth in the cervix
- Cervical dysplasia: abnormal cell changes in the cervix
- Cervical screening: Pap smear test to detect abnormal cells
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