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What is the function of the cervix in reproduction?
What is the function of the cervix in reproduction?
- To regulate hormonal balance
- To support fetal development
- To produce ova
- To transport sperm and aid in fertilization (correct)
What are the three main layers of the cervix?
What are the three main layers of the cervix?
- Serosa, adventitia, and tunica media
- Epithelium, stroma, and muscle (correct)
- Endometrium, myometrium, and perimetrium
- Mucosa, submucosa, and muscularis
What is the purpose of the cervical mucus?
What is the purpose of the cervical mucus?
- To support fetal development
- To regulate menstrual bleeding
- To aid in sperm transport and fertilization (correct)
- To block sperm entry
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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