Breasts Flashcards

1
Q

What are breasts?

A

Modified apocrine sweat glands

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2
Q

When does maturation of the breast begin?

A

During puberty

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3
Q

When does maturation of the breast finish?

A

During 1st pregnancy

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4
Q

What happens to the breast tissue during menopause?

A

Regression of breast tissue (muscle atrophy)

Fat % increases

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5
Q

Why is it only helpful to do a mammogram on an older woman?

A

They have less breast tissue, so abnormalities in the breast can be seen

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6
Q

What are the mammary glands surrounded by?

A

Myoepithelial cells (specialised smooth muscle cell)

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7
Q

What does the milk in a breast drain into to get to the nipple pores?

A

Lactiferous ducts

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8
Q

What is accessory breast tissue?

A

Excess breast tissue in abnormal places

Found along the course of the embryology mammary streak

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9
Q

What is poland syndrome?

A

The absence of chest muscles (pectoralis) on one side and webbing of the ipsilateral fingers

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10
Q

What are the breasts supported by?

A

Cooper’s suspensory ligaments

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11
Q

Roughly how many lobes are there in the breast?

A

15-20

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12
Q

What is the external blood vessel suppling the breasts called?

A

Lateral thoracic artery

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13
Q

What is the internal blood vessel supplying the breast called?

A

Thoracic artery

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14
Q

What are the risk factors for women with breast cancer? (4)

A

Being a women
Age
Alcohol
Genetics

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15
Q

What can reduce your chances of getting breast cancer? (3)

A

Breast feeding
Exercise
1st pregnancy before the age of 30

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