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Anatomy Class MD1 > Mammary glands > Flashcards

Mammary glands Flashcards

1
Q

Where are the greats located?

A
  • Anterior thoracic wall

- Pectoral region

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2
Q

What are the key structures of mammary glands involved in ?

A

Lactation

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3
Q

Which intercostal cartilages do the breast span between ?

A

2nd and 6th intercostal cartilages

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4
Q

The breast lies superficially to what muscles ?

A

Pectorales majo and serrates anterior muscles

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5
Q

What are the two regions of the breast ?

A
  • Circular body

- Axillary tail

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6
Q

Circular body

A

Largest and most prominent part of the breast

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7
Q

Axillary Tail

A

Smaller part which runs along the inferior lateral edge of the pectorals major and towards the axillary fossa.

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8
Q

What is the pigment surrounding the nipple called?

A

Areolae

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9
Q

What is the location of the nipple and what is it composed of?

A
  • Center

- smooth muscle fibers

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10
Q

What happens to the sebaceous glands during pregnancy ?

A

-They enlarge secreting an oily substance the acts as a protective lubricant for the nipple.

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11
Q

What are mammary glands?

A

Modified sweat glads

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12
Q

What do mammary glands consist of ?

A

They consist of a series of ducts and secretory lobules (15-20).

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13
Q

Lactiferous ducts

A

Converge at the nipple like spokes of a wheel

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14
Q

What vessel provides arterial supply to the medial aspect of the breast?

A

Internal thoracic artery

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15
Q

Which nodes receives the majority of breast tissue lymph?

A

Axillary

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16
Q

Which of the following hormones from the anterior pituitary control secretion of breast milk

A

Prolactin

17
Q

Fibrosus Stroma

A

-Condenses to form suspensory ligaments of Cooper.

18
Q

What are the functions of the the ligament of Copper ?

A
  • Attach and secure the breast to the dermis and underlying pectoral fascia.
  • Separate the secretory lobules of the breast
19
Q

Pectoral Fascia

A

-Acts as an attachment point for the suspensory ligaments

20
Q

Retromammary space

A

Layer of loose connective tissue between the breast and pectoral fascia
-Potential space often used in reconstructive plastic surgery .

21
Q

Lateral part of the breast receives blood supply from which four vessels ?

A
  • Lateral thoracic
  • Lateral thoracoacromial branches
  • Lateral mammary branches
  • Mammary branch
22
Q

Where do the veins of the breast drain into ?

A

-Axillary and internal thoracic veins

23
Q

Lymphatic drainage plays a role in what ?

A

Metastisis

24
Q

Skin drains into what ?

A

-Axillary , inferior Depp cervical and infraclavicular nodes

25
Q

Nipple & areola drains into what?

A

-Subareolar lymphatic plexus

26
Q

What is the breast innervated by ?

A

-Anterior and lateral cutaneous branches of the 4th to 6th intercostal nerves.

27
Q

Where is prolactin secreted from ?

A

Anterior pituitary glands

Anatomy Class MD1 (10 decks)

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