Lecture14: Boobs

Question 1

The covering skin of the boobs are penetrated by?

Answer 1

Lactiferous ducts

Question 2

Dilated ducts at the bottom of the nipples are called?

Answer 2

Lactiferous sinuses

Question 3

What is the Areola?

Answer 3

Darkish area around the nipple

Question 4

What is the Areola rich in?

Answer 4

Receptors for touch and temp that initiate milk secretion during lactation

Question 5

What happens to the Areola during breast cancer?

Answer 5

Skin changes

Question 6

The Storms is made up of?

Answer 6

Thick interlobar CT that arise from the Reticular layer of the dermis

Question 7

The Highly loose cellular CT in the stroma arises from?

Answer 7

The Papillary layer

Question 8

What are the Suspensory ligaments of cooper?

Answer 8

They suspend the boobs in place to the Pectoral Fascia

Question 9

The Ducts of the Parenchyma unite to form?

Answer 9

Large Interlobular ducts

Question 10

What is each Lobe of the Pareynchyma drained by?

Answer 10

A single main Lactiferous duct

Question 11

What Lactiferous drainage ducts of the Parenchyma are lined by?

Answer 11

Stratified squamous epithelium

Question 12

What are the alveoli of the Parenchyma arranged in?

Answer 12

Rounded structures

Question 13

When do Alveoli’s start to form?

Answer 13

At puberty

Question 14

How does breast cancer spread?

Answer 14

Via Lymphatic drainage

Question 15

The majority of lymphatic drainage is via vessels that drain Laterally and Superiorly into…?

Answer 15

The Axillary Lymph Nodes

Question 16

What is the rest of the drainage into..?

Answer 16

The Parasternal Lymph nodes

Question 17

What is the boob like in childhood?

Answer 17

Little amount of CT stroma, and few ducts lined by flat cells

Question 18

How do the boobs grow during puberty?

Answer 18

Estrogen. The stroma grows and fat accumulates

Question 19

Final development of the Duct system requires both…?

Answer 19

Glucocorticoids and Somatotrophins

Question 20

What stimulates growth of lobules and Alveoli?

Answer 20

Progesterone

Question 21

In pregnancy, two hormones increase, those are?

Answer 21

Estrogen and Progesterone

Question 22

What placental hormone is secreted during pregnancy?

Answer 22

HPL

Question 23

What anterior pituitary hormone is produced during pregnancy?

Answer 23

Prolactin

Question 24

What does the Alveoli grow during pregnancy?

Answer 24

Milk production

Question 25

What happens to duct system in pregnancy?

Answer 25

Proliferates, elongates and branches

Question 26

What does Colostrum do

Answer 26

Growth of gland and engorgement

Question 27

During Pregnancy, the predominant component is?

Answer 27

Glandular Parenchyma, basically the ducts and alveoli

Question 28

During lactation, what hormone stimulates milk secretion?

Answer 28

Prolactin

Question 29

During Lactation, which hormone stimulates milk ejection?

Answer 29

Oxytocin

Question 30

What type of cells squeeze the milk from the alveoli?

Answer 30

Myoepithelial cells

Question 31

The lipid content of milk is?

Answer 31

Apocrine

Question 32

The Protein content in milk is?

Answer 32

Merocrine

Question 33

What do Myoepithelial cells do?

Answer 33

They contact to squeeze milk out the alveoli

Question 34

What are the type of cells at empty lumens?

Answer 34

Cuboidal

Question 35

Which type of cells have milk at their apical parts?

Answer 35

Pyramidal cells