The sequence of events that are responsible for initiating lactation: Estrogen and progesterone levels decrease when placenta is expelled and prolactin stimulates milk production. In the last month of pregnancy, placental estrogen, progesterone, and placental lactogen stimulate the production of prolactin. Estrogen and prolactin stimulate the acini in the mammary gland to grow and the lactiferous ducts to branch. Oxytocin binds to the myoepithelial cells in the mammary glands and causes them to contract and eject milk. Introduction: Lactation is the production and release of breastmilk. It is under the regulation of secretions from a variety of endocrine glands. Breastfeeding is the feeding of milk to the young ones through the mother’s breast. This is also known as nursing. Breastfeeding is started during the first hour of childbirth and continues for at least six months. The mother’s milk is highly nutritive. It enhances the immunity of a newborn child.

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Answer 1

Question

Chapter 27, Problem 18CYR

Summary Introduction

To review:

The sequence of events that are responsible for initiating lactation:

Estrogen and progesterone levels decrease when placenta is expelled and prolactin stimulates milk production.

In the last month of pregnancy, placental estrogen, progesterone, and placental lactogen stimulate the production of prolactin.

Estrogen and prolactin stimulate the acini in the mammary gland to grow and the lactiferous ducts to branch.

Oxytocin binds to the myoepithelial cells in the mammary glands and causes them to contract and eject milk.

Introduction:

Lactation is the production and release of breastmilk. It is under the regulation of secretions from a variety of endocrine glands. Breastfeeding is the feeding of milk to the young ones through the mother’s breast. This is also known as nursing. Breastfeeding is started during the first hour of childbirth and continues for at least six months. The mother’s milk is highly nutritive. It enhances the immunity of a newborn child.

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Answer 2

Question

Chapter 27, Problem 18CYR

Summary Introduction

To review:

The sequence of events that are responsible for initiating lactation:

Estrogen and progesterone levels decrease when placenta is expelled and prolactin stimulates milk production.

In the last month of pregnancy, placental estrogen, progesterone, and placental lactogen stimulate the production of prolactin.

Estrogen and prolactin stimulate the acini in the mammary gland to grow and the lactiferous ducts to branch.

Oxytocin binds to the myoepithelial cells in the mammary glands and causes them to contract and eject milk.

Introduction:

Lactation is the production and release of breastmilk. It is under the regulation of secretions from a variety of endocrine glands. Breastfeeding is the feeding of milk to the young ones through the mother’s breast. This is also known as nursing. Breastfeeding is started during the first hour of childbirth and continues for at least six months. The mother’s milk is highly nutritive. It enhances the immunity of a newborn child.

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Answer 3

Question

Chapter 27, Problem 18CYR

Summary Introduction

To review:

The sequence of events that are responsible for initiating lactation:

Estrogen and progesterone levels decrease when placenta is expelled and prolactin stimulates milk production.

In the last month of pregnancy, placental estrogen, progesterone, and placental lactogen stimulate the production of prolactin.

Estrogen and prolactin stimulate the acini in the mammary gland to grow and the lactiferous ducts to branch.

Oxytocin binds to the myoepithelial cells in the mammary glands and causes them to contract and eject milk.

Introduction:

Lactation is the production and release of breastmilk. It is under the regulation of secretions from a variety of endocrine glands. Breastfeeding is the feeding of milk to the young ones through the mother’s breast. This is also known as nursing. Breastfeeding is started during the first hour of childbirth and continues for at least six months. The mother’s milk is highly nutritive. It enhances the immunity of a newborn child.

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Answer 4

Question

Chapter 27, Problem 18CYR

Summary Introduction

To review:

The sequence of events that are responsible for initiating lactation:

Estrogen and progesterone levels decrease when placenta is expelled and prolactin stimulates milk production.

In the last month of pregnancy, placental estrogen, progesterone, and placental lactogen stimulate the production of prolactin.

Estrogen and prolactin stimulate the acini in the mammary gland to grow and the lactiferous ducts to branch.

Oxytocin binds to the myoepithelial cells in the mammary glands and causes them to contract and eject milk.

Introduction:

Lactation is the production and release of breastmilk. It is under the regulation of secretions from a variety of endocrine glands. Breastfeeding is the feeding of milk to the young ones through the mother’s breast. This is also known as nursing. Breastfeeding is started during the first hour of childbirth and continues for at least six months. The mother’s milk is highly nutritive. It enhances the immunity of a newborn child.

Expert Solution & Answer

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Answer 5

Chapter 27, Problem 18CYR

Summary Introduction

To review:

The sequence of events that are responsible for initiating lactation:

Estrogen and progesterone levels decrease when placenta is expelled and prolactin stimulates milk production.

In the last month of pregnancy, placental estrogen, progesterone, and placental lactogen stimulate the production of prolactin.

Estrogen and prolactin stimulate the acini in the mammary gland to grow and the lactiferous ducts to branch.

Oxytocin binds to the myoepithelial cells in the mammary glands and causes them to contract and eject milk.

Introduction:

Lactation is the production and release of breastmilk. It is under the regulation of secretions from a variety of endocrine glands. Breastfeeding is the feeding of milk to the young ones through the mother’s breast. This is also known as nursing. Breastfeeding is started during the first hour of childbirth and continues for at least six months. The mother’s milk is highly nutritive. It enhances the immunity of a newborn child.

Answer 6

Chapter 27, Problem 18CYR

Summary Introduction

To review:

The sequence of events that are responsible for initiating lactation:

Estrogen and progesterone levels decrease when placenta is expelled and prolactin stimulates milk production.

In the last month of pregnancy, placental estrogen, progesterone, and placental lactogen stimulate the production of prolactin.

Estrogen and prolactin stimulate the acini in the mammary gland to grow and the lactiferous ducts to branch.

Oxytocin binds to the myoepithelial cells in the mammary glands and causes them to contract and eject milk.

Introduction:

Lactation is the production and release of breastmilk. It is under the regulation of secretions from a variety of endocrine glands. Breastfeeding is the feeding of milk to the young ones through the mother’s breast. This is also known as nursing. Breastfeeding is started during the first hour of childbirth and continues for at least six months. The mother’s milk is highly nutritive. It enhances the immunity of a newborn child.

Answer 7

Chapter 27, Problem 18CYR

Summary Introduction

To review:

The sequence of events that are responsible for initiating lactation:

Estrogen and progesterone levels decrease when placenta is expelled and prolactin stimulates milk production.

In the last month of pregnancy, placental estrogen, progesterone, and placental lactogen stimulate the production of prolactin.

Estrogen and prolactin stimulate the acini in the mammary gland to grow and the lactiferous ducts to branch.

Oxytocin binds to the myoepithelial cells in the mammary glands and causes them to contract and eject milk.

Introduction:

Lactation is the production and release of breastmilk. It is under the regulation of secretions from a variety of endocrine glands. Breastfeeding is the feeding of milk to the young ones through the mother’s breast. This is also known as nursing. Breastfeeding is started during the first hour of childbirth and continues for at least six months. The mother’s milk is highly nutritive. It enhances the immunity of a newborn child.

Answer 8

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Answer 10

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Answer 11

Ch. 27.1 - What are the three major periods of prenatal...Ch. 27.1 - 2. When does the postnatal period of life begin? Ch. 27.2 - Prob. 1QC Ch. 27.2 - What are the steps of fertilization?Ch. 27.2 - 3. What is the function of cleavage of the...Ch. 27.2 - How does a morula differ from a blastocyst?Ch. 27.2 - 5. What is the ultimate fate of the inner cell...Ch. 27.2 - 6. Which cell type secretes hCG? Ch. 27.2 - 7. What are the functions of amniotic fluid? Ch. 27.2 - 8. What are the main functions of each of the...

Solution Summary: The author explains that lactation occurs through the mammary glands, whose development and functioning is controlled by ovaries, the anterior pituitary, and the adrenal gland.

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