Identification of three brain regions formed during the middle of fourth week, and five brain regions by the fifth week of gestation. Introduction: The study about structures and functions of the central nervous system needs basic knowledge as development of the same begins from an embryonic stage in humans. The embryo in its early stage consists of an embryonic tissue layer called an ectoderm. This groove gets deeper day by day and by twentieth day, it gets fused and forms a neural tube.

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Answer 1

Question

Chapter 8, Problem 1CP

Summary Introduction

To review:

Identification of three brain regions formed during the middle of fourth week, and five brain regions by the fifth week of gestation.

Introduction:

The study about structures and functions of the central nervous system needs basic knowledge as development of the same begins from an embryonic stage in humans. The embryo in its early stage consists of an embryonic tissue layer called an ectoderm. This groove gets deeper day by day and by twentieth day, it gets fused and forms a neural tube.

Expert Solution & Answer

Explanation of Solution

The portion of the ectoderm in which, the fusion occurs becomes the neural crest and it is situated between the neural tube and the surface of ectoderm. By the middle of fourth week, after conception, three swellings are formed on the anterior end of neural tube namely, forebrain or prosencephalon, midbrain or mesencephalon, and hindbrain or rhombencephalon.

By the fifth week, the area gets developed and modified to form five regions. The forebrain further gets divided into telencephalon and diencephalon. There is no change in the mesencephalon. And, the hind brain divides into metencephalon and myelencephalon. There are greater chances of advanced modifications in the later stages of human development.

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Answer 2

Question

Chapter 8, Problem 1CP

Summary Introduction

To review:

Identification of three brain regions formed during the middle of fourth week, and five brain regions by the fifth week of gestation.

Introduction:

The study about structures and functions of the central nervous system needs basic knowledge as development of the same begins from an embryonic stage in humans. The embryo in its early stage consists of an embryonic tissue layer called an ectoderm. This groove gets deeper day by day and by twentieth day, it gets fused and forms a neural tube.

Expert Solution & Answer

Explanation of Solution

The portion of the ectoderm in which, the fusion occurs becomes the neural crest and it is situated between the neural tube and the surface of ectoderm. By the middle of fourth week, after conception, three swellings are formed on the anterior end of neural tube namely, forebrain or prosencephalon, midbrain or mesencephalon, and hindbrain or rhombencephalon.

By the fifth week, the area gets developed and modified to form five regions. The forebrain further gets divided into telencephalon and diencephalon. There is no change in the mesencephalon. And, the hind brain divides into metencephalon and myelencephalon. There are greater chances of advanced modifications in the later stages of human development.

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Answer 3

Question

Chapter 8, Problem 1CP

Summary Introduction

To review:

Identification of three brain regions formed during the middle of fourth week, and five brain regions by the fifth week of gestation.

Introduction:

The study about structures and functions of the central nervous system needs basic knowledge as development of the same begins from an embryonic stage in humans. The embryo in its early stage consists of an embryonic tissue layer called an ectoderm. This groove gets deeper day by day and by twentieth day, it gets fused and forms a neural tube.

Expert Solution & Answer

Explanation of Solution

The portion of the ectoderm in which, the fusion occurs becomes the neural crest and it is situated between the neural tube and the surface of ectoderm. By the middle of fourth week, after conception, three swellings are formed on the anterior end of neural tube namely, forebrain or prosencephalon, midbrain or mesencephalon, and hindbrain or rhombencephalon.

By the fifth week, the area gets developed and modified to form five regions. The forebrain further gets divided into telencephalon and diencephalon. There is no change in the mesencephalon. And, the hind brain divides into metencephalon and myelencephalon. There are greater chances of advanced modifications in the later stages of human development.

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Answer 4

Question

Chapter 8, Problem 1CP

Summary Introduction

To review:

Identification of three brain regions formed during the middle of fourth week, and five brain regions by the fifth week of gestation.

Introduction:

The study about structures and functions of the central nervous system needs basic knowledge as development of the same begins from an embryonic stage in humans. The embryo in its early stage consists of an embryonic tissue layer called an ectoderm. This groove gets deeper day by day and by twentieth day, it gets fused and forms a neural tube.

Expert Solution & Answer

Explanation of Solution

The portion of the ectoderm in which, the fusion occurs becomes the neural crest and it is situated between the neural tube and the surface of ectoderm. By the middle of fourth week, after conception, three swellings are formed on the anterior end of neural tube namely, forebrain or prosencephalon, midbrain or mesencephalon, and hindbrain or rhombencephalon.

By the fifth week, the area gets developed and modified to form five regions. The forebrain further gets divided into telencephalon and diencephalon. There is no change in the mesencephalon. And, the hind brain divides into metencephalon and myelencephalon. There are greater chances of advanced modifications in the later stages of human development.

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Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Chapter 8, Problem 1CP

Summary Introduction

To review:

Identification of three brain regions formed during the middle of fourth week, and five brain regions by the fifth week of gestation.

Introduction:

The study about structures and functions of the central nervous system needs basic knowledge as development of the same begins from an embryonic stage in humans. The embryo in its early stage consists of an embryonic tissue layer called an ectoderm. This groove gets deeper day by day and by twentieth day, it gets fused and forms a neural tube.

Expert Solution & Answer

Explanation of Solution

The portion of the ectoderm in which, the fusion occurs becomes the neural crest and it is situated between the neural tube and the surface of ectoderm. By the middle of fourth week, after conception, three swellings are formed on the anterior end of neural tube namely, forebrain or prosencephalon, midbrain or mesencephalon, and hindbrain or rhombencephalon.

By the fifth week, the area gets developed and modified to form five regions. The forebrain further gets divided into telencephalon and diencephalon. There is no change in the mesencephalon. And, the hind brain divides into metencephalon and myelencephalon. There are greater chances of advanced modifications in the later stages of human development.

Answer 6

Chapter 8, Problem 1CP

Summary Introduction

To review:

Identification of three brain regions formed during the middle of fourth week, and five brain regions by the fifth week of gestation.

Introduction:

The study about structures and functions of the central nervous system needs basic knowledge as development of the same begins from an embryonic stage in humans. The embryo in its early stage consists of an embryonic tissue layer called an ectoderm. This groove gets deeper day by day and by twentieth day, it gets fused and forms a neural tube.

Expert Solution & Answer

Explanation of Solution

The portion of the ectoderm in which, the fusion occurs becomes the neural crest and it is situated between the neural tube and the surface of ectoderm. By the middle of fourth week, after conception, three swellings are formed on the anterior end of neural tube namely, forebrain or prosencephalon, midbrain or mesencephalon, and hindbrain or rhombencephalon.

By the fifth week, the area gets developed and modified to form five regions. The forebrain further gets divided into telencephalon and diencephalon. There is no change in the mesencephalon. And, the hind brain divides into metencephalon and myelencephalon. There are greater chances of advanced modifications in the later stages of human development.

Answer 7

Chapter 8, Problem 1CP

Summary Introduction

To review:

Identification of three brain regions formed during the middle of fourth week, and five brain regions by the fifth week of gestation.

Introduction:

The study about structures and functions of the central nervous system needs basic knowledge as development of the same begins from an embryonic stage in humans. The embryo in its early stage consists of an embryonic tissue layer called an ectoderm. This groove gets deeper day by day and by twentieth day, it gets fused and forms a neural tube.

Answer 8

Expert Solution & Answer

Explanation of Solution

The portion of the ectoderm in which, the fusion occurs becomes the neural crest and it is situated between the neural tube and the surface of ectoderm. By the middle of fourth week, after conception, three swellings are formed on the anterior end of neural tube namely, forebrain or prosencephalon, midbrain or mesencephalon, and hindbrain or rhombencephalon.

By the fifth week, the area gets developed and modified to form five regions. The forebrain further gets divided into telencephalon and diencephalon. There is no change in the mesencephalon. And, the hind brain divides into metencephalon and myelencephalon. There are greater chances of advanced modifications in the later stages of human development.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Ch. 8 - Prob. 1CP Ch. 8 - Describe the embryonic origin of the brain...Ch. 8 - Prob. 3aCP Ch. 8 - Describe the locations and functions of the basal...Ch. 8 - Prob. 4aCP Ch. 8 - Prob. 4bCP Ch. 8 - Prob. 5CP Ch. 8 - Prob. 6CP Ch. 8 - Prob. 7aCP Ch. 8 - Prob. 7bCP

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