To label: The embryonic structures given in the figure of the text book. Introduction: Fertilization is the fusion of the egg and sperm to form the diploid zygote. The fertilized zygote divides rapidly to form an embryo.

Question

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Answer 1

Question

Chapter 40, Problem 1.1BGL

Summary Introduction

To label: The embryonic structures given in the figure of the text book.

Introduction: Fertilization is the fusion of the egg and sperm to form the diploid zygote. The fertilized zygote divides rapidly to form an embryo.

Expert Solution & Answer

Answer to Problem 1.1BGL

Pictorial representation: The first week of development is shown in Fig 1:

Laboratory Manual for Anatomy and Physiology, 6e Loose-Leaf Print Companion, Chapter 40, Problem 1.1BGL

Fig.1: The first week of development fertilization to blastocyst

Explanation of Solution

1. Secondary oocyte: The primary oocyte undergoes meiosis I to form secondary oocyte.
2. Fertilization of secondary oocyte: The secondary oocyte is fertilized by the sperm to form the ootid.
3. 2-cell stage of zygote: The two-cell stage of the embryo consists of 16 blastomeres.
4. 4-cell stage of zygote: The 4-cell embryo is formed by the cleavage of the two-cell embryo.
5. Morula: The morula is formed 3‑4 days after fertilization. It is a mass of 16 cells in a cavity present within the zona pellucida.
6. Blastocyst: The blastocyst consists of inner cell mass surrounded by the outer layer called trophoblast.
7. Implantation of blastocyst: The blastocyst moves through the uterus, attaches to the uterine wall, and develops into the fetus.

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Answer 2

Question

Chapter 40, Problem 1.1BGL

Summary Introduction

To label: The embryonic structures given in the figure of the text book.

Introduction: Fertilization is the fusion of the egg and sperm to form the diploid zygote. The fertilized zygote divides rapidly to form an embryo.

Expert Solution & Answer

Answer to Problem 1.1BGL

Pictorial representation: The first week of development is shown in Fig 1:

Laboratory Manual for Anatomy and Physiology, 6e Loose-Leaf Print Companion, Chapter 40, Problem 1.1BGL

Fig.1: The first week of development fertilization to blastocyst

Explanation of Solution

1. Secondary oocyte: The primary oocyte undergoes meiosis I to form secondary oocyte.
2. Fertilization of secondary oocyte: The secondary oocyte is fertilized by the sperm to form the ootid.
3. 2-cell stage of zygote: The two-cell stage of the embryo consists of 16 blastomeres.
4. 4-cell stage of zygote: The 4-cell embryo is formed by the cleavage of the two-cell embryo.
5. Morula: The morula is formed 3‑4 days after fertilization. It is a mass of 16 cells in a cavity present within the zona pellucida.
6. Blastocyst: The blastocyst consists of inner cell mass surrounded by the outer layer called trophoblast.
7. Implantation of blastocyst: The blastocyst moves through the uterus, attaches to the uterine wall, and develops into the fetus.

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Answer 3

Question

Chapter 40, Problem 1.1BGL

Summary Introduction

To label: The embryonic structures given in the figure of the text book.

Introduction: Fertilization is the fusion of the egg and sperm to form the diploid zygote. The fertilized zygote divides rapidly to form an embryo.

Expert Solution & Answer

Answer to Problem 1.1BGL

Pictorial representation: The first week of development is shown in Fig 1:

Laboratory Manual for Anatomy and Physiology, 6e Loose-Leaf Print Companion, Chapter 40, Problem 1.1BGL

Fig.1: The first week of development fertilization to blastocyst

Explanation of Solution

1. Secondary oocyte: The primary oocyte undergoes meiosis I to form secondary oocyte.
2. Fertilization of secondary oocyte: The secondary oocyte is fertilized by the sperm to form the ootid.
3. 2-cell stage of zygote: The two-cell stage of the embryo consists of 16 blastomeres.
4. 4-cell stage of zygote: The 4-cell embryo is formed by the cleavage of the two-cell embryo.
5. Morula: The morula is formed 3‑4 days after fertilization. It is a mass of 16 cells in a cavity present within the zona pellucida.
6. Blastocyst: The blastocyst consists of inner cell mass surrounded by the outer layer called trophoblast.
7. Implantation of blastocyst: The blastocyst moves through the uterus, attaches to the uterine wall, and develops into the fetus.

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Answer 4

Question

Chapter 40, Problem 1.1BGL

Summary Introduction

To label: The embryonic structures given in the figure of the text book.

Introduction: Fertilization is the fusion of the egg and sperm to form the diploid zygote. The fertilized zygote divides rapidly to form an embryo.

Expert Solution & Answer

Answer to Problem 1.1BGL

Pictorial representation: The first week of development is shown in Fig 1:

Laboratory Manual for Anatomy and Physiology, 6e Loose-Leaf Print Companion, Chapter 40, Problem 1.1BGL

Fig.1: The first week of development fertilization to blastocyst

Explanation of Solution

1. Secondary oocyte: The primary oocyte undergoes meiosis I to form secondary oocyte.
2. Fertilization of secondary oocyte: The secondary oocyte is fertilized by the sperm to form the ootid.
3. 2-cell stage of zygote: The two-cell stage of the embryo consists of 16 blastomeres.
4. 4-cell stage of zygote: The 4-cell embryo is formed by the cleavage of the two-cell embryo.
5. Morula: The morula is formed 3‑4 days after fertilization. It is a mass of 16 cells in a cavity present within the zona pellucida.
6. Blastocyst: The blastocyst consists of inner cell mass surrounded by the outer layer called trophoblast.
7. Implantation of blastocyst: The blastocyst moves through the uterus, attaches to the uterine wall, and develops into the fetus.

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Answer 5

Chapter 40, Problem 1.1BGL

Summary Introduction

To label: The embryonic structures given in the figure of the text book.

Introduction: Fertilization is the fusion of the egg and sperm to form the diploid zygote. The fertilized zygote divides rapidly to form an embryo.

Expert Solution & Answer

Answer to Problem 1.1BGL

Pictorial representation: The first week of development is shown in Fig 1:

Laboratory Manual for Anatomy and Physiology, 6e Loose-Leaf Print Companion, Chapter 40, Problem 1.1BGL

Fig.1: The first week of development fertilization to blastocyst

Explanation of Solution

1. Secondary oocyte: The primary oocyte undergoes meiosis I to form secondary oocyte.
2. Fertilization of secondary oocyte: The secondary oocyte is fertilized by the sperm to form the ootid.
3. 2-cell stage of zygote: The two-cell stage of the embryo consists of 16 blastomeres.
4. 4-cell stage of zygote: The 4-cell embryo is formed by the cleavage of the two-cell embryo.
5. Morula: The morula is formed 3‑4 days after fertilization. It is a mass of 16 cells in a cavity present within the zona pellucida.
6. Blastocyst: The blastocyst consists of inner cell mass surrounded by the outer layer called trophoblast.
7. Implantation of blastocyst: The blastocyst moves through the uterus, attaches to the uterine wall, and develops into the fetus.

Answer 6

Chapter 40, Problem 1.1BGL

Summary Introduction

To label: The embryonic structures given in the figure of the text book.

Introduction: Fertilization is the fusion of the egg and sperm to form the diploid zygote. The fertilized zygote divides rapidly to form an embryo.

Expert Solution & Answer

Answer to Problem 1.1BGL

Pictorial representation: The first week of development is shown in Fig 1:

Laboratory Manual for Anatomy and Physiology, 6e Loose-Leaf Print Companion, Chapter 40, Problem 1.1BGL

Fig.1: The first week of development fertilization to blastocyst

Explanation of Solution

1. Secondary oocyte: The primary oocyte undergoes meiosis I to form secondary oocyte.
2. Fertilization of secondary oocyte: The secondary oocyte is fertilized by the sperm to form the ootid.
3. 2-cell stage of zygote: The two-cell stage of the embryo consists of 16 blastomeres.
4. 4-cell stage of zygote: The 4-cell embryo is formed by the cleavage of the two-cell embryo.
5. Morula: The morula is formed 3‑4 days after fertilization. It is a mass of 16 cells in a cavity present within the zona pellucida.
6. Blastocyst: The blastocyst consists of inner cell mass surrounded by the outer layer called trophoblast.
7. Implantation of blastocyst: The blastocyst moves through the uterus, attaches to the uterine wall, and develops into the fetus.

Answer 7

Chapter 40, Problem 1.1BGL

Summary Introduction

To label: The embryonic structures given in the figure of the text book.

Introduction: Fertilization is the fusion of the egg and sperm to form the diploid zygote. The fertilized zygote divides rapidly to form an embryo.

Answer 8

Expert Solution & Answer

Answer to Problem 1.1BGL

Pictorial representation: The first week of development is shown in Fig 1:

Laboratory Manual for Anatomy and Physiology, 6e Loose-Leaf Print Companion, Chapter 40, Problem 1.1BGL

Fig.1: The first week of development fertilization to blastocyst

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Explanation of Solution

1. Secondary oocyte: The primary oocyte undergoes meiosis I to form secondary oocyte.
2. Fertilization of secondary oocyte: The secondary oocyte is fertilized by the sperm to form the ootid.
3. 2-cell stage of zygote: The two-cell stage of the embryo consists of 16 blastomeres.
4. 4-cell stage of zygote: The 4-cell embryo is formed by the cleavage of the two-cell embryo.
5. Morula: The morula is formed 3‑4 days after fertilization. It is a mass of 16 cells in a cavity present within the zona pellucida.
6. Blastocyst: The blastocyst consists of inner cell mass surrounded by the outer layer called trophoblast.
7. Implantation of blastocyst: The blastocyst moves through the uterus, attaches to the uterine wall, and develops into the fetus.