Fetus Inner Cell Mass Mesoderm Implantation Gastrulation Endoderm Zygote Embryo Ectoderm Blastocyst primitive germ (layers) Body Uterus Four implantation endometrium A. How does a human embryo form? Directions: Fill in the blanks below using the terms above. First, an unfertilized egg travels from the to the through the Multiple sperm traveling through the tubes will try to fertilize the egg. Once one of the sperm is successful, development begins. The divides into multiple cells on its way to the After about days, it forms a structure called a The cells inside the blastocyst, known as the will eventually develop into the and other supporting The outer cells of the blastocyst will develop into the tissues. begins when the blastocyst attaches to the Inner cell mass forms a disc, and the cells in the disc begin a process called First, some cells move inward, forming a groove on one side of the disc. This groove will determine the embryo's right-and-left body symmetry as it develops. As cells move inward along the groove, they organize themselves into three layers - the These three layers, called the and layers, will develop into different parts of the As development proceeds, the cells continue to move, divide, and make new structures. About eight weeks after fertilization, most of the embryo's key body parts and organs will have formed.
Fetus Inner Cell Mass Mesoderm Implantation Gastrulation Endoderm Zygote Embryo Ectoderm Blastocyst primitive germ (layers) Body Uterus Four implantation endometrium A. How does a human embryo form? Directions: Fill in the blanks below using the terms above. First, an unfertilized egg travels from the to the through the Multiple sperm traveling through the tubes will try to fertilize the egg. Once one of the sperm is successful, development begins. The divides into multiple cells on its way to the After about days, it forms a structure called a The cells inside the blastocyst, known as the will eventually develop into the and other supporting The outer cells of the blastocyst will develop into the tissues. begins when the blastocyst attaches to the Inner cell mass forms a disc, and the cells in the disc begin a process called First, some cells move inward, forming a groove on one side of the disc. This groove will determine the embryo's right-and-left body symmetry as it develops. As cells move inward along the groove, they organize themselves into three layers - the These three layers, called the and layers, will develop into different parts of the As development proceeds, the cells continue to move, divide, and make new structures. About eight weeks after fertilization, most of the embryo's key body parts and organs will have formed.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Fetus
Inner Cell Mass
Mesoderm
Implantation
Gastrulation
Endoderm
Zygote
Embryo
Ectoderm
Blastocyst
primitive germ (layers)
Body
Uterus
Four
implantation
endometrium
A. How does a human embryo form? Directions: Fill in the blanks below using
the terms above.
First, an unfertilized egg travels from the
to the
through the
Multiple sperm traveling through the tubes will try to fertilize the egg. Once one of the
sperm is successful, development begins.
The divides into multiple cells on its way to the
After about
days, it forms a structure called a
The cells inside
the blastocyst, known as the
will eventually develop into the
and other supporting
The outer cells of the blastocyst will develop into the
tissues.
begins when the blastocyst attaches to the
Inner cell mass forms a disc, and the cells in the disc begin a process called
First, some cells move inward, forming a groove on one side of the
disc. This groove will determine the embryo's right-and-left body symmetry as it
develops. As cells move inward along the groove, they organize themselves into three
layers - the
These three layers, called the
and
layers, will develop into different parts of the
As development proceeds, the cells continue to move, divide, and
make new structures. About eight weeks after fertilization, most of the embryo's key
body parts and organs will have formed.
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