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Ectoderm, endoderm, and mesoderm can produce epithelial tissues
Wiki User
∙ 11y ago
Wiki User
∙ 11y agoEctoderm
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Do segmented worms have no coelom a pseudocoelom or a true coelom?
Yes, they do. They have true coeloms, i.e. their coeloms (body cavities) are lined with mesodermal (referring to the embryonic germ layer which forms the muscles, nervous system, and generally the "meat" of the body") cells forming its inner lining.
Which germ layer produces the nerves and sense organs of animals?
The Ectoderm
How many germ layers do pigs have?
Three cell layers known as the ectoderm, mesoderm, and endoderm. They are also referred to as the primary germ layers, because all of the organs and tissues of the embryo will be formed from them.
What forms from the three layers of the gastrula?
The primary germ layers (endoderm, mesoderm, and ectoderm) are formed and organized in their proper locations during gastrulation. Endoderm, the most internal germ layer, forms the lining of the gut and other internal organs. Ectoderm, the most exterior germ layer, forms skin, brain, the nervous system, and other external tissues. Mesoderm, the the middle germ layer, forms muscle, the skeletal system, and the circulatory system.
Are ctenophora diploblastic or triploblastic?
It has always been a debate. Mesenchymal musculature in the middle tissue layer of ctenophores has invited speculation that they are triploblastic.
The intestinal tract develops from which embryonic germ layer?
It develops from the endoderm germ layer
Where does muscle tissue develop?
Muscle tissues are derived from the mesodermal layer of the embryonic germ cells through a process called myogenesis.
Which embryonic germ layer is bone derived from?
The mesoderm
How many embryonic tissues does a sponge have?
Sponges have two germ layers therefore they are diploblastic.
What primary tissue classes derive from each embryonic germ layer?
I ddon'ttt dknow(with an Indian accent)
What is the order of occurrence of the pre-embryonic structures?
Preembryonic forms are the zygote (fertilized egg), morula (a solid ball of cells), blastocyst (hollow ball with a single germ layer), and bilaminar embryonic disc(with two germ layers).
During embryonic development cells specialize to form what?
a group of specialized cells forms tissue, a group of tissue forms an organ
Does porifera have 3 germ layers?
No they do not. I am not certain as to whether they have 0 or 2 germ layers but it is one of the two.
What tissue forms the?
During embryonic development, the stomach (like the bulk of the rest of the gastrointestinal system) forms from endoderm, the innermost layer of the three major germ layers.
What blastocyst produce the primordial germ cell?
Gastrula (early gastrula follow the blastula in the development sequence) ~ As a result of gastrulation, a three-layered embryo forms, each layer corresponding to a primary germ layer from which all body tissues develop.
Where are the mesenchymal cells found?
There are different forms of mesenchymal cells and tissues found almost everywhere in the body, and these tissues can be thought of, broadly, as: connective tissues, blood vessels, and lymphatic vessels.Mesenchymal cells/ tissues originate from the middle embryonic germ layer (there are 3 - endoderm, mesoderm, ectoderm) called the "mesoderm" and differentiate into the body's various connective tissues found in bone, cartilage, ligaments, tendons, muscles, skin, organs, extracellular matrix, as they also form the blood vessels and lymphatic vessels.
What tissue forms the stomach?
During embryonic development, the stomach (like the bulk of the rest of the gastrointestinal system) forms from endoderm, the innermost layer of the three major germ layers.
