3. The outermost layer is known as the
tunica externaformerly known as "tunica adventitia" and is composed of
connective tissue. Inside this layer is the
tunica media, or
media, which is made up of
smooth musclecells and elastic tissue. The innermost layer, which is in direct contact with the flow of blood is the
tunica intima, commonly called the
intima. This layer is made up of mainly
endothelial cells. The hollow internal cavity in which the blood flows is called the
The three layers of an artery are Endothelium, smooth muscle, and connective tissue.
how many tissue layers do the phylum arthropoda have
There are three layers of embryonic tissue present in the pig. These layers are called the ectoderm, mesoderm and the endoderm.
Three
There are three layers: ectoderm, mesoderm, and endoderm.
There are three layers: ectoderm, mesoderm, and endoderm.
two layers but so have three
three
3
Skin consists of three layers of tissue.
Four layers of tissue form the walls of the digestive tract. These layers are called mucosa, submucosa, muscularis externa and adventitia.
Adult amphibians have three tissue layers: the ectoderm, mesoderm, and endoderm. These layers give rise to different organs and tissues during development.