Teacher Class Date Copyright Â© McDougal Littell Inc. 24 L ESSON P LANS CHAPTER 3 Lesson Placement of Phrases Pages 78â79 6 Lesson 6 Objectives To recognize correct and incorrect placements of phrases insentencesTo place phrases correctly in sentences Teach Warm-Up ___ Test Preparation Daily Test Prep. p.
Widely distributed in the embryo as a loose connective tissue, mucoid tissue is composed of large stellate fibroblasts in an abundant intercellular substance, which is homogeneous and soft. In the umbilical cord (Plates 51 and 261), it is known as Wharton's jelly.
Connective tissue fibers and matrix are synthesized by specialized cells called fibroblasts. There are three main groups of connective tissues: loose connective tissue, dense connective tissue, and specialized connective tissue. Loose Connective Tissue. In vertebrates, the most common type of connective tissue is loose connective tissue. It holds organs in place and attaches epithelial tissue to other underlying tissues. Loose connective tissue is named based on the weave and type of its constituent fibers. There are three main types: Collagenous fibers are made of collagen and consist of bundles of fibrils that are coils of collagen molecules. Elastic Fibers are made of the protein elastin and are stretchable.