WebThe skin and its accessory structures make up the integumentary system, which provides the body with overall protection. The skin is made of multiple layers of cells and tissues, … WebMar 30, 2024 · Differentiation allows cells to develop into the four major tissue types: epithelial tissue, nervous tissue, connective tissue and muscle tissue. There are at least 200 different cell types in the human body. Some that you'll need to know best include specialized blood cells, specialized nerve cells and specialized muscle cells.
13.1 The Embryologic Perspective - Anatomy and …
Web13.1 The Embryologic Perspective. The development of the nervous system starts early in embryonic development. The outer layer of the embryo, the ectoderm, gives rise to the skin and the nervous system. A specialized region of this layer, the neuroectoderm, becomes a groove that folds in and becomes the neural tube beneath the dorsal surface of ... Webectoderm, the outermost of the three germ layers, or masses of cells, which appears early in the development of an animal embryo. In vertebrates, ectoderm subsequently gives rise … thick shapewear to cover seams
11.5: Development of the Nervous System - Medicine LibreTexts
WebApr 10, 2024 · Under physiological conditions, skin mast cells play an important role as guardians that quickly react to stimuli that disturb homeostasis. These cells efficiently support, fight infection, and heal the injured tissue. The substances secreted by mast cells allow for communication inside the body, including the immune, nervous, and blood … WebNervous tissue is also excitable, ... differentiate, and develop into a new organism. As cell proliferation progresses, three major cell lineages are established within the embryo. As explained in a later chapter, each of these lineages of embryonic cells forms the distinct germ layers from which all the tissues and organs of the human body ... WebJan 21, 2024 · Neurofibromatoses are a group of genetic disorders that cause tumors to form on nerve tissue. These tumors can develop anywhere in the nervous system, including the brain, spinal cord and … thick shapewear to cover bellybutton