BIO 200 Lecture Notes - Lecture 13: Connective Tissue, Loose Connective Tissue, Adipose Tissue

• School: University of Maine
• Department: Biology
• Course: BIO 200
• Professor: Farhad Dastoor

Document Summary

Constraints on animal body plans: structural support, delivery of nutrients in, delivery of wastes out, efficient movement, surface area increases while total volume remains constant. Building an animal : the organization of multicellular organisms, specialized---tissues---organs. Types of tissues: epithelial, connective, muscle, nervous. Epithelial tissue: sheets of cells, basement membranes (basal laminae, polarized. Connective tissue: binds and supports other tissues, lots of extracellular material, fibroblasts vs. macrophages. 6 types of connective tissues: areolar or loose connective tissue, adipose tissue, fibrous connective tissue, bone, cartilage, blood. Muscle tissue: striated, or skeletal muscle, cardiac muscle, smooth muscle (blood vessels, respiratory, digestive, reproductive systems. Nervous tissue: targets: neurons, muscles, and glands. Negative feedback loop: causes a decrease in function, occurs in response of a stimulus, causes the output of a system to be lessened, stabilizes the system. Positive feedback loop: enhance or amplify changes, moves a system away from its equilibrium, more unstable.