Chapter 43 Key Terms

• p. 949: coelom, thoracic cavity, abdominal cavity, skeleton, skull, vertebrae, spinal cord, tissues, endoderm
  
• p. 950: mesoderm, ectoderm, organs, organ system
  
• p. 952: epithelium, epidermis, squamous, cuboidal, columnar
  
• p. 953: simple epithelial tissues, goblet cells, stratified epithelial tissues, keratin, exocrine glands, endocrine glands, hormones
  
• p. 954: connective tissue proper, special connective tissue, matrix
  
• p. 955: loose connective tissue, ground substance, collagen, elastin, reticulin, fibroblasts, mast cells, histamine, heparin, macrophages, adipose cells
  
• p. 956: dense connective tissue, tendons, ligaments, perimysium, perineurium, periosteum, cartilage, chondrocytes, bone, osteoblasts, blood plasma, erythrocytes, leukocytes, thrombocytes, hemoglobin
  
• p. 957: neutrophils, eosinophils, basophils, monocytes, mononuclear phagocyte system, lymphocytes
  
• p. 958: striated muscles, smooth muscle
  
• p. 959: skeletal muscles, muscle fibers, myofibrils, cardiac muscle, intercalated discs, gap functions, myocardium, nerve tissue, neurons, cell body, dendrites, axon, myelin sheath, Schwann cells, nodes of Ranvier
  
• p. 960: nerves, central nervous system (CNS), ganglia (singular, ganglion), peripheral nervous system, sensory neurons, motor neurons, interneurons (association neurons), neuroglia
  
• p. 961: homeostasis, feedback loop, negative feedback, controlled variable
  
• p. 962: set point, sensors, integrator, perturbations, error signal, effector, positive feedback