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, Tissues - correct ans:Collections of specialized cells and the extracellular substances surrounding them
Extracellular matrix - correct ans:Composition of the noncellular substances surrounding the cells
Histology - correct ans:The microscopic study of tissues
Biopsy - correct ans:The process of removing tissue samples from patins surgically or with a needle for
diagnostic purposes
Autopsy - correct ans:An examination of the organs of a dead body to determine the cause of death or
to study the changes caused by a disease
Endoderm - correct ans:The inner layer of embryonic tissue
Mesoderm - correct ans:The middle layer of embryonic tissue
Ectoderm - correct ans:The outer layer of embryonic tissue
Neuroectoderm - correct ans:A portion of the ectoderm that becomes the nervous system in an embryo
Neural crest cells - correct ans:Groups of cells that break away from the neuroectoderm during
development; they give rise to parts of the peripheral nerves, skin pigment, the medulla of the adrenal
gland and many tissues of the face
Epithelial tissue - correct ans:Covers and protects surfaces. Is mostly composed of cells, covers body
surfaces, distinct cell surfaces, has cell and matrix connections, is nonvascular, and is capable of
regeneration
Functions of epithelial tissue - correct ans:Protecting underlying structures, acting as a barrier,
permitting the passage of substances, secreting substances, and absorbing substances