Taste Bud and Olfactory Receptors

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  Taste 4X
  A: Circumvallate papillae
  
  B: Taste buds stain lighter than the epithelium that surrounds them
  
  C: Von Ebner's gland is a compound multicellular alveolar exocrine gland that secretes lingual lipase.
  
  D: Irregularly arranged skeletal muscle
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  Taste 20X
  A: Taste buds are located within the epithelium and are unipolar neurons histologically.
  
  B: Stratified squamous epithelium
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  Taste 40X
  A: Stratified squamous epithelium
  
  B: Taste buds are made of sustentacular cells which lend structural support, and unipolar neurons that receive gustatory stimulation. These cells are elongated and have a light staining cytoplasm.
  
  C: Taste pore is an opening at the surface of the epithelium

Olfactory

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  Olfactory 40X
  A: Olfactory epithelium is ciliated pseudostratified columnar epithelium and it also houses the olfactory cells which are bipolar neurons
  
  B: Bowman's glands are simple multicellular branched tubular exocrine glands
  
  C: Ducts of the Bowman's gland
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  Olfactory Cells
  A: Bipolar neurons are difficult to see because they are embedded within the respiratory epithelium and extend from the basement membrane to the exterior.
  
  B: Cilia located on the apical surface of the epithelium