In the following reaction,identify X. 
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Definitions:
Stratified Squamous Epithelium
A type of epithelial tissue composed of multiple layers of flat cells, providing protection against abrasion.
Simple Cuboidal Epithelium
A type of single-layered epithelium consisting of cube-shaped cells, often found in glands and their ducts.
Glandular Epithelium
A type of epithelial tissue that forms the secreting portion of glands, either endocrine or exocrine.
Underlying Connective Tissue
The supportive tissue that lies beneath epithelial tissue, providing structural and nutritional support to epithelial cells.
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