We are to list the tissues a needle would pentrate from outer skin (side shoulde

Question

We are to list the tissues a needle would pentrate from outer skin (side shoulder) into the scapula. We are only allowed to use this list, we must list in order from outer to inner the following tissues. The 1st one is keratinized stratified sqauamous epithelium (as he told us it was). Here is the list of tissues. Not all of the tissues will be used. These are all epithelial, connective, muscle, and nervous tissue.

Simple squamous epithelium

Simple cuboidal epithelium

Simple columnar epithelium

Pseudostratified columnar epithelium with cilia

Stratified squamous epithelium

Explanation / Answer

Simple squamous epithelium - Penetration possible ( thinnest epithelial cell)

Simple cuboidal epithelium - Penetration possible ( single layer of cells which can be penetrated easily)

Simple columnar epithelium - Penetration possible

Pseudostratified columnar epithelium with cilia - Penetration not possible (single layered cells but appear as multiple-layered , present in nasal cavity)

Stratified squamous epithelium

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