Lab 4: Histology
Directions: There are five (5) activities in this lab. Please be sure to complete them all. For all questions, type your answers into the yellow box ____ (including your name above) it will expand as you write.
Activity 1: Tissue Types
1-1: List the four types of tissue found in the human body and give an example of each.
1. _Epithelial__example: Skin_
2. Connective_ example: Tendons___
3. _Muscle__example: Muscles of heart_
4. _Nervous_example: Brain__
Activity 2: Epithelial tissue
2-1: What are the characteristics of epithelial tissue? _Polarity, Specialized contacts, Supported of connective tissue, Avascular but innervated, Regeneration___
2-2: What is the function of epithelial tissue? __protection, absorption, filtration, secretion, excretion, sensory reception______
2-3: Where is epithelial tissue found? Outer layer of skin, lines the open cavities of the cardiovascular, digestive, and respiratory system, also covers the walls and organs of the closed ventral body cavity
2-4: This is a cross section of the esophagus. Number 1 represents the lumen of the esophagus. Identify the tissue types indicated by 2 and 3.
2. Stratified squamous epithel
3. Dense irregular connective tissue
2-5: Below is a picture of intestinal villi. Identify the tissue type at 1 and the cell type at 3.
1. Simple columnar epithelium
3. Goblet cells
2-6: Below is a photo of the trachea. Identify the cell modifications at 1, and the tissue types at 2 and 3.
2. _Pseudostratified epithelial layer___
3. Pseudostratified columnar epithelium___
2-7: Identify the tissue type at 1 below: Simple columnar epithelium
2-8: The picture below shows kidney tubules. Identify the tissue type at 1 and 3:
1. Outer wall composed of simple