Epithelial Tissue: Structures NOT Lined By It
This question asks to identify which of the given options is not lined by epithelial tissue. Epithelial tissues form linings and coverings for body surfaces and cavities.
Analysis of Options:
- Skin: The outer layer of the skin, the epidermis, is composed of stratified squamous epithelial tissue.
- Kidney tubules: These structures are lined with specialized epithelial cells (simple cuboidal or simple squamous epithelium) involved in filtration and reabsorption.
- Blood: Blood is a fluid connective tissue, composed of plasma, red blood cells, white blood cells, and platelets. While blood vessels are lined by endothelium (a type of epithelium), the blood itself is not considered a tissue lined by epithelium.
- Lung alveoli: The tiny air sacs in the lungs where gas exchange occurs are lined by a single layer of simple squamous epithelium (Type I pneumocytes).
Conclusion:
Based on the analysis, Blood is the correct answer because it is a fluid connective tissue and is not lined by epithelial tissue, although the vessels containing it are.
Similar Questions
Select the correct option for liquid connective tissue.
Which of the following is the most common simple permanent tissue?
The division of labour occure in :
Which tissue is responsible for movement in our body?
Match the columns.
Epitdelial Tissue Location I. Cuboidal Epitdelium A. Lining of intestine II. Columnar Epitdelium B. Skin III. Squamous Epitdelium C. Lining of kidney tubules What is the function of the xylem?
- Which of the following is NOT a characteristic of muscular tissue?
- Which of the following is NOT an example of connective tissue?
- Which permanent tissue makes a plant hard and stiff?
Important Questions from Tissue
Which of the following statements is/are correct?
1. Viruses lack enzymes necessary for the generation of energy
2. Viruses can be cultured in any synthetic medium.
3. Viruses are transmitted from one organism to another by biological vectors only
Select the correct answer using the codes given below.
Which of the following leaf modifications occurs/occur in desert areas to inhibit water loss? 1. Hard and waxy leaves 2. Tiny leaves or no leaves 3. Thorns instead of leaves Select the correct answer using the codes given below.
Select the correct option for liquid connective tissue.
Which of the following is the most common simple permanent tissue?
The division of labour occure in :
