A nutritive inner region of integument is

Options

A. Amphithecium
B. Endothecium
C. Endothelium
D. Endostomium.

Answer

To solve the question "A nutritive inner region of integument is?", we will analyze each of the provided options step by step.

### Step 1: Understand the Question
The question asks for a specific term that refers to a nutritive inner region of the integument, which is a part of the structure in plants, particularly in relation to the female reproductive organ.

### Step 2: Analyze Each Option
1. **Amphithesium**:
- This term refers to the external layer of cells found on the outer wall of sporogenous tissue in moss sporangia.
- **Conclusion**: This option is incorrect as it does not relate to the nutritive inner region of integument.

2. **Endothesium**:
- The endothesium is a layer found in the anther of flowering plants, which is part of the male reproductive organ.
- **Conclusion**: This option is also incorrect since it pertains to male reproductive structures and not the integument.

3. **Endothelium**:
- The endothelium is a specialized tissue that serves a nutritive function. It is recognized as the nutritive inner region of the integument.
- **Conclusion**: This option is correct as it directly answers the question regarding the nutritive inner region.

4. **Endostomium**:
- The endostomium refers to the space located between the inner integument and the nucellus.
- **Conclusion**: This option is incorrect as it does not describe a nutritive region.

### Step 3: Final Answer
After analyzing all the options, the correct answer to the question "A nutritive inner region of integument is?" is **C. Endothelium**.

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