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Questions and Answers
Which part of a plant do both Valerian and Hydrastis primarily have collected?
What distinguishes some drugs classified as roots in terms of their actual plant structure?
Which of the following drugs is primarily recognized as a rhizome?
Which of the following statements about plant parts is true?
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Which combination of drugs contains roots and rhizomes as part of their structure?
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What type of cells does Metaderm consist of?
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Which feature is characteristic of the Metaderm?
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From which part of the plant does the Metaderm derive its cells?
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What characteristic of Metaderm indicates it is derived from cortex tissue?
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Which of the following statements about Metaderm is true?
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What is characteristic of open vascular bundles?
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Which example is mentioned in relation to open vascular bundles?
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What is indicated by continuous ring formation in vascular bundles?
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In open vascular bundles, which of the following components is essential?
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What separates the vascular bundles from each other in open bundles?
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What is Senega derived from?
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Which family does Polygala Senega belong to?
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What characteristic of Senega is noted in the description?
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What type of tests are mentioned for identifying Senega?
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Which of the following is NOT a characteristic of Senega as described?
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What is one of the primary sulfur-containing compounds found in garlic?
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Where is garlic originally indigenous to?
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What characteristic of alliin makes it notable?
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Which family does garlic belong to?
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In addition to alliin, garlic produces what type of compounds?
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Study Notes
### Plant Parts Used for Medicine
- Valerian and Hydrastis roots and rhizomes are used in medicine
- Gentian and Rhubarb are commonly referred to as roots, but consist of rhizome
- Liquorices and Rauwolfia are also used in medicine
### Metaderm
- Metaderm is comprised of few rows of suberised cells
- Metaderm is derived from the outer layers of the cortex
- Metaderm may show intercellular spaces
### Vascular Bundles: Open
- Show cambium, widely separated by medullary rays forming a single ring around the pith
- Examples of open vascular bundles include Podophyllum
- Open vascular bundles can have secondary tissues greatly developed, forming a continuous ring around the pith
- Example of open vascular bundles with developed secondary tissues is Senega
### Senega
- Senega is the dried root and root-stock of Polygala Senega Linne, Fam. Polygalaceae
- Senega contains fragments of smaller vessels and numerous slit-shaped pits tracheids
Garlic (Allium sativum)
- Garlic belongs to the Liliaceae family
- Garlic is indigenous to Central Asia, but is now grown worldwide
- Contains a volatile oil made up of sulfur containing compounds
- The main sulfur-containing compound is alliin (S-allyl-cysteine sulfoxide), which is highly sensitive
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Description
This quiz explores various plant parts utilized in medicine, such as roots and rhizomes, along with specific examples like Valerian and Senega. Additionally, it covers the structure of Metaderm and open vascular bundles. Test your knowledge on the medicinal applications and anatomical features of these plants.
