Podcast
Questions and Answers
What is the main goal of the lecture?
What is the main goal of the lecture?
- To introduce students to pharmacology
- To discuss the importance of dusting powders
- To acquire knowledge concerning cytology, physiology, and taxonomy of medicinal leafy plants (correct)
- To teach students how to prepare natural products
The lecture is taught by Dr. Mayada El-Ayouty, a professor of pharmacology.
The lecture is taught by Dr. Mayada El-Ayouty, a professor of pharmacology.
False (B)
What is the title of the lecture?
What is the title of the lecture?
Introduction
The lecture is part of the PG _____ course.
The lecture is part of the PG _____ course.
Match the following concepts with their corresponding descriptions:
Match the following concepts with their corresponding descriptions:
How many species of plants are known?
How many species of plants are known?
All medicinal plants have been discovered.
All medicinal plants have been discovered.
What is the basis of classification for plants based on their habit of body appearance?
What is the basis of classification for plants based on their habit of body appearance?
Plants with single usually elongated stem are classified as ____________________.
Plants with single usually elongated stem are classified as ____________________.
What is NOT a characteristic used to classify plants?
What is NOT a characteristic used to classify plants?
Match the following plant classifications with their definitions:
Match the following plant classifications with their definitions:
Plants have different characteristics with similar sizes.
Plants have different characteristics with similar sizes.
What is the term for plants that have a recognized medicinal use and have similar properties as conventional drugs?
What is the term for plants that have a recognized medicinal use and have similar properties as conventional drugs?
What is the title of the program mentioned in the content?
What is the title of the program mentioned in the content?
The year 2023 is mentioned in the content.
The year 2023 is mentioned in the content.
What is the title of the book mentioned in the content?
What is the title of the book mentioned in the content?
Vascular plants with seed are also known as ___________________.
Vascular plants with seed are also known as ___________________.
What is the name of the authors mentioned in the content?
What is the name of the authors mentioned in the content?
The content mentions a type of plant called 'Medicinal Plants'.
The content mentions a type of plant called 'Medicinal Plants'.
The book 'Tropical Horticulture' is edited by ___________________.
The book 'Tropical Horticulture' is edited by ___________________.
Match the following authors with their book titles:
Match the following authors with their book titles:
What is the scope of pharmacognosy?
What is the scope of pharmacognosy?
Pharmacognosists are responsible for evaluating the quality of synthetic medicines.
Pharmacognosists are responsible for evaluating the quality of synthetic medicines.
What are medicinal plants used for?
What are medicinal plants used for?
Pharmacognosy involves the study of crude drugs and their natural derivatives, including the study of their ______________________.
Pharmacognosy involves the study of crude drugs and their natural derivatives, including the study of their ______________________.
Match the following tasks with what pharmacognosists do:
Match the following tasks with what pharmacognosists do:
What is an example of a natural derivative mentioned in the text?
What is an example of a natural derivative mentioned in the text?
Pharmacognosists only study the pharmacology of synthetic medicines.
Pharmacognosists only study the pharmacology of synthetic medicines.
What part of the plant is used for medicinal purposes?
What part of the plant is used for medicinal purposes?
What does the Greek word 'Pharmakon' mean?
What does the Greek word 'Pharmakon' mean?
Pharmacognosy deals with the study of synthetic medicines.
Pharmacognosy deals with the study of synthetic medicines.
What does Pharmacognosy involve the study of?
What does Pharmacognosy involve the study of?
Pharmacognosy requires knowledge of ______________________ and other disciplines.
Pharmacognosy requires knowledge of ______________________ and other disciplines.
What is Pharmacognosy involved in?
What is Pharmacognosy involved in?
Pharmacognosy is a multidisciplinary subject.
Pharmacognosy is a multidisciplinary subject.
Match the following disciplines with their relation to Pharmacognosy:
Match the following disciplines with their relation to Pharmacognosy:
What are the aspects of crude drugs studied in Pharmacognosy?
What are the aspects of crude drugs studied in Pharmacognosy?
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Study Notes
PharmDD Program (2023/2024)
Introduction to Pharmacognosy
- Students will acquire knowledge about cytology, physiology, and taxonomy of medicinal leafy plants, dusting powders, and preparation of natural products derived drugs.
- The course will introduce students to different classes of secondary metabolites and pharmacologically active substances in certain official medicinal plants.
Definition of Pharmacognosy
- Pharmacognosy is a branch of pharmacy that deals with the study of medicines from natural sources (plant and animal) and their uses as medicaments from ancient times to present day.
- It involves the study of structural, physical, chemical, and biochemical characters of natural drugs of plant and animal origin.
Scope of Pharmacognosy
- Pharmacognosy is a multidisciplinary subject that requires knowledge of botany, ethnobotany, phytochemistry, microbiology, pharmacology, pharmaceutics, etc.
- It involves the studies of plants, animals, and other natural sources that yield crude drugs and drug substances, including their taxonomic identity, chemical, physical, and biological properties.
Pharmacognosists' Role
- Pharmacognosists isolate and characterize active constituents, evaluate the pharmacology of crude extracts and active constituents, and evaluate the quality of natural medicines.
Medicinal Plants
- Medicinal plants refer to the use of plant parts (seeds, berries, roots, leaves, bark, or flowers) for medicinal purposes.
- Many species of plants contain substances of medicinal value that have yet to be discovered.
Classification of Plants
- Kingdom Plantae consists of over 325,000 species of plants with different characteristics and sizes.
- Classification of plants is based on water requirements, habitat or environmental location, life duration, and natural system of classification.
Classification Based on Habit of Body Appearance
- Trees: woody plants with a single usually elongated stem.
- Shrubs: low, usually several stemmed woody plants.
- Herbs: plants with soft or succulent stem.
Vascular Plants
- Vascular plants with seed are classified into different groups.
References
- Joy, P.P., et al. (2001) Medicinal Plants. In: Bose, T.K., et al. (Eds.), Tropical Horticulture, Naya Prokash, Calcutta, 449-632.
- Joy, P.P., et al. (1998) Medicinal Plants. Tropical Horticulture, 2, 449-632.
- Evans, W.C. (2009) Trease and Evans' Pharmacognosy.
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