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ANATOMY OF FLOWERING PLANTS

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  What is Plant Anatomy? Plant anatomy is the study of internal structure and organization of tissues in plants. It helps in understanding: Functional adaptation Transport system Growth patterns Tissue Organization in Flowering Plants Flowering plants have three major tissue systems :  Epidermal Tissue System Components: Epidermis Single layer of compact cells No intercellular spaces Covered by cuticle (except roots) Cuticle Made of cutin Prevents water loss Stomata Present mainly on leaves Composed of guard cells Regulate: Gas exchange Transpiration Root hairs Extensions of epidermal cells Increase surface area for absorption Trichomes (in stem) Hair-like structures Protection + reduce transpiration  Functions: Protection Water conservation Gas exchange 🌿 B. Ground Tissue System  Types of Ground Tissue: 1. Parenchyma Living cells, thin cell wall Large vacuole Functions: Storage Photosynthesis ( chlorenchyma ) Air storage ( aerenchyma ) 2. Collenchyma Living cell...

Decoding Numbness in Hands During Sleep: Causes, Management, and Prevention

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The sensation of waking up with numbness in the hands is a common occurrence that many individuals experience during sleep. While it is often considered a temporary inconvenience, understanding the underlying causes and potential implications of this phenomenon is crucial for maintaining optimal health and well-being. This article provides a comprehensive analysis of the factors contributing to numbness in hands during sleep, shedding light on its various aspects and offering insights into effective management strategies. Understanding Numbness in Hands During Sleep  Numbness in the hands during sleep, also known as nocturnal hand numbness, refers to the temporary loss of sensation or tingling in the hands upon awakening. It occurs due to compression or irritation of the nerves supplying the hands, leading to disrupted nerve signaling and subsequent numbness. The hands may feel weak or "asleep," making it difficult to perform daily tasks until the sensation returns. Causes of...