EPIDERMAL TISSUE Meaning and
Definition
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Epidermal tissue refers to the outermost layer of cells in plants and animals, serving as a protective covering for the underlying structures. It is composed of specialized cells that form a continuous sheet, acting as a barrier against physical damage, water loss, and pathogen invasion.
In plants, the epidermal tissue is primarily found on the aerial parts, such as leaves, stems, and flowers. It consists of a single layer of tightly packed cells known as epidermis. These cells are typically transparent and lack chloroplasts, allowing light to penetrate through to the underlying photosynthetic tissues. The epidermis also contains specialized cells, such as guard cells that surround stomata, which are openings that regulate gas exchange and transpiration.
In animals, the epidermal tissue is found on the outermost layer of the skin, acting as a protective barrier. The epidermis is composed of several layers of cells, including keratinocytes that produce the protein keratin, giving strength and waterproofing properties to the skin. Other cells within the epidermis include melanocytes, responsible for skin pigmentation, and Langerhans cells, involved in immune responses.
Overall, epidermal tissue plays a crucial role in protecting organisms from external threats, maintaining fluid balance, and facilitating various physiological functions.
Common Misspellings for EPIDERMAL TISSUE
- wpidermal tissue
- spidermal tissue
- dpidermal tissue
- rpidermal tissue
- 4pidermal tissue
- 3pidermal tissue
- eoidermal tissue
- elidermal tissue
- e0idermal tissue
- epudermal tissue
- epjdermal tissue
- epkdermal tissue
- epodermal tissue
- ep9dermal tissue
- ep8dermal tissue
- episermal tissue
- epixermal tissue
- epicermal tissue
- epifermal tissue
- epirermal tissue
Etymology of EPIDERMAL TISSUE
The word "epidermal" comes from two Greek roots: "epi", meaning "upon" or "over", and "derma", meaning "skin". The term "tissue" originated from the Latin word "tessere", which means "to weave". So, the combination of these words gives us "epidermal tissue", referring to the outermost layer of living cells covering an organism's body or organ, which is primarily composed of skin cells.
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