Biology, asked by pooja36572, 10 months ago

List the characteristic features of epidermal cells.

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Answered by Anonymous

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$\huge {\mathfrak {\purple {Q.}}}}$ List the characteristic features of epidermal cells.

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ᴇᴘɪᴅᴇʀᴍᴀʟ ᴄᴇʟʟs ᴀʀᴇ ᴛɪɢʜᴛʟʏ ʟɪɴᴋᴇᴅ ᴛᴏ ᴇᴀᴄʜ ᴏᴛʜᴇʀ ᴀɴᴅ ᴘʀᴏᴠɪᴅᴇ ᴍᴇᴄʜᴀɴɪᴄᴀʟ sᴛʀᴇɴɢᴛʜ ᴀɴᴅ ᴘʀᴏᴛᴇᴄᴛɪᴏɴ ᴛᴏ ᴛʜᴇ ᴘʟᴀɴᴛ. ᴛʜᴇ ᴡᴀʟʟs ᴏғ ᴛʜᴇ ᴇᴘɪᴅᴇʀᴍᴀʟ ᴄᴇʟʟs ᴏғ ᴛʜᴇ ᴀʙᴏᴠᴇ ɢʀᴏᴜɴᴅ ᴘᴀʀᴛs ᴏғ ᴘʟᴀɴᴛs ᴄᴏɴᴛᴀɪɴ ᴄᴜᴛɪɴ, ᴀɴᴅ ᴀʀᴇ ᴄᴏᴠᴇʀᴇᴅ ᴡɪᴛʜ ᴀ ᴄᴜᴛɪᴄʟᴇ.

ᴛʜᴇ ᴇᴘɪᴅᴇʀᴍɪs (ғʀᴏᴍ ᴛʜᴇ ɢʀᴇᴇᴋ ᴍᴇᴀɴɪɴɢ "ᴏᴠᴇʀ-sᴋɪɴ") ɪs ᴀ sɪɴɢʟᴇ ʟᴀʏᴇʀ ᴏғ ᴄᴇʟʟs ᴛʜᴀᴛ ᴄᴏᴠᴇʀs ᴛʜᴇ ʟᴇᴀᴠᴇs, ғʟᴏᴡᴇʀs, ʀᴏᴏᴛs ᴀɴᴅ sᴛᴇᴍs ᴏғ ᴘʟᴀɴᴛs. ɪᴛ ғᴏʀᴍs ᴀ ʙᴏᴜɴᴅᴀʀʏ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ᴘʟᴀɴᴛ ᴀɴᴅ ᴛʜᴇ ᴇxᴛᴇʀɴᴀʟ ᴇɴᴠɪʀᴏɴᴍᴇɴᴛ. ᴛʜᴇ ᴇᴘɪᴅᴇʀᴍɪs sᴇʀᴠᴇs sᴇᴠᴇʀᴀʟ ғᴜɴᴄᴛɪᴏɴs: ɪᴛ ᴘʀᴏᴛᴇᴄᴛs ᴀɢᴀɪɴsᴛ ᴡᴀᴛᴇʀ ʟᴏss, ʀᴇɢᴜʟᴀᴛᴇs ɢᴀs ᴇxᴄʜᴀɴɢᴇ, sᴇᴄʀᴇᴛᴇs ᴍᴇᴛᴀʙᴏʟɪᴄ ᴄᴏᴍᴘᴏᴜɴᴅs, ᴀɴᴅ (ᴇsᴘᴇᴄɪᴀʟʟʏ ɪɴ ʀᴏᴏᴛs) ᴀʙsᴏʀʙs ᴡᴀᴛᴇʀ ᴀɴᴅ ᴍɪɴᴇʀᴀʟ ɴᴜᴛʀɪᴇɴᴛs. ᴛʜᴇ ᴇᴘɪᴅᴇʀᴍɪs ᴏғ ᴍᴏsᴛ ʟᴇᴀᴠᴇs sʜᴏᴡs ᴅᴏʀsᴏᴠᴇɴᴛʀᴀʟ ᴀɴᴀᴛᴏᴍʏ: ᴛʜᴇ ᴜᴘᴘᴇʀ (ᴀᴅᴀxɪᴀʟ) ᴀɴᴅ ʟᴏᴡᴇʀ (ᴀʙᴀxɪᴀʟ) sᴜʀғᴀᴄᴇs ʜᴀᴠᴇ sᴏᴍᴇᴡʜᴀᴛ ᴅɪғғᴇʀᴇɴᴛ ᴄᴏɴsᴛʀᴜᴄᴛɪᴏɴ ᴀɴᴅ ᴍᴀʏ sᴇʀᴠᴇ ᴅɪғғᴇʀᴇɴᴛ ғᴜɴᴄᴛɪᴏɴs. ᴡᴏᴏᴅʏ sᴛᴇᴍs ᴀɴᴅ sᴏᴍᴇ ᴏᴛʜᴇʀ sᴛᴇᴍ sᴛʀᴜᴄᴛᴜʀᴇs sᴜᴄʜ ᴀs ᴘᴏᴛᴀᴛᴏ ᴛᴜʙᴇʀs ᴘʀᴏᴅᴜᴄᴇ ᴀ sᴇᴄᴏɴᴅᴀʀʏ ᴄᴏᴠᴇʀɪɴɢ ᴄᴀʟʟᴇᴅ ᴛʜᴇ ᴘᴇʀɪᴅᴇʀᴍ ᴛʜᴀᴛ ʀᴇᴘʟᴀᴄᴇs ᴛʜᴇ ᴇᴘɪᴅᴇʀᴍɪs ᴀs ᴛʜᴇ ᴘʀᴏᴛᴇᴄᴛɪᴠᴇ ᴄᴏᴠᴇʀɪɴɢ.

ᴛʜᴇ ᴄᴇʟʟs ᴏғ ᴛʜᴇ ᴇᴘɪᴅᴇʀᴍɪs ᴀʀᴇ sᴛʀᴜᴄᴛᴜʀᴀʟʟʏ ᴀɴᴅ ғᴜɴᴄᴛɪᴏɴᴀʟʟʏ ᴠᴀʀɪᴀʙʟᴇ. ᴍᴏsᴛ ᴘʟᴀɴᴛs ʜᴀᴠᴇ ᴀɴ ᴇᴘɪᴅᴇʀᴍɪs ᴛʜᴀᴛ ɪs ᴀ sɪɴɢʟᴇ ᴄᴇʟʟ ʟᴀʏᴇʀ ᴛʜɪᴄᴋ. sᴏᴍᴇ ᴘʟᴀɴᴛs ʟɪᴋᴇ ғɪᴄᴜs ᴇʟᴀsᴛɪᴄᴀ ᴀɴᴅ ᴘᴇᴘᴇʀᴏᴍɪᴀ, ᴡʜɪᴄʜ ʜᴀᴠᴇ ᴘᴇʀɪᴄʟɪɴᴀʟ ᴄᴇʟʟᴜʟᴀʀ ᴅɪᴠɪsɪᴏɴ ᴡɪᴛʜɪɴ ᴛʜᴇ ᴘʀᴏᴛᴏᴅᴇʀᴍ ᴏғ ᴛʜᴇ ʟᴇᴀᴠᴇs, ʜᴀᴠᴇ ᴀɴ ᴇᴘɪᴅᴇʀᴍɪs ᴡɪᴛʜ ᴍᴜʟᴛɪᴘʟᴇ ᴄᴇʟʟ ʟᴀʏᴇʀs. ᴇᴘɪᴅᴇʀᴍᴀʟ ᴄᴇʟʟs ᴀʀᴇ ᴛɪɢʜᴛʟʏ ʟɪɴᴋᴇᴅ ᴛᴏ ᴇᴀᴄʜ ᴏᴛʜᴇʀ ᴀɴᴅ ᴘʀᴏᴠɪᴅᴇ ᴍᴇᴄʜᴀɴɪᴄᴀʟ sᴛʀᴇɴɢᴛʜ ᴀɴᴅ ᴘʀᴏᴛᴇᴄᴛɪᴏɴ ᴛᴏ ᴛʜᴇ ᴘʟᴀɴᴛ. ᴛʜᴇ ᴡᴀʟʟs ᴏғ ᴛʜᴇ ᴇᴘɪᴅᴇʀᴍᴀʟ ᴄᴇʟʟs ᴏғ ᴛʜᴇ ᴀʙᴏᴠᴇ ɢʀᴏᴜɴᴅ ᴘᴀʀᴛs ᴏғ ᴘʟᴀɴᴛs ᴄᴏɴᴛᴀɪɴ ᴄᴜᴛɪɴ, ᴀɴᴅ ᴀʀᴇ ᴄᴏᴠᴇʀᴇᴅ ᴡɪᴛʜ ᴀ ᴄᴜᴛɪᴄʟᴇ. ᴛʜᴇ ᴄᴜᴛɪᴄʟᴇ ʀᴇᴅᴜᴄᴇs ᴡᴀᴛᴇʀ ʟᴏss ᴛᴏ ᴛʜᴇ ᴀᴛᴍᴏsᴘʜᴇʀᴇ, ɪᴛ ɪs sᴏᴍᴇᴛɪᴍᴇs ᴄᴏᴠᴇʀᴇᴅ ᴡɪᴛʜ ᴡᴀx ɪɴ sᴍᴏᴏᴛʜ sʜᴇᴇᴛs, ɢʀᴀɴᴜʟᴇs, ᴘʟᴀᴛᴇs, ᴛᴜʙᴇs ᴏʀ ғɪʟᴀᴍᴇɴᴛs. ᴛʜᴇ ᴡᴀx ʟᴀʏᴇʀs ɢɪᴠᴇ sᴏᴍᴇ ᴘʟᴀɴᴛs ᴀ ᴡʜɪᴛɪsʜ ᴏʀ ʙʟᴜɪsʜ sᴜʀғᴀᴄᴇ ᴄᴏʟᴏʀ. sᴜʀғᴀᴄᴇ ᴡᴀx ᴀᴄᴛs ᴀs ᴀ ᴍᴏɪsᴛᴜʀᴇ ʙᴀʀʀɪᴇʀ ᴀɴᴅ ᴘʀᴏᴛᴇᴄᴛs ᴛʜᴇ ᴘʟᴀɴᴛ ғʀᴏᴍ ɪɴᴛᴇɴsᴇ sᴜɴʟɪɢʜᴛ ᴀɴᴅ ᴡɪɴᴅ.ᴛʜᴇ ᴜɴᴅᴇʀsɪᴅᴇ ᴏғ ᴍᴀɴʏ ʟᴇᴀᴠᴇs ʜᴀᴠᴇ ᴀ ᴛʜɪɴɴᴇʀ ᴄᴜᴛɪᴄʟᴇ ᴛʜᴀɴ ᴛʜᴇ ᴛᴏᴘ sɪᴅᴇ, ᴀɴᴅ ʟᴇᴀᴠᴇs ᴏғ ᴘʟᴀɴᴛs ғʀᴏᴍ ᴅʀʏ ᴄʟɪᴍᴀᴛᴇs ᴏғᴛᴇɴ ʜᴀᴠᴇ ᴛʜɪᴄᴋᴇɴᴇᴅ ᴄᴜᴛɪᴄʟᴇs ᴛᴏ ᴄᴏɴsᴇʀᴠᴇ ᴡᴀᴛᴇʀ ʙʏ ʀᴇᴅᴜᴄɪɴɢ ᴛʀᴀɴsᴘɪʀᴀᴛɪᴏɴ.[ᴄɪᴛᴀᴛɪᴏɴ ɴᴇᴇᴅᴇᴅ]

1) ɪᴛ ɪs ᴄᴏᴠᴇʀᴇᴅ ʙʏ ᴀ ᴡᴀxʏ ᴄᴏᴀᴛɪɴɢ sᴜʙsᴛᴀɴᴄᴇ ᴄᴀʟʟᴇᴅ ᴄᴜᴛɪᴄʟᴇ

2) ɪᴛ ᴄᴏɴsɪsᴛs ᴏғ ᴛᴡᴏ ᴘᴀʀᴛs : ᴜᴘᴘᴇʀ ᴇᴘɪᴅᴇʀᴍɪs ᴀɴᴅ ʟᴏᴡᴇʀ ᴇᴘɪᴅᴇʀᴍɪs

3)ɪᴛ ᴘʀᴏᴛᴇᴄᴛs ᴛʜᴇ ɪɴᴛᴇʀɴᴀʟ ᴏʀɢᴀɴs ғʀᴏᴍ ᴠᴀʀɪᴏᴜs ᴘᴀᴛʜᴏɢᴇɴs ᴀɴᴅ ᴏᴛʜᴇʀ sᴜʙsᴛᴀɴᴄᴇs.

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