What is the function of root hairs?
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Root hair cells (black arrow pointing at one of the root hair cells) are single tubular root cells. Their distinctive lateral elongation increases the surface of exchange between the plant's root system and the soil. The main function of root hairs is the uptake of water and nutrients from the rhizosphere.
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ʀᴏᴏᴛ ʜᴀɪʀ ᴄᴇʟʟs (ʙʟᴀᴄᴋ ᴀʀʀᴏᴡ ᴘᴏɪɴᴛɪɴɢ ᴀᴛ ᴏɴᴇ ᴏғ ᴛʜᴇ ʀᴏᴏᴛ ʜᴀɪʀ ᴄᴇʟʟs) ᴀʀᴇ sɪɴɢʟᴇ ᴛᴜʙᴜʟᴀʀ ʀᴏᴏᴛ ᴄᴇʟʟs. ᴛʜᴇɪʀ ᴅɪsᴛɪɴᴄᴛɪᴠᴇ ʟᴀᴛᴇʀᴀʟ ᴇʟᴏɴɢᴀᴛɪᴏɴ ɪɴᴄʀᴇᴀsᴇs ᴛʜᴇ sᴜʀғᴀᴄᴇ ᴏғ ᴇxᴄʜᴀɴɢᴇ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ᴘʟᴀɴᴛ's ʀᴏᴏᴛ sʏsᴛᴇᴍ ᴀɴᴅ ᴛʜᴇ sᴏɪʟ. ᴛʜᴇ ᴍᴀɪɴ ғᴜɴᴄᴛɪᴏɴ ᴏғ ʀᴏᴏᴛ ʜᴀɪʀs ɪs ᴛʜᴇ ᴜᴘᴛᴀᴋᴇ ᴏғ ᴡᴀᴛᴇʀ ᴀɴᴅ ɴᴜᴛʀɪᴇɴᴛs ғʀᴏᴍ ᴛʜᴇ ʀʜɪᴢᴏsᴘʜᴇʀᴇ.
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