Question

a tylose is formed form​

Answer 1

Tylose is a balloon-like outgrowth of paratracheal parenchyma into a pit in the wall of a vessel or tracheid and a xylem parenchyma cell lying next to it. And this xylem parenchyma occurs at the edge of annual ring around the vessels.

Answer 2

Tʏʟᴏsᴇs ᴀʀᴇ ᴘʀᴏᴅᴜᴄᴇᴅ ʙʏ ᴀɴ ᴏᴜᴛɢʀᴏᴡᴛʜ ᴏғ ᴀ ʀᴀʏ ᴏʀ ᴀxɪᴀʟ ᴘᴀʀᴇɴᴄʜʏᴍᴀ ᴄᴇʟʟ ᴛʜᴀᴛ ᴇxᴘᴀɴᴅs ɪɴᴛᴏ ᴀ ɴᴇɪɢʜʙᴏʀɪɴɢ ᴠᴇssᴇʟ

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