what do you mean by ectoderms ??
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Answer:
ᴛʜᴇ ᴇᴄᴛᴏᴅᴇʀᴍ ɪs ᴛʜᴇ ᴍᴏsᴛ ᴇxᴛᴇʀɪᴏʀ ᴏғ ᴛʜᴇ ᴛʜʀᴇᴇ ᴘʀɪᴍᴀʀʏ ɢᴇʀᴍ ʟᴀʏᴇʀs ғᴏʀᴍᴇᴅ ɪɴ ᴛʜᴇ ᴠᴇʀʏ ᴇᴀʀʟʏ ᴇᴍʙʀʏᴏ. ᴛʜᴇ ᴏᴛʜᴇʀ ᴛᴡᴏ ʟᴀʏᴇʀs ᴀʀᴇ ᴛʜᴇ ᴍᴇsᴏᴅᴇʀᴍ (ᴍɪᴅᴅʟᴇ ʟᴀʏᴇʀ), ᴀɴᴅ ᴇɴᴅᴏᴅᴇʀᴍ (ɪɴɴᴇʀᴍᴏsᴛ ʟᴀʏᴇʀ). ... ᴛʜᴇ ᴡᴏʀᴅ ᴇᴄᴛᴏᴅᴇʀᴍ ᴄᴏᴍᴇs ғʀᴏᴍ ᴛʜᴇ ɢʀᴇᴇᴋ ᴇᴋᴛᴏs ᴍᴇᴀɴɪɴɢ "ᴏᴜᴛsɪᴅᴇ", ᴀɴᴅ ᴅᴇʀᴍᴀ ᴍᴇᴀɴɪɴɢ "sᴋɪɴ."
Explanation:
ᴍᴇᴅɪᴄᴀʟ ᴅᴇғɪɴɪᴛɪᴏɴ ᴏғ ᴇᴄᴛᴏᴅᴇʀᴍ
1 : ᴛʜᴇ ᴏᴜᴛᴇʀᴍᴏsᴛ ᴏғ ᴛʜᴇ ᴛʜʀᴇᴇ ᴘʀɪᴍᴀʀʏ ɢᴇʀᴍ ʟᴀʏᴇʀs ᴏғ ᴀɴ ᴇᴍʙʀʏᴏ.
2 : ᴀ ᴛɪssᴜᴇ (ᴀs ɴᴇᴜʀᴀʟ ᴛɪssᴜᴇ) ᴅᴇʀɪᴠᴇᴅ ғʀᴏᴍ ᴇᴄᴛᴏᴅᴇʀᴍ.
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Medical Definition of ectoderm
the outermost of the three primary germ layers of an embryo. 2 : a tissue (as neural tissue) derived from ectoderm.
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