Question

• What is compaction in the human develop-
ment?​

Answer 1

Explanation:

The morula (stage of embryonic development in humans) is referred to the ball of 16 cells which are formed from the repetitive cleavage of the zygote. During this stage, the differentiation starts among the cells. ... This process is known as compaction where the tight junctions are formed between the cells.

Answer 2

Answer:

• ᴛʜᴇ ᴍᴏʀᴜʟᴀ (ꜱᴛᴀɢᴇ ᴏꜰ ᴇᴍʙʀʏᴏɴɪᴄ ᴅᴇᴠᴇʟᴏᴘᴍᴇɴᴛ ɪɴ ʜᴜᴍᴀɴꜱ) ɪꜱ ʀᴇꜰᴇʀʀᴇᴅ ᴛᴏ ᴛʜᴇ ʙᴀʟʟ ᴏꜰ 16 ᴄᴇʟʟꜱ ᴡʜɪᴄʜ ᴀʀᴇ ꜰᴏʀᴍᴇᴅ ꜰʀᴏᴍ ᴛʜᴇ ʀᴇᴘᴇᴛɪᴛɪᴠᴇ ᴄʟᴇᴀᴠᴀɢᴇ ᴏꜰ ᴛʜᴇ ᴢʏɢᴏᴛᴇ.

• ᴅᴜʀɪɴɢ ᴛʜɪꜱ ꜱᴛᴀɢᴇ, ᴛʜᴇ ᴅɪꜰꜰᴇʀᴇɴᴛɪᴀᴛɪᴏɴ ꜱᴛᴀʀᴛꜱ ᴀᴍᴏɴɢ ᴛʜᴇ ᴄᴇʟʟꜱ.

• ᴛʜᴇ ᴏᴜᴛᴇʀ ᴄᴇʟʟꜱ ʙᴇɢɪɴ ᴛᴏ ꜰʟᴀᴛᴛᴇɴ ᴏᴜᴛ ᴀɴᴅ ᴛʜᴇ ɪɴɴᴇʀ ᴄᴇʟʟꜱ ᴀᴛᴛᴀᴄʜ ꜰɪʀᴍʟʏ ᴛᴏ ᴇᴀᴄʜ ᴏᴛʜᴇʀ.

• ᴛʜɪꜱ ᴘʀᴏᴄᴇꜱꜱ ɪꜱ ᴋɴᴏᴡɴ ᴀꜱ ᴄᴏᴍᴘᴀᴄᴛɪᴏɴ ᴡʜᴇʀᴇ ᴛʜᴇ ᴛɪɢʜᴛ ᴊᴜɴᴄᴛɪᴏɴꜱ ᴀʀᴇ ꜰᴏʀᴍᴇᴅ ʙᴇᴛᴡᴇᴇɴ ᴛʜᴇ ᴄᴇʟʟꜱ.