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What is T cell migration occurs to tonsil occurs at intrauterine age of: and explain in detail?
Ans: d (18-19 wks)Ref: Human Embryology by I B Singh, 8th edi., Pg. 147\IU ageDevelopmental events4 weeks2 lateral lingual swellings & tuberculum impar5 weeksHypobranchial eminence6 weeksDental lamina of upper & lower jaw7 weeksSalivary glands8 weeksEnamel organs3 monthsFormation of tonsil5 monthsTonsil infiltrated by lymphatic tissue6 monthsTongue formation complete