1. related to embryo or undeveloped.   Hint First letter clue   2. pertaining to mental processes or knowing.   First letter clue   3. confirmed or recurring as a disease.   First letter clue   4. fragrant or sweet-smelling.   First letter clue   5. flying or radiating from a center.   First letter clue   6. having cilia or minute hairs.   First letter clue   7. causing compression or contraction.   First letter clue