| Answer | Crossword Clue |
|---|---|
| sensilla | a simple sense organ |
| sensillae | SENSILLA, a simple sense organ |
| sensilla | simple sense organ usually consisting of one or a few cells at the peripheral end of a sensory nerve fiber |
| eyespot | a simple visual organ of lower animals |
| eyespots | EYESPOT, a simple visual organ of lower animals |
| holdfast | A stalked organ by which an alga or other simple aquatic plant or animal is attached to a substrate |
| holdfasts | A stalked organ by which an alga or other simple aquatic plant or animal is attached to a substrate |
