When sensory hairs on the inside of the mandibles are touched, the trap jaw is triggered.
The most important to most arachnids are the fine sensory hairs that cover the body and give the animal its sense of touch.
Those are sacs with a small amount of inert mass inside, surrounded by sensory hairs.
Both the front feet and the small hind feet are fringed with sensory hairs that help the mole in its excavations.
Their noses are usually roundish snout-type, and the nostrils have many sensory hairs growing from the interior.
The desmans are semi-aquatic and have small sensory hairs that have been compared to the neuromasts of the lateral line.
Their bodies are covered in tiny sensory hairs and their wings made up of tiny delicate scales.
On two of them, antennae quivered and thousands of small sensory hairs pulsed.
These mole rats also have long sensory hairs called Vibrissae that stand out from the pelage (fur covering) over their body.
They are completely covered with different types of sensory hairs and sonsory structures.