a prickle
herd or prickle
The word you seek is 'prickle'.
hedgehogs
a prickle
A group of porcupines is called a herd or prickle.
A group of hedgehogs is usually called a herd. However, there are some other less-common named used for them such as a prickle or an array.
The collective nouns are an array of hedgehogs, a prickle of hedgehogs. However, in the wild there would never be such a thing as they are solitary animals.
A group of hedgehogs is known as either an array of hedgehogs or a prickle of hedgehogs.
The Stratum Spinosum are the cells that are also called the prickle cells. Stratum spinosum are not the cells: it's one of the epidermal layers. Keratinocytes are the cells which also called prickled cells.
An acantha is a prickle in botany, or an animal's spine or prickle.
A group of hedgehogs is usually called a herd. However, there are some other less-common named used for them such as a prickle or an array.