Pääkuori
Pääkuori, in Finnish entomology and arthropod anatomy, refers to the head capsule: the rigid, sclerotized part of the exoskeleton that encases the head. It is formed by fused head sclerites and houses essential sensory organs such as the eyes, antennae, and mouthparts. The talla and shape of the pääkuori vary among groups, reflecting differences in taxonomy and development.
In terms of structure, the pääkuori includes regions corresponding to the frontal area, clypeus, genae, and
Developmentally, the pääkuori is part of the molting cycle shared by most arthropods. During ecdysis, the old
Usage and relevance: the term remains common in Finnish descriptions of insect and crustacean morphology and