The cephalothorax, also called prosoma in some groups, is a tagma of various arthropods, comprising the head and the thorax fused together, as distinct from the abdomen behind. [1] The terms prosoma and opisthosoma are equivalent to cephalothorax and abdomen in some groups.

The cephalothorax, also called prosoma, is composed of two primary surfaces: a dorsal carapace and a ventral sternum. Most external appendages on the spider are attached to the cephalothorax, including the eyes, chelicerae and other mouthparts, pedipalps and legs.

The meaning of CEPHALOTHORAX is the united head and thorax of an arachnid or higher crustacean.

2009年11月19日 · The cephalothorax is the first of 2 body parts on a spider. It is a combination of the head and thorax, and on it are found the legs, eyes, pedipalps, chelicerae, and other mouthparts. The cephalothorax and abdomen are connected by a thin stalk called the "pedicel."

2018年5月29日 · cephalothorax In some members of the phylum Arthropoda, the fused head and thorax. It is found in members of the Chelicerata (classes Merostomata, Arachnida, and Pycnogonida), and in most Crustacea. In spiders, it is the prosoma, which is covered by a sclerotized plate (carapace), and which bears the walking limbs, pedipalps, chelicerae, and ...

The cephalothorax is the area marked in yellow. The cephalothorax, also called a prosoma, is the body part of some arthropods where the head and the thorax are one. [1] It is common in crustacea and chelicerates. The cephalothorax may be covered with a tough carapace.

…often referred to as the cephalothorax. A pair of appendages is attached to each somite. The first two pairs, the first and second antennae, consist of a segmented stalk and flagella, and serve such sensory functions as olfaction, touch, and balance. The remaining three head appendages are either the crushing… Read More; horseshoe crabs

The cephalothorax, a fused head and thorax, contains the internal organs including the digestive system, the heart, and the gonads. It is about one-third of the body length and is covered by a thin shell or carapace.

2008年6月4日 · cephalothorax noun - the first (anterior) body section of arachnids (spiders and allies) and also of various crustaceans. The cephalothorax is also called the prosoma. The other major body section is the abdomen, perhaps more accurately called the opisthosoma.

Arachnids, such as spiders, scorpions, mites, and ticks, are characterized by having eight legs, two body parts - the cephalothorax and the abdomen, a hard external skeleton, fang-like pincers (chelicerae), and simple eyes. The tarantula, the largest of our native spiders, is extremely shy and docile – a gentle giant.