Spider anatomy - Wikipedia
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.
Anatomy of a Spider - Different Spider Body Parts - AnimalWised
2022年11月23日 · The cephalothorax, also known as the prosoma, is the anterior part of spiders which many people call the ‘head’. This does not have any type of segmentation and is joined to the posterior part by a structure known as the pedicel, the equivalent to a human waist.
Parts of a Spider and Its Labeled Diagram - Spider Identifications
Also known as prosoma, the cephalothorax is a fused body part containing the head and thorax, which bear the legs, eyes, and mouthparts. A cuticular plate (called a carapace) covers the cephalothorax, much like the shell of a crab.
The Anatomy of a Spider - Military and Veteran
2024年10月24日 · Body: A spider’s body is divided into two main parts: the cephalothorax and the abdomen. The cephalothorax is the front part of the body, which contains the brain, eyes, and legs. The abdomen is the rear part of the body, which contains the digestive organs and spinnerets. Legs: Spiders have eight legs, each of which is connected to the ...
Cephalothorax - Wikipedia
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.
Spider structure - The Australian Museum
Unlike an insect, the spider's body is in two sections. The head and thorax, bearing the eyes, mouthparts and legs, are fused together to form the cephalothorax.
Spiders of Kentucky - University of Kentucky Department of …
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."
Spider - Nervous System, Senses, Arachnid | Britannica
The nervous system of spiders, unlike that of other arachnids, is completely concentrated in the cephalothorax. The masses of nervous tissue (ganglia) are fused with a ganglion found under the esophagus and below and behind the brain.
Spider bodyparts - Anatomy of spiders - Hein Bijlmakers
If we compare a spider with an insect, the cephalothorax is a combination of head and thorax. The cephalothorax of spiders bears in front a pair of chelicera and a pair of palps. It also bears 4 pairs of legs (total 8 legs), and on top a number of small eyes. Spiders have no antennae and no wings.
Cephalothorax - an overview | ScienceDirect Topics
The body of a spider is divided into two regions: the anterior cephalothorax (prosoma), which represents a fusion of the head and thoracic segments, and the abdomen (opisthosoma) (Fig. 22.1). The cephalothorax bears the chelicerae, pedipalps, eyes, and legs.
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