ScleriteA sclerite (Greek, sklēros, meaning "hard") is a hardened body part. In various branches of biology the term is applied to various structures, but not as a rule to vertebrate anatomical features such as bones and teeth. Instead it refers most commonly to the hardened parts of arthropodexoskeletons and the internal of invertebrates such as certain sponges and soft corals.
NotumThe notum (plural nota) is the dorsal portion of an insect's thoracic segment, or the dorsal surface of the body of nudibranch gastropods. The word "notum" is always applied to dorsal structures; in other words structures that are part of the back of an animal, as opposed to being part of the animal's ventral surface, or underside. This word is used in entomology, the study of insects, and in malacology, the study of mollusks.
ArthropodPhylum of invertebrates with jointed exoskeletonsArthropods ( ) are invertebrates in the phylumArthropoda. They possess an exoskeleton with a cuticle made of chitin, often mineralised with calcium carbonate, a body with differentiated (metameric) segments, and paired jointed appendages. In order to keep growing, they must go through stages of moulting, a process by which they shed their exoskeleton to reveal a new one.
Anatomical terms of locationStandard anatomical terms of location are used to describe unambiguously the anatomy of humans and other animals. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position provides a definition of what is at the front ("anterior"), behind ("posterior") and so on. As part of defining and describing terms, the body is described through the use of anatomical planes and axes.
StridulationSeveral unidentified grasshoppers stridulating.Problems playing this file? See .Ant stridulationsStridulations from a Pachycondyla apicalis worker.Stridulations from a Pachycondyla verenae worker.Stridulations from a Pheidole pallidula worker.Problems playing these files? See .Stridulation is the act of producing sound by rubbing together certain body parts.
Sternum (arthropod anatomy)The sternum (pl.: sterna) is the ventral portion of a segment of an arthropodthorax or abdomen. In insects, the sterna are usually single, large sclerites, and external.
Insect morphologyInsect morphology is the study and description of the physical form of insects. The terminology used to describe insects is similar to that used for other arthropods due to their shared evolutionary history. Three physical features separate insects from other arthropods: they have a body divided into three regions (called tagmata) (head, thorax, and abdomen), three pairs of legs, and mouthparts located outside of the head capsule.
PolydesmidaPolydesmida (from the Greek poly "many" and desmos "bond") is the largest order of millipedes, with more than 5,000 species, including all the millipedes reported to produce hydrogen cyanide (HCN). This order is also the most diverse of the millipede orders in terms of morphology. Millipedes in this order are found in all regions of the world other than Antarctica.
Insect wingInsect wings are adult outgrowths of the insectexoskeleton that enable insects to fly. They are found on the second and third thoracic segments (the mesothorax and metathorax), and the two pairs are often referred to as the forewings and hindwings, respectively, though a few insects lack hindwings, even rudiments.
Thorax (arthropod anatomy)The thorax is the midsection (tagma) of the hexapod body (insects and entognathans). It holds the head, legs, wings and abdomen. It is also called mesosoma or cephalothorax in other arthropods. It is formed by the prothorax, mesothorax and metathorax and comprises the scutellum; the cervix, a membrane that separates the head from the thorax; and the pleuron, a lateral sclerite of the thorax.
KinorhynchaKinorhyncha (Ancient Greek: κινέω, romanized: kīnéō, lit.'I move', ῥύγχοςrhúnkhos "snout") is a phylum of small marine invertebrates that are widespread in mud or sand at all depths as part of the meiobenthos. They are commonly called mud dragons. Modern species are 1 mm (0.039 in) or less, but Cambrian forms could reach 4 cm (1.6 in). AnatomyKinorhynchs are limbless animals, with a body consisting of a head, neck, and a trunk of eleven segments.
Scutellum (insect anatomy)The scutellum is the posterior portion of either the mesonotum or the metanotum of an insectthorax; however, it is used almost exclusively in the former context, as the metanotum is rather reduced in most insect groups. In the Hemiptera, and some Coleoptera, the scutellum is a small triangular plate behind the pronotum and between the forewing bases.*As an Amazon Associate I earn from qualifying purchases.