Anagram & Information om | Engelska ordet PLEON

Exempel på hur du använder PLEON i en mening

• The isopod body plan consists of a head (cephalon), a thorax (pereon) with seven segments (pereonites), and an abdomen (pleon) with six segments (pleonites), some of which may be fused.
• This abdomen (sometimes called a pleon) is folded against the underside of the cephalothorax and is composed of six segments – called somites or pleonites – and a telson.
• As in other decapod crustaceans, the bilaterally symmetrical body of a squat lobster may be divided into two main regions: the cephalothorax (itself made up of the cephalon, or head, and the thorax), and the pleon or abdomen.
• Correlations between the folding of the pleon tail and widening of the cephalothorax across disparate decapod species suggest similar evolutionary pressures.
• The decapod (crustaceans such as a crab, lobster, shrimp or prawn) is made up of 20 body segments grouped into two main body parts: the cephalothorax and the pleon (abdomen).
• Calman coined the term caridoid facies for the common eumalacostracan (shrimp-like) features; the most important of these is the constant number of segments in each tagma: members of this class have five segments in the cephalon, eight thoracic segments (thoracomeres) and six segments in the pleon and possess a telson, which forms a characteristic tail fan when the uropods are present.
• The pereiopods are held close to the head, while the pleopods are attached to the pleon, making it appear no appendages on the pereon.
• The pleon ends in a telson flanked by a pair of uropods, which are similar in form to the pereiopods, and aid in digging.
• Newly molted individuals have displayed a shift of their entire body forwards, with the cephalothorax angled downwards with respect to the pleon and both chelipeds extended forwards and towards each other; body jerked rapidly backwards with pleon curled and walking pereiopods extended; cephalothorax angled upwards, while the chelipeds were spread apart and moved backwards; and continuous undulations of pleopods.
• Pleopodal lungs are identifiable on woodlice as white patches on the lower five segments (the pleon) on the ventral side (underside).
• Armadillidium maculatum, like all other woodlice, have 7 pairs of legs and 7 main body segments (pleon).

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