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Há 2 dias · By 1900 lancelets had become a model organism. By the mid-20th century they had fallen out of favor for a variety of reasons, including a decline of comparative anatomy and embryology, and due to the belief that lancelets were more derived than they appeared, e.g., the profound asymmetry in the larval stage.
Há 1 dia · The vertebrates are the only chordate group with neural cephalization, and their neural functions are centralized towards a series of vesicular enlargements in the head, which give rise to a brain.
Há 5 dias · Ascidians (Phylum: Chordata, Class: Ascidiacea), or sea squirts, are the largest and most diverse class of the sub-phylum Tunicata (also known as Urochordata). They comprise approximately 3000 described species found in all marine habitats from shallow water to the deep sea.
Há 3 dias · All ten extant salamander families are grouped together under the order Urodela from the group Caudata. [2] Urodela is a scientific Latin term based on the Ancient Greek οὐρά δήλη: ourà dēlē "conspicuous tail". Caudata is the Latin for "tailed ones", from cauda : "tail".
Há 2 dias · Introduction. Hemichordata is a unique phylum of marine invertebrates found in a wide range of depths and habitats. Two distinctly different body plans exist in this phylum: the large, solitary acorn worms (Class Enteropneusta), and the filter-feeding colonies of the class Pterobranchia.
24 de mai. de 2024 · Chordate Medical Holding AB (publ) is a medical technology company that has developed, patented and CE-marked Ozilia® Migraine (formerly K.O.S), a neuromodulation and drug-free treatment technology for chronic migraine and chronic rhinitis.
27 de mai. de 2024 · Chordates are animals that belong to the phylum Chordata. These animals are unified by the presence in their bodies of a flexible rod that supports their backsides at some point during their development. While most chordates are vertebrates and have backbones, some are invertebrates.
