caudal vesicle
Look at other dictionaries:
caudal vesicle — noun : the posterior part of certain larval tapeworms into which the scolex and neck may be retracted compare cysticercoid … Useful english dictionary
Kupffer's vesicle — a small ventro caudal epithelial pocket formed mid ventrally posterior the the yolk cell or its extension as the blastopore narrows in embryonic fish … Dictionary of ichthyology
reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… … Universalium
human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… … Universalium
nervous system — Anat., Zool. 1. the system of nerves and nerve centers in an animal or human, including the brain, spinal cord, nerves, and ganglia. 2. a particular part of this system. Cf. autonomic nervous system, central nervous system, peripheral nervous… … Universalium
mechanoreception — See mechanoreceptor. * * * Ability to detect and respond to mechanical stimuli in one s environment. A slight deformation of a mechanoreceptive neuron causes an electric charge at its surface, activating a response. Mechanoreceptors in pain spots … Universalium
Neurulation — Neuroscience portal Transve … Wikipedia
nervous system, human — ▪ anatomy Introduction system that conducts stimuli from sensory receptors to the brain and spinal cord and that conducts impulses back to other parts of the body. As with other higher vertebrates, the human nervous system has two main… … Universalium
osteoglossomorph — ▪ fish Introduction any member of what is widely believed to be the most primitive group of bony fishes (bony fish). This reputation stems from their rudimentary caudal skeleton and the lack of a set of intermuscular bones throughout the… … Universalium
duct — A tubular structure giving exit to the secretion of a gland or organ, capable of conducting fluid. SEE ALSO: canal. SYN: ductus [TA]. [L. duco, pp. ductus, to lead] aberrant ducts SYN: aberrant ductules, under ductule … Medical dictionary
