Leptocardia
(Science: zoology) The lowest class of vertebrata, including only the Amphioxus. The heart is represented only by a simple pulsating vessel. The blood is colourless; the brain, renal organs, and limbs are wanting, and the backbone is represented only by a simple, unsegmented notochord. See Amphioxus.
alternative forms: Leptocardii.
Origin: NL, fr. Gr. Small – the heart.
Leptocardia (Science: zoology) The lowest class of vertebrata, including only the Amphioxus. The heart is represented only by a simple pulsating vessel. The blood is colourless; the brain, renal organs, and limbs are wanting, and the backbone is represented only by a simple, unsegmented notochord. See Amphioxus. alternative forms: Leptocardii. Origin: NL, fr. Gr. Small..
Human consciousness and behavior are an interesting topic since they are determined and controlled by the brain. Conscio..
Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population l..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
The arthropods were assumed to be the first taxon of species to possess jointed limbs and exoskeleton, exhibit more adva..
Developmental biology is a biological science that is primarily concerned with how a living thing grows and attains matu..
Osmoregulation is the regulation of water concentrations in the bloodstream, effectively controlling the amount of water..
