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..
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..
Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..
Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population l..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
One of Mendel’s law of inheritance is the “law of dominance”. Read this tutorial to know more about this form of i..
The evolution of the species of the genus "Homo" led to the emergence of modern humans. Find out more about human evolut..
