and debris. Mast cells – Cells filled with basophilic granules found in numbers in connective tissue and releases histamine and other substances during inflammatory and allergic reactions. Mesentery – A thin double walled epithelial membrane that support alimentary canal and other organs in the abdominal cavity. Phylogeny – Relationships among various biological species based upon similarities and differences in their physical or genetic characteristics.
Piezoelectric Effect – It is the ability of certain materials to generate an electric charge in response to applied mechanical stress. Pneumothorax – presence of air in the pleural cavity which causes collapsing of lungs. Poikilotherms – Cold blooded organisms/ Body temperature fluctuates according to environmental temperature Properioception – The ability to sense stimuli arising within the body regarding position, motion and equilibrium. Sclerites – Sclerite is hard armor like structure for arthopods (even cockroaches) soft body.
Sclerites are really deposition of Calcium or cross linking of protein to make the exoskeleton stronger. Septum pellucidum – Located in the midline of the brain, between the two cerebral hemispheres. It separates the lateral ventricles I and II. Setae – They are small, S- Shaped chitinous structures present in the pits of the body wall of earthworms.
They aid in locomotion. Some setae are modified into Penial setae in the male genital opening and these help in copulation. Shared character – A shared character is one that two lineages have in common Spawning - Process of shedding of mass eggs or sperms in water. Sphincter of boydon – Sphincter which guard opening of the bile duct before it joins with the pancreatic duct Sphincter of oddi – Sphincter which guard the opening of the ampulla of vater into the duodenum Taeniae coli – Longitudinal muscular chords in the colon Typhlosole – A median dorsal internal fold in the intestine of several types of animals, including the earthworm, Valves of kerkring or plicae circulares – Circular folds in the lumen of ileum Vasa recta – (straight vessels) The peritubular capillaries of the juxtaglomerular nephrons forms vascular loops which run in close association with the loops of Henle.