condition characterised by lower blood pH, due to the increase of keto acids (ketosis) Acinus – Cells arranged into a circular secretory unit Adenosine triphosphate (ATP) – A nucleotide molecule consisting of adenine, ribose and three phosphate molecules. It plays a central role in energy exchange in biological systems. Adipocyte – Large cell (up to microns) with only a thin film of cytoplasm due to the presence of a large fat droplet. Adipose tissue – A group of adipocytes.
Alternation of generation – Alternation of haploid sexual and diploid asexual generation in the life cycle of an animal. Ampulla of vater – Common duct called hepato-pancreatic duct Ampulla – The widened opening for each of the semicircular canals, containing sensory innervations. Apnoea – Temporary stopping of respiration. Berger’s waves – are neural oscillations in the frequency range of .
– . Hz arising from synchronous and coherent (in phase or constructive) electrical activity of thalamic pacemaker cells in humans. Bicuspid valve – also called mitral valve. Left Auricular ventricular valve with two flaps that is present between the left auricle and left ventricle.
Biological indicator – refers to organisms, species or community whose characteristics show the presence of specific environmental conditions. Bipedal – Walk or stand on two feet. Blood pressure – (BP) is the pressure exerted by the circulating blood against the walls of blood vessels. Book gills – Respiratory organs in aquatic Limulus.
Book lungs – Respiratory organs of Scorpions and most spiders. Brood – a family of birds produced at one hatching or birth. Catecholamines – Naturally occurring amines that function as neurotransmitters. They are characterised by catechol group in which an amine group is attached.
Example .Epinephrine Cocoon – It is a bag like structure secreted by the clitellum. Eggs and sperms are deposited into it. Fertilization and development occurs within the cocoon. Collagen – A triple helix protein which allows for great tensile strength.
Dioecious – Animals in which male and female reproductive organs occur in separate individuals. Drilosphere – is the part of the soil influenced by earthworm secretions, burrowing and castings. Dyspnoea – painful