Read the latest research in zoology. Classification of Nephridia 4. ‘After cutting the pleural membrane between the sterna and terga, it was possible to remove the entire genital apparatus with a fine-tipped forceps.’ zoo definition: 1. an area in which animals, especially wild animals, are kept so that people can go and look at…. Zoology is the branch of biology concerned with the study animals and animal kingdom. That part of a pilaster which is between the base and the capital, corresponding to the shaft of a column. The stick is kept in perpendicular position. 1. Imagine the body standing in the following anatomical position: The following terms refer to general positions of the body: Supine means a person is lying on her back. A long flexible snout or trunk, as of an elephant. The neck, arms and legs all extend from the trunk. Significance. The trunk of this tree is five metres thick. Definition of Nephridium 2. ‘The trunk and branches of trees can be used as mulch for gardens, park or animal stalls.’ ‘With age, the trunk of the tree gets thicker while the root base remains stunted inside the concrete pavements.’ ‘Again, if we expose some surface roots at the base of the trunk as … Start studying chapter 15 zoology. In zoology, sessility applies to those animals which are attached to a substrate.Most often these are marine animals, such as mussels, although parasites such as the cochineal insect assume a fixed life cycle upon their plant hosts. News and videos on animal life sciences. brachiocephalic trunk truncus brachiocephalicus . Pedicle Meaning In Urdu. That segment of the body of an insect which is between the head and abdomen, and bears the wings and legs; the thorax; the truncus. Meaning of Metamerism: Metameric segmentation or metamerism is an architectural body plan in some animals in which the similar body segments and … Physiology 5. Here are some examples of the wide range of things a zoologist may need to complete their work: Translation for 'trunk' in the free English-Swedish dictionary and many other Swedish translations. Me and Charlize were stone cold trunkin' . To understand how those anatomical regions relate to one another requires you to learn the terminology. Anatomically, the trunk is a combination of…. Occurrence of Metamerism 3. "large bear cat"). Adaptation, in biology, the process by which a species becomes fitted to its environment; it is the result of natural selection’s acting upon heritable variation over several generations. Various Animals 5. In American English, this part of a car is called the trunk. It is mediated directly by the central nervous system and are used mainly in recognisation of species members, male and female sex attractant, sexual status, aggression inducer and inhibitor, ejection of milk, trail and alarm substances etc. A slang term used amongst Mormon missionaries, describing a missionary who is excited about returning home as "trunky" as he has already packed his trunk. See more. trunk /trʌŋk/ USA pronunciation n. Botany the main stem of a tree. Both are protected by the rib cage and the sternum, or breastbone. Favorite Answer "An old Asian legend says that if you give someone an elephant with an upturned trunk, good luck will come to that person." "Thus we may see, as illustrated in the diagram, that just as a baby is born head first and slowly develops the trunk and limbs, so in the evolution of creation the 'head' creatures in the sea came first, then the 'trunk' creatures like the fishes, insects and reptiles and finally the 'limb' animals in the mammals. Translation for 'trunk' in the free English-Swedish dictionary and many other Swedish translations. It includes both the inquiry into individual animals and their constituent parts, even to the molecular level, and the inquiry into animal populations, entire faunas, and the relationships of animals to each other, to plants, and to the nonliving environment. Trunk definition, the main stem of a tree, as distinct from the branches and roots. Zoology by Miller and Harley , 2.Integrated principles of Zoology by Hickman, 3. Biologically speaking, an organism that is sessile (as opposed to motile) lacks the ability of self-locomotion and is predominantly immobile.. Definition of Nephridium: An excretory tubule which opens to the exterior through the nephridiopore and the inner end of the tubule is blind (associated with terminal […] The site has become a favorite resource of teachers of reading, spelling, and English as a second language. Tools of Zoology Depending on which of these branches you happen to be working in, the tools will vary. from the GNU version of the Collaborative International Dictionary of English. A slender, tubular organ in the head region of an invertebrate, such as certain insects and worms, usually used for sucking or piercing. They are not found in many oceanic islands and Antarctica. Tympanic Membrane: It is the membrane which picks up vibrations through a medium and transports them to the inner part of the ear. Twitter has been in hysterics over a tweet with the name Todger Strunk, but some have been left confused. Primitive chordates had a single rod-like notochord as axial skeleton but in later groups a vertebral column consisting of a series of vertebrae replaced it, increasing flexibility and bending of body possible. Appendage definition, a subordinate part attached to something; an auxiliary part; addition. In general, the meaning of trunk in a dream indicates both of them. 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