In any vertebrate, the occiput is the posterior part of this
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Occipital bone - Wikipedia  The occipital bone is a cranial dermal bone, and is the main bone of the occiput It is trapezoidal ... On either side of the foramen are the lateral parts of occipital bone, (exoccipitals). ... condyles, and anterior part of the basilar part; in the inferior cerebellar fossae it is thin, semitransparent, and without .... The Vertebrate Body.
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Skeletal System - Biology  The skeletons of different species of vertebrates share many similarities. Since the rat ... the anterior portion of the skull and the lateral wall of the eye ... This bone has the occipital condyles and foramen magnum on its caudal surface. Palatine.
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Palaeos Vertebrates: Bones: Braincase: Occiput  The triangular configuration of the three dorsal elements is fairly typical and also ... is performing its structural duties dorsally, and there is no direct ventral support. ... In lower vertebrates, the occiput (or its functional equivalent) is organized ... In teleosts, the supraoccipital is not clearly part of the occiput at all, but tends to...
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Atlas (anatomy) - Wikipedia  In anatomy, the atlas (C1) is the most superior (first) cervical vertebra of the spine. It is named ... The atlanto-occipital joint allows the head to nod up and down on the ... The diminutive size of this process prevents any interference with the ... The posterior part of the arch presents above and behind a rounded edge for the...
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Comparative Vertebrate Anatomy - Lecture Notes 3  Other bony vertebrates - embryonic cartilaginous neurocranium is largely ... Mammals - all 4 occipital elements typically fuse to form a single occipital bone ... anterior to sphenoid; cribiform plate of ethmoid & several conchae (or ... gill slits in holocephalans & bony fishes; Tetrapods - no vestiges of opercular bones remain...
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Brain maps, great and small: lessons from comparative studies of ...  Apr 29, 2005 ... Simian primates belong to two superfamilies, Platyrrhini (or New .... the hypothetical common ancestors, would necessarily have ocular dominance columns as adults. .... While some cortical areas change approximately in proportion to ... narrow bridge of cortex between the rostral limit of area V4 and area...
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anatomy & physiology.pdf at Milwaukee Area Technical College ...  Jul 6, 2014 ... 195 Chapter 6: Bone Tissue and the Skeletal System . ... 294 8.2 Bones of the Upper Limb . ...... In multicellular organisms, including humans, all cells, tissues, organs ..... an organ into an anterior (front) portion and a posterior (rear) portion. ...... 35. Explain in your own words why DNA replication is said to be...
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7.2 The Skull | Anatomy and Physiology - BC Open Textbooks  The orbit is the bony socket that houses the eyeball and muscles that move the ..... This suture is named for its upside-down V shape, which resembles the .... Each orbit is cone-shaped, with a narrow posterior region that widens toward the...
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Nervous system - Wikipedia  The nervous system is the part of an animal's body that coordinates its actions and transmits signals to and from different parts of its body. Nervous tissue first arose in wormlike organisms about 550 to 600 million years ago. In vertebrate species it consists of two main parts, the central nervous system .... The (CNS) is the major division, and consists of the brain and the spinal cord...
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Cerebellum - Wikipedia  The cerebellum (Latin for "little brain") is a region of the brain that plays an important role in .... A narrow strip of protruding tissue along the midline is called the cerebellar vermis. (Vermis is Latin for ... The lateral zone, which in humans is by far the largest part, constitutes the cerebrocerebellum, also known as neocerebellum.
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6 Major Parts of the Brain and How they Work | How the Brain ...  Nov 28, 2011 ... 6 Major Parts of the Brain and What They Do I always like to say that teachers ... memory is located here, it is the area where focus occurs (Geday & Gjedde, ... This strip controls body movement and, as we will learn later, works with the ... Its placement between the cerebrum and the brain stem permits the...
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tetrapods  The Cambrian Mammal  Pierce et al. also argue that other known proto-tetrapods were unlikely to be the ... And sometimes, when the fins push off, you can see part of the body come clear .... Birds have some of the most extremely modified forelimbs among tetrapods. ... The first digit of the hand of a bird does, indeed, form in an area that bears the...
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Brain Anatomy | White Matter, Cerebellum, Cerebral Cortex, Medulla  The brain stem, the most primitive part of the brain, is made up of the ... It houses the nerve center that controls sensory, motor activities and intelligence. ... The visual cortex is in the lower back part of the brain and is where ... and survival such as breathing, heartbeat, and blood pressure.
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Vertebral column - Wikipedia  The vertebral column, also known as the backbone or spine, is part of the axial skeleton. ... There are about 50,000 species of animals that have a vertebral column. ... These regions are called the cervical spine, thoracic spine, lumbar spine, .... of the occipital bone of the skull and the next 33 somites will form the vertebrae,...
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BIOLOGY 453 - COMPARATIVE VERT. ANATOMY WEEK 2 ...  Identify these types of dermal scales: placoid, ganoid & elasmoid (which includes ... fish scales (includes shark, ganoid, cycloid & ctenoid) ... shark skin, teleost (bony fish) skin, frog skin cross-sections, & frog skin .... Major Layers or Divisions of Epidermis: ... Large ones are found in the turtle's & the armadillo's bony shells.
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four-toed salamander - Faculty List  This is because it comes from the grooves on the side of the body which ... is that the have a rod that is almost the length of the body called the spinal cord. ... This refers to a class of vertebrate animals that spend part of their time on ... This word is derived from the Greek word amphibios, which means "living a double life".
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Proboscis - Wikipedia  A proboscis /probss/ is an elongated appendage from the head of an animal, either a vertebrate or an invertebrate. In invertebrates, the term usually refers to tubular mouthparts used for feeding and sucking. In vertebrates, the term is used to describe an elongated nose or snout. ... First attested in English in 1609 from Latin proboscis, the latinisation of the...
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Oviduct - Wikipedia  In vertebrates, other than mammals, the passageway from the ovaries to the outside of the body ... Instead, the most anterior portion ends in a funnel-shaped structure called the infundibulum, which collects eggs as they are released by ... The most primitive ray-finned fishes retain the simple structure also found in lungfishes,...
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Anatomy of the Brain | Johns Hopkins Medicine Health Library  The brain is an important organ that controls thought, memory, emotion, touch, ... vision, hearing, judgment, reasoning, problem solving, emotions, and learning. ... The largest section of the brain located in the front of the head, the frontal lobe is ... The occipital lobe is the back part of the brain that is involved with vision.
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Free Flashcards about BIOLOGY - StudyStack  THE POLLEX, THE FIRST DIGIT ON THE FORELIMBS OF TETRAPODS, IS KNOWN AS THIS BODY PART ON YOU, THUMB. BIRDS, REPTILES, AND SOME...
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Cerebrum - Wikipedia  The cerebrum is a large part of the brain containing the cerebral cortex as well as several ... The cerebrum is the largest part of the brain. Depending upon the position of the animal it lies either in front or on top of the brainstem. In humans, the cerebrum...