IMG_0200 - GLOSSARY The dorsal surface ofa bodY region the hand or foot surface bearing the nails See trisomy-21 epitheliumJined tubular passageway

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GLOSSARY G-29 epitheliumJined, tubular passageway, such nicircular duct or a gland duct. The dorsal surface ofa bodY region, the hand or foot surface bearing the nails. See trisomy-21. n (DEW-oh-DEE-num'dew-ODD'eh- The first portion ofthe small intestine for about 25 cm from the PYloric e stomach to a sharP bend called the nal flexurei receives chYme from and secretions from the liver and An extension of the dura mater vertebral canal, loosely enclosing the cord. The thickest and most superficial ofthe around the brain and sPinal cord, E--een) A motor protein involved in the of cilia and flagella and in the movement cules and organelles within cells. Labored breathing. The outermost of the three primary germ an embryo; gives rise to the nervous r and epidermis. (ec-TOP-ic) In an abnormal location; ectopic pregnancY and ectoPic ofthe heart. Accumulation of excess tissue fluid, in sweliing of a tissue. .{ molecule, cell, or organ that caffies out a to a stimulus, (EFF-ur-ent) Carrying away or out, such vessel that carries blood away from a or a nerve fiber that conducts signals away the.central nervous system. neuron Seemotorneuron. A form ofcartilage with an ofelastic fibers in its matri:q lending and resilience to the cartilage; found in embryonic disc A flat plate of cells in eariy embryonic developmint, composed of initially two and then three cell laYers. embryonic stage The stage of prenatal develoPment from day 16 through the end ofweek 8 ' See also embryo; fetai stage. embrvonic stem cell An undiJferentiated cell from a pieembryo ofup to 150 cells, caPable ofdeveloping into any type ofembryonic or adult cell, encapsulated nerve ending Any sensory nerve . ending that is surrounded by or associated with specia-lized connective tissues, which enhance iti sensitivity or its mode of responding to stimulation. endocardium A tissue layer that lines the inside of the heart, composed of a simple squamous epithelium overlying a thin layer ofareolar tissue' endochondral oseification A process ofbone development in which the bone is preceded by a model ofhyaline cartilage-in roughly the shape ofthe bone to come, and the cartilage
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This note was uploaded on 02/09/2012 for the course BIO 102 taught by Professor William during the Spring '11 term at Harvard.

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