Cusack's Glossary of Biological Terms

Cusack's Glossary of Biological Terms

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1903 edition. Excerpt: ...Duct-duco, I lead). A tube which conveys a secretion " 'or'an' excretion 'away from a gland. See Fig. 31. Duodenum (L. duodeni, twelve). The first-portion. (about 12 inches in length), of the small intestine. See Du re' mater (L. durus, hard; mater, mother). The tough, fibrous outer coat of the brain and spinal cord. See Fig. 9. Ear. The sense organ, specially modified for the reception of sound waves, comprising the pinna or concha, the auditory canal and tympanic membrane or drum--the. external ear: the tympanum with a chain of three.small bones--malleus, incus and stapes--the middle ear: vestibule, semi-circular canals and cochlea--internal ear. ' Fig. 35, also see Fig. 93. 1, semicircular canals; 2, cochlea; 3, middle ear; 4, tympanic membrane; 5, auditory canal (external ear); 6, pinna (external ear); 7, eustachian tube; 8, vestibule; 9, auditory nerve; 10, auditory ossicles. Earthy matter of bone. One of the chief constituents of bone, which is mineral in character. Echinodermata (Gr. echinos, hedge--hog; derma, skin). An important division of the Invertebrata, so called because the representative member (Echinus), has a spiny exterior.--Efferent nerve. See Nssvrs. fE'lement.'-A chemical substance which cannot be split up into two or more diiferent substances, either by chemica physical or other means; e.g., Iron. Elastic tissue. A form of connective tissue, fibrillar in structure, found where flexibility is required; e.g., in the walls of the blood-vessels. See Fig. 11. Embryo (Gr. en, in; bruo, I swell). The earliest stages in which an animal or plant can be seen in the ovary. Emulsification. The process by means of which the fat globules are separated during digestion; their nitrogenous cell-walls being...
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Product details

  • Paperback | 34 pages
  • 189 x 246 x 2mm | 82g
  • United States
  • English
  • black & white illustrations
  • 1236943732
  • 9781236943736