. Human embryology and morphology. Embryology, Human; Morphology. DEVELOPMENT OF THE PHARYNX AND NECK. 31 of mammals; in fishes it disappears and real clefts are formed between the arches. On the outer side of the membrane is the epiblast hypoblast^ A. mandib. arch 1st cleft membrane median lobe thyroid 2nd or hyoid arch -(basis of pharyngeal \ part of tongue ceruical sinus oiglottis';larynx*'ijf//, Fig. 23.—Showing the Floor of the Pharynx of a 4th week human embryo. (After His.) " external cleft depression ": on the inner side, the " internal cleft recess" (Fig. 23). From
. Human embryology and morphology. Embryology, Human; Morphology. DEVELOPMENT OF THE PHARYNX AND NECK. 31 of mammals; in fishes it disappears and real clefts are formed between the arches. On the outer side of the membrane is the epiblast hypoblast^ A. mandib. arch 1st cleft membrane median lobe thyroid 2nd or hyoid arch -(basis of pharyngeal \ part of tongue ceruical sinus oiglottis';larynx*'ijf//, Fig. 23.—Showing the Floor of the Pharynx of a 4th week human embryo. (After His.) " external cleft depression ": on the inner side, the " internal cleft recess" (Fig. 23). From the hypoblastic lining of these cleft recesses we shall see that the tonsil, thyroid and thymus arise ; from 'the external depressions are formed the various branchial hypobk muscle. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Keith, Arthur, Sir, 1866-1955. London : E. Arnold
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectembryol, bookyear1902
