. Advances in marine biology: volume 17. Coral fisheries. ECOLOGY AND TAXONOMY OF HciUmeda I Enlarged in next figure CORTEX r PRIMARY 1- 3 series of utricles { SECONDARY 2- (_ TERTIARY 3 s flown MEDULLA with medullary filaments INTERFILAMENTAL SPACES exterior to utricles(filaments) where calcification begins —. NODE where next segment will grow Fig. 6. Longitudinal sections through part of a segment (incrassata) showing its basic filamentous construction. Note absence of cross walls throughout, which makes this plant a coenoeyte. In the right-hand diagram the medullary filaments at the ajDex o
. Advances in marine biology: volume 17. Coral fisheries. ECOLOGY AND TAXONOMY OF HciUmeda I Enlarged in next figure CORTEX r PRIMARY 1- 3 series of utricles { SECONDARY 2- (_ TERTIARY 3 s flown MEDULLA with medullary filaments INTERFILAMENTAL SPACES exterior to utricles(filaments) where calcification begins —. NODE where next segment will grow Fig. 6. Longitudinal sections through part of a segment (incrassata) showing its basic filamentous construction. Note absence of cross walls throughout, which makes this plant a coenoeyte. In the right-hand diagram the medullary filaments at the ajDex of the segment (right) have started to grow and branch to form a new segment. Such filaments show a distinct gradient in kinds and quantities of organelles. (Redrawn by D. Dennis, The Ohio State University, from Hillis (1959).) SEAWATER Primary Utricle. 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 Hillis-Colinvaux, Liewellya. London : Academic Press ; Toronto
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