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LEADER 03411ctm 2200505 i 4500

001 ocm06991248;

003 OCoLC;

005 20251021154320.0;

008 801202s1972 xx af bm 000 0 eng d;

035 a| (Sirsi) o06991248;

035 a| (OCoLC)6991248;

049 a| EREE;

050 4 a| QK621.A1b| V3x;

100 1 a| Van Amerson, Henry,e| author.?| UNAUTHORIZED;

245 14 a| The structure and development of Lagenidium callinectes couch /c| by Henry Van Amerson.;

264 0 c| 1972.;

300 a| 87 leaves, 24 leaves of plates :b| illustrations ;c| 28 cm;

336 a| textb| txt2| rdacontent;

337 a| unmediatedb| n2| rdamedia;

338 a| volumeb| nc2| rdacarrier;

502 b| M.A.c| East Carolina Universityd| 1972;

500 a| Presented to the faculty of the Department of Biology.;

500 a| Advisor: Charles E. Bland;

520 3 a| Co-ordinated light and electron microscope observations were made, tentatively establishing the life cycle of Lagenidium callinectes. Each stage of this life cycle was studied in detail. The zoospores are typical for an oomycete, oval and biflagellate. Spore oomycete involves flagellar retraction or detachment and the formation of a cyst wall from fibrous and wall vesicles. Structures resembling polysynaptonemal complexes are present in the nucleus of encysting spores and are indicative of meiosis at this stage. Germination of the encysted spores is generally monopolar with the cytoplasm moving into the germ tube leaving the cyst empty. Wall formation in the germ tube and hyphae is accomplished by small wall vesicles. Spore development in L. callinectes occurs in a gelatinous cleavage vesicle formed at the tip of an unbranched hypha. Cytoplasm discharges from this hypha into the vesicle where a process of vacuolar fusion results in the cleavage of the sporogenic cytoplasm into zoospores. The spores are released when the vesicle ruptures.;

504 a| Includes bibliographical references (leaves 84-87).;

650 0 a| Fungi.=| ^A9700;

650 2 a| Fungi.0| (DNLM)D005658=| ^A920450;

655 2 a| Academic Dissertation.0| (DNLM)D019478?| UNAUTHORIZED;

650 7 a| Fungi.2| fast0| (OCoLC)fst00936289;

655 7 a| Academic theses.2| fast0| (OCoLC)fst01726453;

655 7 a| Academic theses.2| lcgft;

655 7 a| Thèses et écrits académiques.2| rvmgf0| (CaQQLa)RVMGF-000001173;

700 1 a| Bland, Charles E.,e| degree supervisor.1| https://id.oclc.org/worldcat/entity/E39PCjwJWxwQpwjP4dgKWd9Rrq=| ^A227661;

710 2 a| East Carolina University.b| Department of Biology.=| ^A637467;

856 41 z| Access via ScholarShipu| http://hdl.handle.net/10342/11541;

949 a| Click on web addressw| asish| joyner101;

949 a| Click on web addressw| asish| hsl111;

994 a| C0b| ERE;

590 a| Joyner-"Presented to the faculty of the Department of Biology ... in partial fulfillment of the requirements for the degree Master of Arts in Biology.";

596 a| 1 4;

998 a| 179264;

999 a| ASK AT SPECIAL COLLECTIONS DESKw| ASISc| 1i| 248980d| 7/17/2000l| JSCJTHDm| JOYNERr| Ys| Yt| JSCJTHDu| 7/17/2000x| ETDz| JSPECCOLLo| .STAFF. 0;

999 a| CLICK ON WEB ADDRESSw| ASISc| 1i| 179264-3001l| JNETm| JOYNERr| Ys| Yt| JNE3ETDu| 7/25/2025x| ETDz| JERESOURCE;

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The structure and development of Lagenidium callinectes couch / by Henry Van Amerson.

Author/creator	Van Amerson, Henry author.
Other author	Bland, Charles E., degree supervisor.
Other author	East Carolina University. Department of Biology.
Format	Theses and dissertations
Production	1972.
Description	87 leaves, 24 leaves of plates : illustrations ; 28 cm
Supplemental Content	Access via ScholarShip
Subjects	Fungi. Fungi.

Summary	Co-ordinated light and electron microscope observations were made, tentatively establishing the life cycle of Lagenidium callinectes. Each stage of this life cycle was studied in detail. The zoospores are typical for an oomycete, oval and biflagellate. Spore oomycete involves flagellar retraction or detachment and the formation of a cyst wall from fibrous and wall vesicles. Structures resembling polysynaptonemal complexes are present in the nucleus of encysting spores and are indicative of meiosis at this stage. Germination of the encysted spores is generally monopolar with the cytoplasm moving into the germ tube leaving the cyst empty. Wall formation in the germ tube and hyphae is accomplished by small wall vesicles. Spore development in L. callinectes occurs in a gelatinous cleavage vesicle formed at the tip of an unbranched hypha. Cytoplasm discharges from this hypha into the vesicle where a process of vacuolar fusion results in the cleavage of the sporogenic cytoplasm into zoospores. The spores are released when the vesicle ruptures.
Local note	Joyner-"Presented to the faculty of the Department of Biology ... in partial fulfillment of the requirements for the degree Master of Arts in Biology."
General note	Presented to the faculty of the Department of Biology.
General note	Advisor: Charles E. Bland
Dissertation note	M.A. East Carolina University 1972
Bibliography note	Includes bibliographical references (leaves 84-87).
Genre/form	Academic theses.
Genre/form	Academic theses.
Genre/form	Thèses et écrits académiques.

The structure and development of Lagenidium callinectes couch / by Henry Van Amerson.

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