MEVLJ:KLJMDLMJ:DJH<?GHKGHCKBKL?FU PHORONOPSIS HARMERI =E:<GU?KHKM>U 2.
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;BHEH=BYFHJYlhfk120–130 M>D AHHEH=BY MEVLJ:KLJMDLMJ:DJH<?GHKGHCKBKL?FU NHJHGB>UPHORONOPSIS HARMERI PIXELL, 1912. 2.=E:<GU?KHKM>U1 ]?GL_f_j_\Z1<<FZeZoh\2 1 Bgklblml[bheh]bbfhjy><HJ:G<eZ^b\hklhd 2 ;bheh]bq_kdbcnZdmevl_lF=MFhkd\Z e-mail: [email protected] KlZlvyijbgylZdi_qZlb] HibkZghlhgdh_kljh_gb_kl_gdb]eZ\guodjh\_ghkguokhkm^h\nhjhgb^uPhoronopsis harmeriKl_gdbehnhnhjZevguobe_\h]heZl_jZevgh]hkhkm^h\khklhylbawibl_ebZevghfur_qguode_lhdp_ehfbq_kdhc\uklbedb kehy \g_de_lhqgh]h fZljbdkZ b g_iheghc wg^hl_ebZevghc \uklbedb Kl_gdZ f_^bZevgh]h khkm^Z ]heh\gh]h mqZkldZl_eZkhklhblbawibl_ebZevghfur_qguode_lhdp_ehfbq_kdhc\uklbedbkehy\g_de_lhqgh]hfZljbdkZ bgZklhys_]hfur_qgh]hwg^hl_eby=heh\ghcmqZklhdf_^bZevgh]hkhkm^Z\uihegy_lnmgdpbxk_j^pZKl_gdZ f_^bZevgh]hkhkm^Z\i_j_^g_flmeh\bsghfmqZkld_l_eZkhklhblbaiylbkeh_\gZjm`gh]hg_fur_qgh]hp_ehl_eby \g_de_lhqgh]h fZljbdkZ \gmlj_gg_]h fur_qgh]h p_ehl_eby \gmlj_gg_]h \g_de_lhqgh]h fZljbdkZ b g_iheghcwg^hl_ebZevghc\uklbedbKeh`gh_kljh_gb_kl_gdbf_^bZevgh]hkhkm^Zfh`ghh[tykgblvgZeh`_gb_f gZh[uqgmxkhkm^bklmxkl_gdmeZl_jZevgh]hf_a_gl_jby Dexq_\u_keh\Znhjhgb^umevljZkljmdlmjZdjh\_ghkgZykbkl_fZf_lZfhjnha Ultrastructure of the blood system of the phoronid Phoronopsis harmeri Pixell, 1912. 2. The main vessels. E. N. Temereva1, V. V. Malakhov2 (1Institute of Marine Biology, Far East Branch, Russian Academy of Sciences, Vladivostok 690041; 2Biological Department, Moscow State University, Moscow 119899) Ultrastructure of the wall of the main blood vessels of the phoronid Phoronopsis harmeri is described. The walls of the lophophoral and left lateral vessels consist of myoepithelial cells of the coelomic lining (peritoneal cells), a thin basal lamina, and incomplete endothelial lining. In the head region of the body, the wall of the medial vessel consists of myoepithelial cells of the coelomic lining (peritoneal cells), a basal lamina, and true muscular endothelial cells. The anterior part of the medial vessel functions as the heart. In the anterior part of the body, the medial vessel wall consists of five layers: external nonmuscular coelothelium, a layer of extracellular matrix, internal muscular coelothelium, an internal layer of extracellular matrix, and incomplete endothelial lining. The complicated structure of the medial vessel wall may be explained by the superimposition of the lateral mesentery on the ordinary vessel wall. (Biologiya Morya, Vladivostok, 2004, vol. 30, no. 2, pp. 120–130). Key words: phoronids, ultrastructure, blood system, metamorphosis. ef±eZl_jZevgucf_a_gl_jbcek±eZl_jZevguckhkm^ ^ek ± ^hjkheZl_jZevguc khkm^ f ± fblhohg^jby fk – f_^bZevguc khkm^ fn ± fbhnbeZf_glu g\ ± g_j\gu_ \hehdgZ hdp ± hjZevgZy dZf_jZ p_ehfZ hi ± hljhklhd ih^hpblZ hwd ± hljhkldb wibl_ebZevguo de_lhd i\ – iehlgh_\_s_kl\hf_`^mde_ldZfbik±ijhk\_lkhkm^Z ikZ ± ijhk\_l Znn_j_glgh]h ehnhnhjZevgh]h khkm^Z ikw ± ijhk\_l wnn_j_glgh]h ehnhnhjZevgh]h khkm^Z in ± ijh^hevgu_ fbhnbeZf_glu kf ± kZjdhf_j kk – kl_gdZ khkm^Z li ± l_eh ih^hpblZ p ± smiZevp_\uc p_ehfp±lmeh\bsgucp_ehfw\f±wibl_ebc\hjhgdb f_lZg_njb^by wd ± wg^hl_ebZevgZy de_ldZ wj – wjbljhpbly±y^jhy^ ±y^jurdh < ij_^u^ms_c im[ebdZpbb L_f_j_\Z FZeZoh\ jZkkfhlj_gh lhgdh_ kljh_gb_ dZibeeyjh\ djh\_ghkghc kbkl_fu Phoronopsis harmeri. 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S. 275–318. ;BHEH=BY FHJY LHF 30 2 2004
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