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Echinococcus granulosus: changes in the surface ultrastructure during protoscolex formation.
Parasitology 1987; 94 (Pt 2):359-67P

Abstract

Changes in the tegumentary projections of protoscoleces of Echinococcus granulosus, developing within brood capsules, were examined at the ultrastructural level. The original scant covering of spineless, truncated microtriches was supplemented by a population of microvilli covering the entire surface of protoscoleces in the early stages of formation. As differentiation continued, rostellar hooks were formed by enlargement of single large (T1) microtriches, and normal spined microtriches were produced on the sucker region. These were formed in two ways: by addition of spine material to the truncated microtriches, and de novo followed by up-lifting from the tegumentary surface. A second type of large microthrix (T2) was present in a band immediately below the developing hooks. These microtriches appeared to be formed from a fusion of existing microtriches, but were subsequently lost prior to scolex invagination. The microvilli were also shed from both the sucker and soma regions, to be replaced by microtriches and small blunt elevations respectively.

Authors

No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

3588015

Citation

Rogan, M T., and K S. Richards. "Echinococcus Granulosus: Changes in the Surface Ultrastructure During Protoscolex Formation." Parasitology, vol. 94 (Pt 2), 1987, pp. 359-67.
Rogan MT, Richards KS. Echinococcus granulosus: changes in the surface ultrastructure during protoscolex formation. Parasitology. 1987;94 (Pt 2):359-67.
Rogan, M. T., & Richards, K. S. (1987). Echinococcus granulosus: changes in the surface ultrastructure during protoscolex formation. Parasitology, 94 (Pt 2), pp. 359-67.
Rogan MT, Richards KS. Echinococcus Granulosus: Changes in the Surface Ultrastructure During Protoscolex Formation. Parasitology. 1987;94 (Pt 2):359-67. PubMed PMID: 3588015.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Echinococcus granulosus: changes in the surface ultrastructure during protoscolex formation. AU - Rogan,M T, AU - Richards,K S, PY - 1987/4/1/pubmed PY - 1987/4/1/medline PY - 1987/4/1/entrez SP - 359 EP - 67 JF - Parasitology JO - Parasitology VL - 94 (Pt 2) N2 - Changes in the tegumentary projections of protoscoleces of Echinococcus granulosus, developing within brood capsules, were examined at the ultrastructural level. The original scant covering of spineless, truncated microtriches was supplemented by a population of microvilli covering the entire surface of protoscoleces in the early stages of formation. As differentiation continued, rostellar hooks were formed by enlargement of single large (T1) microtriches, and normal spined microtriches were produced on the sucker region. These were formed in two ways: by addition of spine material to the truncated microtriches, and de novo followed by up-lifting from the tegumentary surface. A second type of large microthrix (T2) was present in a band immediately below the developing hooks. These microtriches appeared to be formed from a fusion of existing microtriches, but were subsequently lost prior to scolex invagination. The microvilli were also shed from both the sucker and soma regions, to be replaced by microtriches and small blunt elevations respectively. SN - 0031-1820 UR - https://www.unboundmedicine.com/medline/citation/3588015/Echinococcus_granulosus:_changes_in_the_surface_ultrastructure_during_protoscolex_formation_ DB - PRIME DP - Unbound Medicine ER -