Marilyn L. Zimny

Louisiana State University

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Co-Authors

Irving Redler

Louisiana State University

Eugene J Dabezies

Clinical Research Consultants (United States)

Carole S. Wink

Louisiana State University

Michele St. Onge

Louisiana State University

Ann C. Haller

Louisiana State University

Michael Schütte

University of Bonn

Carole C. Romano

University Medical Center New Orleans

C. J. Depaolo

Louisiana State University

Roy Gregory

Louisiana State University

Samuel G. McClugage

Texas Children's Hospital

Cooperative Institutions

Louisiana State University

University Medical Center New Orleans

Louisiana State University Health Sciences Center New Orleans

Medical Research Council

University of Oxford

Harvard University

Association of American Universities

King's College Hospital

University of New Orleans

Tulane University

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Mechanoreceptors in the human anterior cruciate ligament

The Anatomical Record (1986)

Marilyn L. Zimny Michael Schütte Eugene J Dabezies

Abstract This study was undertaken to identify and quantitate mechanoreceptors in the human anterior cruciate ligament (ACL). Ligaments from six human subjects were obtained at autopsy, cut into cross‐sectional segments 1.0–1.5 cm thick, and kept oriented as to the femoral and tibial attachments. The segments were stained in bulk by using a modified gold chloride method, frozen, and sectioned on a sliding microtome at 100 μm. The sections were floated in alcoholic gelatin, mounted on slides, dehydrated, and coverslipped. Serial sections were studied with the light microscope and receptors were photographed. Cross‐sectional maps of every tenth section were made outlining the periphery of the ACL and the receptors within that section. With these maps, a computerized, morphometric analysis of the ACL was done, thus obtaining the percentage of receptors in each section and in each ACL. In addition to free nerve endings, two morphologically distinct mechanoreceptors were identified: (1) Ruffini end organs and (2) Pacinian corpuscles. Preliminary morphometric analyses show that populations of mechanoreceptors are greater at the femoral and tibial ends of the ligament and constitute approximately 2.5% of the ligament. Based on these findings the human ACL has the anatomic basis for a discriminating afferent outflow to the central nervous system.

Mechanoreceptor

Free nerve ending

Microtome

10.1002/ar.1092140216

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Citations (244)

Ultrastructural modifications of the intercalated disc during hypothermia in the rat and the ground squirrel

Cryobiology (1968)

Marilyn L. Zimny Maurice Sherman Carole C. Romano

Ground squirrel

10.1016/s0011-2240(68)80130-0

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Citations (15)

Effects of hibernation on dental tissues: A sem analytical study

Comparative Biochemistry and Physiology Part A Physiology (1978)

Marilyn L. Zimny Ann C. Haller

Hibernation

10.1016/0300-9629(78)90244-x

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Citations (4)

Tinea Versicolor

Archives of Dermatology (1988)

Marilyn L. Zimny

To the Editor.—

Tinea versicolor (TV) is defined as an eruption of tan or brown patches on the skin caused by the fungusMalassezia furfur. A report in the literature that a tyrosine inhibitor was identified in cultures of TV with certain lipid additives stimulated an investigation of hypopigmented and hyperpigmented variants using light microscopic techniques and tissue culture incubation with sterile olive oil as an additive.¹When these studies did not reveal any significant differences between the variants, it was decided to study the samples at the ultrastructural level with transmission electron microscopy.

Subjects and Methods.—

Ten biopsy specimens were obtained for study. Six of these were from the back of one black patient. They were obtained from three control unaffected areas, two hyperpigmented areas, and one hypovariant area. In addition, biopsy specimens of control and hypovariant areas were obtained from a white patient, and biopsy specimens of control and hypervariant areas were obtained from a black patient. All samples were fixed in 2% glutaraldehyde, buffered with cacodylate (pH, 7.4), dehydrated, and embedded in epoxy resin (Epon-Araldite).

Tinea versicolor

Glutaraldehyde

10.1001/archderm.1988.01670040012008

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Citations (2)

Neural Elements in Human Cervical Intervertebral Discs

Spine (1992)

TUVIA MENDEL Carole S. Wink Marilyn L. Zimny

This study attempted to characterize neural elements within the human cervical intervertebral disc. Cervical intervertebral discs were obtained from four adult human subjects at autopsy. Discs were stained in bulk with gold chloride, sectioned, and viewed with the light microscope. Nerve fibers appeared to enter the disc in the posterolateral direction and course both parallel and perpendicular to the bundles of the anulus fibrosus. Nerves were seen throughout the anulus but were most numerous in the middle third of the disc. Receptors resembling Pacinian corpuscles and Golgi tendon organs were seen in the posterolateral region of the upper third of the disc. These results provide further evidence that human cervical intervertebral discs are supplied with both nerve fibers and mechanoreceptors.

Intervertebral Disc

Intervertebral disk

Collagen fibres

10.1097/00007632-199202000-00002

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Citations (102)

Carbohydrate Metabolism During Fasting and Hibernation in the Ground Squirrel

American Journal of Physiology-Legacy Content (1957)

Marilyn L. Zimny Victor Tyrone

Biochemical levels of glycogen, lactate and pyruvate determined in liver, skeletal muscle and cardiac muscle of control, fasting and hibernating groups of ground squirrels were compared. During fasting liver glycogen increased, as compared to the control, apparently as a result of glycolysis in both skeletal and cardiac muscle. The lactate-pyruvate ratio in both types of muscle greatly favored lactate. Therefore, it is possible that the formation of a ‘lactate pool’ by muscle supplies the glycogenetic needs of the liver at this time. In hibernation both liver and cardiac muscle showed increases in glycogen over control values. Possibly, this may subsequently serve as a source of energy for arousal. Lactate and pyruvate during hibernation decreased in all tissues studied due to a low metabolic rate slowing the process of glycolysis. However, the ratio between the two compounds remained within the control range. The data suggest that the mechanism of carbohydrate metabolism during fasting differs from that during hibernation.

Hibernation

Ground squirrel

Carbohydrate Metabolism

Cardiac muscle

10.1152/ajplegacy.1957.189.2.297

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Citations (22)

Enzyme histochemistry and its application in the study of neoplasms. By M. S. Burstone. 1962. 621 pages, 127 figures, 37 tables, 38 charts. $22.50. Academic Press, New York

The Anatomical Record (1964)

Marilyn L. Zimny

10.1002/ar.1091500418

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Citations (0)

ATPase and succinate dehydrogenase in hearts of hypothermic ground squirrels and rats

Cryobiology (1972)

Marilyn L. Zimny Carole C. Romano Richard Haydel

Incubation period

Ground squirrel

10.1016/0011-2240(72)90011-9

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Citations (5)

An Ultrastructural Study of Chondromalacia Fabellae

Clinical Orthopaedics and Related Research (1972)

Marilyn L. Zimny Irving Redler

Departments of Anatomy and Orthopedic Surgery, Louisiana State University Medical Center, New Orleans, Louisiana 70112.

Chondromalacia

10.1097/00003086-197201000-00005

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Citations (9)

Thirteen-Lined Ground Squirrels Born in Captivity

Journal of Mammalogy (1965)

Marilyn L. Zimny

Thirteen-Lined Ground Squirrels Born in Captivity Get access Marilyn L. Zimny Marilyn L. Zimny School of Medicine, Louisiana State University, New Orleans Search for other works by this author on: Oxford Academic Google Scholar Journal of Mammalogy, Volume 46, Issue 3, 26 August 1965, Pages 521–522, https://doi.org/10.2307/1377664 Published: 26 August 1965 Article history Accepted: 07 April 1965 Published: 26 August 1965

Captivity

10.2307/1377664

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Citations (9)