Organisms

Sirenia

An order of heavy-bodied, slow-moving, completely aquatic, herbivorous mammals. The body is fusiform, plump, and hairless, except for bristles on the snout. Hindlimbs are absent, the forelimbs are modified to flippers, and the tail is a horizontal fluke. (From Scott, Concise Encyclopedia Biology, 1996)

National Library of MedicineMedical Subject Headings2026

Structured Summary

Abstract

An order of heavy-bodied, slow-moving, completely aquatic, herbivorous mammals. The body is fusiform, plump, and hairless, except for bristles on the snout. Hindlimbs are absent, the forelimbs are modified to flippers, and the tail is a horizontal fluke. (From Scott, Concise Encyclopedia Biology, 1996)

MeSH Record

Classification

Broader headings

Narrower headings

Related Concepts

Knowledge Graph

Loading graph…

Drag nodes to rearrange; hover to trace links; click a node to open its page.

MeSH Record

Aspects Covered

18 allowable subheadings

Indexed with the subheadings abnormalities, anatomy & histology, blood, cerebrospinal fluid, classification, embryology, genetics, growth & development, immunology, injuries, metabolism, microbiology, parasitology, physiology, psychology, surgery, urine, virology.

MeSH Record

History Note

1999; 1963-1997; use MAMMALS 1998; use SIRENIA 1963-1967

MeSH Record

Previous Indexing

  • Mammals (1966-1998)

MeSH Hierarchy

Tree Number

AMA Style

References

  1. National Library of Medicine. Sirenia. Medical Subject Headings (MeSH). 2026. Unique ID D020453. http://id.nlm.nih.gov/mesh/2026/D020453
  2. Sirenia. In: Wikipedia. https://en.wikipedia.org/wiki/Sirenia
  3. Sirenia. In: Wikidata. https://www.wikidata.org/wiki/Q25431