Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to speculum: Pelvic exam


an instrument for opening or distending a body orifice or cavity to permit visual inspection.
Speculums: A, nasal; B, rectal; C, ear (for otoscope); D, vaginal.
See illustration.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.


, pl.


(spek'yū-lŭm, -lă), The correct plural of this word is specula, not speculae or speculi.
An instrument for exposing the opening of any canal or cavity to facilitate inspection of its interior.
[L. a mirror, fr. specio, to look at]
Farlex Partner Medical Dictionary © Farlex 2012


n. pl. specu·la (-lə) or specu·lums
1. A mirror or polished metal plate used as a reflector in optical instruments.
2. An instrument for dilating the opening of a body cavity for medical examination.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.


An instrument used by gynaecologists to open the vagina so as to facilitate visualisation of the uterine cervix.
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.


 Surgery An instrument used to widen a body opening or surgical field to ↑ visibility
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.


, pl. specula (spek'yŭ-lŭm, -lă)
An instrument for enlarging the opening of any canal or cavity to facilitate inspection of its interior.
[L. a mirror, fr. specio, to look at]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012


(spek'yu-lum) (-la) plural.specula [L. speculum, a mirror]
Enlarge picture
1. An instrument for examination of canals or hollow organs. See: illustration
2. The membrane separating the anterior cornua of lateral ventricles of the brain. Synonym: septum pellucidum

bivalve speculum

A speculum with two opposed blades that can be separated or closed.
See: vaginal speculum

duck-bill speculum

A bivalve speculum with wide blades, used to inspect the vagina and cervix.

ear speculum

A short, funnel-shaped tube, tubular or bivalve (the former being preferable), used to examine the external auditory canal and eardrum.

eye speculum

A device for separating the eyelids. Plated steel wire, plain, Luer's, Von Graefe's, and Steven's are the most common types.

Pedersen speculum

A small vaginal speculum for examining prepubertal patients or others with small vaginal orifices.
Enlarge picture

vaginal speculum

A speculum, usually with two opposing portions that, after being inserted, can be pushed apart for examining the vagina and cervix. It should be warmed before use.
See: illustration
Medical Dictionary, © 2009 Farlex and Partners


An instrument of varying design used to hold open or widen a body orifice such as the ear canal, a nostril, the eyelids, the anus or the vagina so as to allow examination.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005


  1. the coloured wing bar, particularly in ducks.
  2. an OCELLUS.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005


A speculum is an instrument that is used during the internal genitalia examination. It can be made of plastic or metal and is used to open up the vaginal cavity in order for the examiner to view the walls of the vagina and the cervix.
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.


, pl. specula (spek'yŭ-lŭm, -lă) The correct plural of this word is specula, not speculae or speculi.
Instrument for exposing opening of any canal or cavity to facilitate inspection of its interior.
[L. a mirror, fr. specio, to look at]
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
"Our design also enables manipulation of the cervix for cervical imaging of women with tilted uteri, a condition that affects about 20% of women and is difficult and painful when using the standard speculum for manipulation."
Scholars have already proposed a number of authorial candidates for the Speculum, and Bent treats them even-handedly in Chapter 3, beginning with a brilliantly concise overview of currently held beliefs and raising doubts that Jacobus was even in holy orders.
enterprise of the Middle Ages, the Speculum maius, he had access to a
The format of the Beinecke Speculum vitae fragments thus gives no secure evidence for the provenance of the lost codex.
Table-2: Comparison of Baseline IOP with Barraquer and Universal Speculum IOP.
To verify the premature rupture of membranes in both groups, the speculum, fern, and nitrazine tests were done.
| 8 Where would you find a bird's speculum feathers?
Once he or she becomes comfortable with the mechanics of tube insertion, a speculum can be placed over the tape with the free hand to mimic the anatomy of the ear canal.
A Kuwaiti surgeon conducted a successful rare gastric sleeve surgery using surgical speculum to a patient weighing about 300 kilograms.General surgery and surgical speculum consultant at Al-Amriri Hospital Dr.
Miller and wagner (1955) presented an improved method to determine sex of mature Columbiformes by cloacal characteristics with the use of a modified nasal speculum. They examined >300 doves of various species and correctly identified sex of ca.
On the lamp's surface "appears a very slender woman, possibly affected by a serious illness, like cancer, and a doctor who is performing a gynecological exam with a vaginal speculum," Morillo said.
This fully functioning recreation of Sir Isaac Newton's reflecting telescope features a 70-mm f/4 primary mirror (made of glass rather than the speculum metal that Newton used), and a tube wrapped in waxed parchment paper.