A barrier method of contraception that is available by prescription only and must be sized by a health professional to achieve a proper fit. The diaphragm has a dual mechanism to prevent a pregnancy. A dome-shaped rubber disk with a flexible rim covers the cervix so sperm cannot reach the uterus and a spermicide applied within the diaphragm before [..]

The muscle that separates the chest (thoracic) cavity from the abdomen. The diaphragm is the main muscle of respiration. Contraction of the diaphragm muscle expands the lungs during inspiration when one is breathing air in. We rely heavily on the diaphragm for our respiratory function so that when the diaphragm is impaired, it can compromise our br [..]

The thin muscle below the lungs and heart that separates the chest from the abdomen.

[Gk. diaphrassein, to barricade] A sheet of muscle that forms the bottom wall of the thoracic cavity in mammals; active in ventilating the lungs.

The muscle in the abdomen that aids in breathing

A ring or plate with a hole in the center, the size of which controls the amount of light entering the camera. An adjustable diaphragm in a lens enlarges or reduces the size of the hole, or aperture, [..]

Thin, dome-shaped muscle that separates the abdomen from the chest. When the muscle contracts, the dome flattens, increasing the volume of the chest.

A plate-like muscular structure that separates the chest from the abdominal cavity.The dividing membrane between the chest and abdominal cavity.

late 14c., from Late Latin diaphragma, from Greek diaphragma "partition, barrier, muscle which divides the thorax from the abdomen," from diaphrassein "to barricade," from dia- &qu [..]

The mechanical device inside a lens that controls the aperture. Read articles that include this term

A barrier form of contraception. It consists of a dome-shaped latex or silicone disc with a flexible rim that covers the cervix. In combination with a spermicide it blocks sperm from entering the uter [..]

The adjustable opening of a camera lens which controls the quantity of light reaching the film. See: Stop. Some lights also have an iris.

Another name for the cap - a contraceptive device placed over the neck of the womb.

The muscle between the abdomen and thorax; main muscle of normal breathing.

(di´ua-fram) A sheetlike dome of muscle and connective tissue that separates the thoracic and abdominal cavities. diaphysis

The domed respiratory muscle between thoracic and abdominal compartments of mammals. diapolar cells

1. Muscle sheet that separates the abdominal cavity from the thoracic cavity. 2. Cup-shaped contraceptive device.

A large transverse muscle at the base of the thorax, used in respiration to draw air into the lungs.

A muscle separating the thorax and abdomen that is used in breathing. When it contracts, the lungs inflate; when it relaxes, they deflate.

Generally a five hole disc placed under the stage on a high power microscope.  Each hole is of a different diameter.  By turning it, you can vary the amount of light passing through the stage opening.  This will help to properly illuminate the specimen and increase contrast and resolution.  The diaphragm is most useful at the higher powers.

A muscle and connective structure that separates the abdominal and thoracic cavity.

A flexible membrane in a valve that deflects down onto a rigid area of the valve body to regulate water flow from the supply lines. This eliminates the possibility of debris build-up within the valve.

Elements of a building that provide shear strength to withstand wind and earthquake loads. Back to Top

1. The radiating surface of a compression driver; its vibrations emit sound waves. 2. The moving element of a microphone.

The flexible, circular vibrating membrane of a SOUNDBOX or REPRODUCER which converts mechanical energy to acoustic energy or sound waves. Mica, glass, compressed paper, copper and aluminum were common [..]

birth control device made of a thin flexible disk, usually made of rubber, that is designed to cover the cervix to prevent the entry of sperm during sexual intercourse.

(anatomy) In mammals, a sheet of muscle separating the thorax from the abdomen, contracted and relaxed in respiration to draw air into and expel air from the lungs. (mechanics) A flexible membrane sep [..]

(n) a mechanical device in a camera that controls size of aperture of the lens(n) (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration(n) a contracep [..]

The dome-shaped sheet of muscle at the base of the lungs that helps move air in and out of the lungs.

The muscle wall between the chest and the abdomen.

The thin muscle below the lungs and heart that separates the chest from the abdomen.

large, concave muscle attached to the rib cage at bottom of the chest (top of the abdomen). Inhalation occurs when diaphragm contracts. Exhalation is passive as the muscle relaxes.

The muscle which separates the chest cavity from the abdominal cavity (19thc)

the thin muscle layer that separates the chest from the abdominal cavity.

Ever get the hiccups? Don't worry – it's just your diaphragm doing something different! This thin, dome-shaped muscle helps you breathe and separates the lungs from your stomach and intestin [..]

The diaphragm is a large, sheet-like muscle which stretches across your chest under the ribcage. At rest, it is shaped like a dome curving up into your chest. When you breathe in, the diaphragm contra [..]

a thin flexible disc of rubberized fabric which separates two cavities and uses vacuum or pressure for activation.

A diaphragm is a flexible ring covered with a dome-shaped sheet of elastic material used in the vagina to prevent pregnancy. They have been shown to provide some protection against some STD’s, but not [..]

Roof panel or decking, metal wall, or floor slab which provides a larger in-plane shear stiffness and strength adequate to transmit horizontal forces to the resisting structural system.

A thin flexible plate held in place in a capsule in such a way that when pressure is applied to one side, the plate will bulge outward.

This term describes the sound-producing element in a tweeter, or Horn. This is the surface that produces the sound you actually hear. The motor that drives it can be any of several technologies includ [..]

A mechanism that controls the size of the lens aperture. Diaphragms are usually composed of overlapping blades or leaves that open or close to control aperture.

A series of metal "blades" that can be manipulated to form a larger or smaller opening through which the light is admitted.  

The technical name for the lens aperture that is made from overlapping blades.

Regulates the intensity of light entering through the slide and into the objective lens.

A series of metal “blades” that can be manipulated to form a larger or smaller opening through which the light is admitted.

Diaphragm is the part of a camera lens in which the aperture is housed and controlled. The diaphragm works to allow light to only enter the camera through the lens.

The mechanical device inside a lens that controls the aperture. Read articles that include this term

Mechanical arrangement of thin, pivoted blades which overlap to leave a central, roughly circular aperture, the diameter of which can be adjusted by rotating the blades on their pivots. Fitted within [..]

An adjustable device inside the lens which is similar to the iris in the human eye; comprised of six or seven overlapping metal blades; continuously adjustable from "wide open" to "stopped down"; controls the amount of light allowed to pass through the lens to reach the sensor or film; also controls the amount of [..]

A mechanism in a lens that controls the aperture. Diffused Light: Light that has been softened before hitting the subject. Light can be diffused naturally by clouds or purposefully by the photographer Exposure: The amount and quality of light that is allowed to transfer onto and act upon the photographic medium. Exposure is also colloquially used a [..]

A ring or plate with a hole in the center, this is what controls the size of the aperture. The larger the hole, the more light will be let into the sensor and vice versa.

Soft Tissue formed mainly by the pelvic Diaphragm, which is composed of the two levator ani and two coccygeus Muscles. The pelvic Diaphragm lies just below the pelvic aperture (outlet) and separates t [..]

The musculofibrous partition that separates the Thoracic Cavity from the Abdominal Cavity. Contraction of the diaphragm increases the volume of the Thoracic Cavity aiding Inhalation.

The musculofibrous partition that separates the THORACIC CAVITY from the ABDOMINAL CAVITY. Contraction of the diaphragm increases the volume of the thoracic cavity aiding INHALATION.

A thin muscle that separates the abdominal and thoracic cavities and expands the chest during respiration.

A horizontal membranous partition of the body cavity. Differentiation.

The thin muscle below the lungs and heart that separates the chest from the abdomen.

A form of contraception

The sheet of muscle that divides the chest cavity from the abdomen. It is used in breathing.

 

The diaphragm is the primary muscle of inspiration. It is a thin, dome-shaped sheet of muscle that inserts into the lower ribs. When it contracts, it pushes downward and spreads out, increasing the vertical dimension of the chest cavity and driving up abdominal pressure. This increase in pressure drives the abdominal contents down and out, which in [..]

A heavy rubber partition in the brake chamber which activates the brakes when air is forced against it.

A stationary element between the stages of a multi-stage centrifugal compressor. It may include guide vanes for directing the flowing medium to the impeller of the succeeding stage. In conjunction wit [..]

A static element of a multi-stage compressor that is found between the compressor’s stages. Can include guide vanes.

The diaphragm of a horn is a metal disc inside of the horn base which resonates the air passing through the horn. The type of material the diaphragm is build of is important to the construction of the horn. Metals that rust easily are undesirable since compressed air contains moisture naturally. Metals that are easily damaged are also undesirable s [..]

The muscle on which the lungs and heart rest that separates the chest and abdominal cavity and serves as the primary muscle used for breathing.

A plate or partition between the opposite parts of a member serving a definite purpose in the structural design of the member.

A flexible pressure-responsive element that transmits force to the diaphragm plate and actuator stem.

A plate or partition between opposite parts of a member, serving a definite purpose in the structural design of the member.

the part of a dynamic loudspeaker attached to the voice coil that moves and produces the sound. It usually has the shape of a cone or dome.

flexible membrane in a valve body that regulates water flow from the supply lines and reduces build-up within a valve

A thin flexible membrane or cone that vibrates in response to electrical signals to produce sound waves. Distortion is usually referred to in terms of total harmonic distortion (THD) which is the perc [..]

Flexible material usually made of thin metal, rubber or plastic.

A muscle that sits below the lungs; when it contracts it helps the lungs expand and take a breath in

A dome-like sheet of muscle that divides the chest cavity from the abdomen and is used in breathing.

Diaphragm may refer to: Diaphragm (anatomy) or thoracic diaphragm, a thin sheet of muscle between the thorax and the abdomen Diaphragm (optics), a stop in the light path of a lens, having an aperture [..]

Diaphragm may refer to: Diaphragm (anatomy) or thoracic diaphragm, a thin sheet of muscle between the thorax and the abdomen Diaphragm (optics), a stop in the light path of a lens, having an aperture [..]

The diaphragm is a barrier method of birth control. It is moderately effective, with a one-year failure rate of around 12% with typical use. It is placed over the cervix with spermicide before sex and [..]

In mechanics, a diaphragm is a sheet of a semi-flexible material anchored at its periphery and most often round in shape. It serves either as a barrier between two chambers, moving slightly up into on [..]

In the field of acoustics, a diaphragm is a transducer intended to inter-convert mechanical vibrations to sounds, or vice versa. It is commonly constructed of a thin membrane or sheet of various mate [..]

In optics, a diaphragm is a thin opaque structure with an opening (aperture) at its center. The role of the diaphragm is to stop the passage of light, except for the light passing through the aperture [..]

In structural engineering, a diaphragm is a structural element that transmits lateral loads to the vertical resisting elements of a structure (such as shear walls or frames). Diaphragms are typically [..]

A soft rubber dome intended to fit securely over the cervix. Used with contraceptive cream or jelly, the diaphragm is a reversible barrier method of birth control available only by prescription.