EC space

space

S12-873820 (spas) [L. spatium, space] 1. An area, region, or segment.2. A cavity of the body. Synonym: spatium3. A period or length of time; duration.

alveolar dead space

The volume of gas in alveoli that are ventilated but not perfused, or ventilated but not fully perfused.

anatomical dead space

In pulmonary physiology, the area in the trachea, bronchi, and air passages containing air that does not reach the alveoli during inspiration and is not involved in gas exchange. This is termed dead space because the air does not reach the alveoli and is not involved in gas exchange. Normal anatomical dead space is 2.2 ml/kg or 1 ml/lb. Synonym: dead space (1) See: physiological dead space

circumlental space

The space between the equator of the lens and the ciliary body.

closest speaking space

The space between the teeth during casual repetition of the sound “s.” It is considered the closest relationship of the occlusal surfaces and incisal edges of the mandibular teeth to the maxillary teeth during function and rapid speech.

dead space

1. Anatomical dead space.2. The unobliterated space remaining after closure of a surgical wound. This space favors the accumulation of blood and eventually infection.

epidural space

The space outside the dura mater of the brain and spinal cord.

extracellular space

Abbreviation: EC space
The space between cells. It contains tissue fluid, the water derived from plasma in the adjacent capillaries. The water flows among capillaries, tissue spaces, and cells. See: extracellular fluid

Fontanaspaces

See: Fontana spaces

intercostal space

The interval between ribs, filled by the intercostal muscles.

interfascial space

Tenon space. See: Tenon, Jacques R.

interglobular spaces

Czermak spaces.

interpleural space

Mediastinum.

interproximal space

The space between the surfaces of adjacent teeth in the dental arch. It is divided into the septal space, gingival to the contact point of the teeth and occupied normally by the interdental papillae of the gingiva, and the embrasure, the space occlusal to the contact point of the teeth.

interradicular space

The area between the roots of a multirooted tooth, which contains an alveolar bony septum and the periodontal ligament.

intervillous space

Any area of the maternal side of the placenta where transfer of maternal oxygen, nutrients, and fetal wastes occurs.

joint space

Joint cavity.

loose space

A distensible lung interstitial tissue surrounding the acinus and terminal bronchioles.

mechanical dead space

The volume of gas exhaled into a tubing system and rebreathed on the subsequent breath.

Meckel space

Cavum trigeminale.

mediastinal space

Mediastinum.

medullary space

The marrow-containing area of cancellous bone.

palmar space

The midpalmar and thenar spaces of the hand.

parasinoidal spaces

Lateral spaces in the dura mater adjacent to the superior sagittal sinus that receive meningeal and diploic veins.

perforated space

The space pierced by blood vessels at the base of the brain.

periodontal ligament space

Abbreviation: PDL space
A radiolucent space that appears on a dental radiograph between the tooth and the adjacent lamina dura. The space is occupied by the periodontal ligament, which lacks the density to be radiopaque.

periportal space of Mall

See: periportal space of Mall

perivascular spaces

The spaces within adventitia of larger blood vessels of the brain. They communicate with the subarachnoid space.

personal space

In psychiatry, an individual's personal area and the surrounding space. This space is important in interpersonal relations and in personal feelings of security and privacy.

physiological dead space

In the respiratory tract, any nonfunctional alveoli that do not receive air that participates in gas exchange. Possible causes include emphysema, pneumothorax, pneumonia, pulmonary edema, and constriction of bronchioles. See: anatomical dead space

plantar space

One of four spaces between the fascial layers of the foot. When the foot is infected, pus may be found there.

pleural space

The potential space between the visceral and parietal pleura. In some diseases and conditions the space fills with air, blood, lymph, or malignant tumors. Air in the pleural space is called pneumothorax. Blood in the space is called hemothorax. Lymph accumulations in the pleural space are called chylothorax. Malignant tumors that may fill the pleural space include mesothelioma or metastatic lung or breast cancers, among others.

pneumatic space

Any of the spaces in bone that contain air, esp. those in the paranasal sinuses.

popliteal space

The space behind the knee joint, containing the popliteal artery and vein and small sciatic and popliteal nerves.

potential space

A region of the body in which two surface membranes adjoin, separated in health only by a small amount of fluid lubrication. Examples of potential spaces include joint bursae and synovium, and the pericardial, peritoneal, and pleural cavities. These spaces may fill with bacteria, crystals, extracellular fluid, or inflammatory or malignant cells in disease.

prezonular space

The anterior portion of the posterior chamber of the eye.

Prussak space

See: Prussak, Alexander

retroperitoneal space

The potential space outside the parietal peritoneum of the abdominal cavity.

retropharyngeal space

The space behind the pharynx separating prevertebral from visceral fascia. Important as a possible path for the spread of infection from oral cavity trauma downward to visceral organs of the mediastinum.

space of Retzius

See: Retzius, Anders Adolf

subarachnoid space

The space between the pia mater and the arachnoid, containing the cerebrospinal fluid.

subdural space

Narrow space between the dura and the arachnoid.

subphrenic space

Space between the diaphragm and the abdominal organs.

subumbilical space

The triangular space within the body cavity below the navel.

suprasternal space

Triangular space immediately above the sternum between layers of deep cervical fascia.

Tenon space

See: Tenon, Jacques R.

thenar space

A deep fascial space in the hand lying anterior to the adductor pollicis muscle.

单词	ec space
释义	DictionarySeespace EC space space S12-873820 (spas) [L. spatium, space] 1. An area, region, or segment.2. A cavity of the body. Synonym: spatium3. A period or length of time; duration. alveolar dead space The volume of gas in alveoli that are ventilated but not perfused, or ventilated but not fully perfused. anatomical dead space In pulmonary physiology, the area in the trachea, bronchi, and air passages containing air that does not reach the alveoli during inspiration and is not involved in gas exchange. This is termed dead space because the air does not reach the alveoli and is not involved in gas exchange. Normal anatomical dead space is 2.2 ml/kg or 1 ml/lb. Synonym: dead space (1) See: physiological dead space circumlental space The space between the equator of the lens and the ciliary body. closest speaking space The space between the teeth during casual repetition of the sound “s.” It is considered the closest relationship of the occlusal surfaces and incisal edges of the mandibular teeth to the maxillary teeth during function and rapid speech. dead space 1. Anatomical dead space.2. The unobliterated space remaining after closure of a surgical wound. This space favors the accumulation of blood and eventually infection. epidural space The space outside the dura mater of the brain and spinal cord. extracellular space Abbreviation: EC space The space between cells. It contains tissue fluid, the water derived from plasma in the adjacent capillaries. The water flows among capillaries, tissue spaces, and cells. See: extracellular fluid Fontanaspaces See: Fontana spaces intercostal space The interval between ribs, filled by the intercostal muscles. interfascial space Tenon space. See: Tenon, Jacques R. interglobular spaces Czermak spaces. interpleural space Mediastinum. interproximal space The space between the surfaces of adjacent teeth in the dental arch. It is divided into the septal space, gingival to the contact point of the teeth and occupied normally by the interdental papillae of the gingiva, and the embrasure, the space occlusal to the contact point of the teeth. interradicular space The area between the roots of a multirooted tooth, which contains an alveolar bony septum and the periodontal ligament. intervillous space Any area of the maternal side of the placenta where transfer of maternal oxygen, nutrients, and fetal wastes occurs. joint space Joint cavity. loose space A distensible lung interstitial tissue surrounding the acinus and terminal bronchioles. mechanical dead space The volume of gas exhaled into a tubing system and rebreathed on the subsequent breath. Meckel space Cavum trigeminale. mediastinal space Mediastinum. medullary space The marrow-containing area of cancellous bone. palmar space The midpalmar and thenar spaces of the hand. parasinoidal spaces Lateral spaces in the dura mater adjacent to the superior sagittal sinus that receive meningeal and diploic veins. perforated space The space pierced by blood vessels at the base of the brain. periodontal ligament space Abbreviation: PDL space A radiolucent space that appears on a dental radiograph between the tooth and the adjacent lamina dura. The space is occupied by the periodontal ligament, which lacks the density to be radiopaque. periportal space of Mall See: periportal space of Mall perivascular spaces The spaces within adventitia of larger blood vessels of the brain. They communicate with the subarachnoid space. personal space In psychiatry, an individual's personal area and the surrounding space. This space is important in interpersonal relations and in personal feelings of security and privacy. physiological dead space In the respiratory tract, any nonfunctional alveoli that do not receive air that participates in gas exchange. Possible causes include emphysema, pneumothorax, pneumonia, pulmonary edema, and constriction of bronchioles. See: anatomical dead space plantar space One of four spaces between the fascial layers of the foot. When the foot is infected, pus may be found there. pleural space The potential space between the visceral and parietal pleura. In some diseases and conditions the space fills with air, blood, lymph, or malignant tumors. Air in the pleural space is called pneumothorax. Blood in the space is called hemothorax. Lymph accumulations in the pleural space are called chylothorax. Malignant tumors that may fill the pleural space include mesothelioma or metastatic lung or breast cancers, among others. pneumatic space Any of the spaces in bone that contain air, esp. those in the paranasal sinuses. popliteal space The space behind the knee joint, containing the popliteal artery and vein and small sciatic and popliteal nerves. potential space A region of the body in which two surface membranes adjoin, separated in health only by a small amount of fluid lubrication. Examples of potential spaces include joint bursae and synovium, and the pericardial, peritoneal, and pleural cavities. These spaces may fill with bacteria, crystals, extracellular fluid, or inflammatory or malignant cells in disease. prezonular space The anterior portion of the posterior chamber of the eye. Prussak space See: Prussak, Alexander retroperitoneal space The potential space outside the parietal peritoneum of the abdominal cavity. retropharyngeal space The space behind the pharynx separating prevertebral from visceral fascia. Important as a possible path for the spread of infection from oral cavity trauma downward to visceral organs of the mediastinum. space of Retzius See: Retzius, Anders Adolf subarachnoid space The space between the pia mater and the arachnoid, containing the cerebrospinal fluid. subdural space Narrow space between the dura and the arachnoid. subphrenic space Space between the diaphragm and the abdominal organs. subumbilical space The triangular space within the body cavity below the navel. suprasternal space Triangular space immediately above the sternum between layers of deep cervical fascia. Tenon space See: Tenon, Jacques R. thenar space A deep fascial space in the hand lying anterior to the adductor pollicis muscle. tissue space Any space within tissues not lined with epithelium and containing tissue fluid. zonular space A space within the zonule (suspensory ligament of lens). See: dead space extracellular space Abbreviation: EC space The space between cells. It contains tissue fluid, the water derived from plasma in the adjacent capillaries. The water flows among capillaries, tissue spaces, and cells. See: extracellular fluidSee also: space
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