space (spās)
Subarachnoid space
subarachnoid space,
1. a delimited area.
2. an actual or potential cavity of the body.spa´tial
apical space the region between the wall of the alveolus and the apex of the root of a tooth.
axillary space axilla.
Bowman's space capsular s.
bregmatic space the anterior fontanelle, situated at the junction of the frontal, coronal, and sagittal sutures.
capsular space a narrow chalice-shaped cavity between the glomerular and capsular epithelium of the glomerular capsule of the kidney.
cartilage spaces the spaces in hyaline cartilage containing the cartilage cells.
corneal spaces the spaces between the lamellae of the substantia propria of the cornea containing corneal cells and interstitial fluid.
cupular space the part of the attic above the malleus.
danger space a subdivision of the retropharyngeal space, extending from the base of the skull to the level of the diaphragm; it provides a route for the spread of infection from the pharynx to the mediastinum.
dead space
1. the space remaining after incomplete closure of surgical or other wounds, permitting accumulation of blood or serum and resultant delay in healing.
2. in the respiratory tract: (1) anatomical dead s., those portions, from the nose and mouth to the terminal bronchioles, not participating in oxygen–carbon dioxide exchange, and (2) physiologic dead s., which reflects nonuniformity of ventilation and perfusion in the lung, is the anatomical dead space plus the space in the alveoli occupied by air that does not participate in oxygen–carbon dioxide exchange.
epidural space the space between the dura mater and the lining of the vertebral canal.
episcleral space the space between the bulbar fascia and the eyeball.
haversian space see under canal.
iliocostal space the area between the twelfth rib and the crest of the ilium.
intercostal space the space between two adjacent ribs.
interglobular spaces small irregular spaces on the outer surface of the dentin in the tooth root.
interpleural space mediastinum.
interproximal space the space between the proximal surfaces of adjoining teeth.
intervillous space the space of the placenta into which the chorionic villi project and through which the maternal blood circulates.
Kiernan's spaces the triangular spaces bounded by invaginated Glisson's capsule between the liver lobules, containing the larger interlobular branches of the portal vein, hepatic artery, and hepatic duct.
lymph space any space in tissue occupied by lymph.
Meckel's space a recess in the dura mater which lodges the gasserian ganglion.
mediastinal space mediastinum.
medullary space the central cavity and the intervals between the trabeculae of bone which contain the marrow.
palmar space a large fascial space in the hand, divided by a fibrous septum into a midpalmar and a thenar space.
parasinoidal spaces lateral lacunae.
perforated space see under substance.
periaxial space a fluid-filled cavity surrounding the nuclear bag and myotubule regions of a muscle spindle.
perilymphatic space the fluid-filled space separating the membranous from the osseous labyrinth.
perineal spaces spaces on either side of the inferior fascia of the urogenital diaphragm, the deep between it and the superior fascia, the superficial between it and the superficial perineal fascia.
periplasmic space a zone between the plasma membrane and the outer membrane of the cell wall of gram-negative bacteria.
perivascular spaces spaces, often only potential, that surround blood vessels for a short distance as they enter the brain.
perivitelline space a space between the oocyte and the zona pellucida.
pneumatic space a portion of bone occupied by air-containing cells, especially the spaces constituting the paranasal sinuses.
Poiseuille's space that part of the lumen of a tube, at its periphery, where no flow of liquid occurs.
Reinke's space a potential space between the vocal ligament and the overlying mucosa.
retroperitoneal space the space between the peritoneum and the posterior abdominal wall.
retropharyngeal space the space behind the pharynx, containing areolar tissue.
retropubic space the areolar space bounded by the reflection of peritoneum, symphysis pubis, and bladder.
Retzius space
subarachnoid space the space between the arachnoid and the pia mater.
subdural space the space between the dura mater and the arachnoid.
subgingival space gingival crevice.
subphrenic space the space between the diaphragm and subjacent organs.
subumbilical space a somewhat triangular space in the body cavity beneath the umbilicus.
Tenon's space episcleral s.
thenar space the palmar space lying between the middle metacarpal bone and the tendon of the flexor pollicis longus.
zonular spaces the lymph-filled spaces between the fibers of the ciliary zonule.
sub·a·rach·noid space (s b  -r k noid)n. The space between the arachnoid membrane and pia mater that is filled with cerebrospinal fluid and contains the large blood vessels that supply the brain and spinal cord. |
Subarachnoid space
The space between two membranes surrounding the brain, the arachnoid and pia mater.
Mentioned in: Anesthesia, Local, Hydrocephalus
subarachnoid space,
the space between the arachnoid membranes and the pia mater membranes. It contains cerebrospinal fluid.
space
1. a delimited area.
2. an actual or potential cavity of the body.
3. the areas of the universe beyond the earth and its atmosphere.
dead space
1. space remaining in tissues as a result of failure of proper closure of surgical or other wounds, permitting accumulation of blood or serum.
2. the portions of the respiratory tract (passages and space in the alveoli) occupied by gas not concurrently participating in oxygen-carbon dioxide exchange.
)
Types of dead-space in an anesthetic ventilation system. By permission from Cunningham JG, Textbook of Veterinary Physiology, Saunders, 2002
Disse s's
small spaces between liver sinusoids and liver cells; conduits for liver lymph. Called also perisinusoidal space.
epidural space
the space between the dura mater and the lining of the spinal canal.
s's of Fontana
fluid spaces separating solid trabeculae in the iridial angle meshwork.
interalveolar space
the part of the dental arch where there are no teeth.
intercostal space
the space between two adjacent ribs.
interpleural space
mediastinum.
intervillous space
the space of the human and some other placentae into which the chorionic villi project and through which the maternal blood circulates.
lumbosacral space
the intervertebral space between the last lumbar and the first sacral vertebrae; suitable site for epidural injection.
lymph s's
open spaces filled with lymph in connective or other tissue, especially in the brain and meninges.
Meckel's space
a recess in the dura mater that lodges the trigeminal ganglion.
mediastinal space
mediastinum.
medullary space
the central cavity and the intervals between the trabeculae of bone that contain the marrow.
parasinoidal s's
spaces in the dura mater along the superior sagittal sinus which receive the venous blood.
perisinusoidal space
see Disse spaces (above).
perivascular space
a lymph space within the walls of an artery.
plantar space
a fascial space on the sole of the foot of primates, divided by septa into the lateral, middle and median plantar spaces.
pneumatic space
a portion of bone occupied by air-containing cells, especially the spaces constituting the paranasal sinuses.
retroperitoneal space
the space between the peritoneum and the dorsal abdominal wall.
retropharyngeal space
the space behind the pharynx, containing areolar tissue.
subarachnoid space
the space between the arachnoid and the pia mater, containing cerebrospinal fluid.
subdural space
the space between the dura mater and the arachnoid.
subphrenic space
the space between the diaphragm and subjacent organs of bipeds.
subumbilical space
somewhat triangular space in the body cavity cranial to the umbilicus.
Tenon's space
a lymph space between the sclera and Tenon's capsule.
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