| bisp | bispinous [diameter] |
|---|---|
| BPD | biparietal diameter; blood pressure decrease; borderline personality disorder; bronchopulmonary dysp... |
| CM | California mastitis [test]; calmodulin; capreomycin; carboxymethyl; cardiac murmur; cardiac muscle; ... |
| CMD | campomelic dysplasia; camptomelic dwarfism; cartilage matrix deficiency; chief medical director; chi... |
| DCC | day care center; detected in colon cancer; dextran-coated charcoal; diameter of cylindrical collimat... |
| sulcus spiralis externus | A concavity in the outer wall of the cochlear duct between the prominentia spiralis and the spiral organ. Synonym: sulcus spiralis externus. (05 Mar 2000) |
|---|---|
| obturator externus | <anatomy, muscle> Origin, lower half of margin of obturator foramen and adjacent part of external surface of obturator membrane; insertion, trochanteric fossa of greater trochanter; action, rotates thigh laterally; nerve supply, obturator. Synonym: musculus obturator externus, external obturator muscle. (05 Mar 2000) |
| externus | <anatomy> Situated or occurring on the outside, many anatomical structures formerly called external are now more correctly termed lateral. Origin: L. Externus = outside (18 Nov 1997) |
| anteroposterior diameter of the pelvic inlet | Distance from the promontory of the sacrum to the upper posterior edge of the pubic symphysis. Synonym: anteroposterior diameter of the pelvic inlet, conjugata vera, conjugate axis, conjugate diameter of pelvic inlet, diameter mediana, internal conjugate, true conjugate. (05 Mar 2000) |
| Baudelocque's diameter | The distance in a straight line between the depression under the last spinous process of the lumbar vertebrae and the upper edge of the pubic symphysis. Synonym: Baudelocque's diameter, external conjugate diameter. (05 Mar 2000) |
| biparietal diameter | The diameter of the foetal head between the two parietal eminences. (05 Mar 2000) |
| buccolingual diameter | The diameter of the crown of a tooth measured from the buccal to the lingual surfaces. (05 Mar 2000) |
| geometric mean diameter | A measure of the central tendency of particle size composition of substrate materials sometimes used as an index of the quality of spawning gravels. Also referred to as D50 size. (09 Oct 1997) |
| conjugate diameter of pelvic inlet | Distance from the promontory of the sacrum to the upper posterior edge of the pubic symphysis. Synonym: anteroposterior diameter of the pelvic inlet, conjugata vera, conjugate axis, conjugate diameter of pelvic inlet, diameter mediana, internal conjugate, true conjugate. (05 Mar 2000) |
| conjugate diameter of pelvic outlet | The distance from the tip of the coccyx to the lower edge of the pubic symphysis. See: obstetric conjugate of pelvic outlet. Synonym: conjugate diameter of pelvic outlet. (05 Mar 2000) |
| posterior sagittal diameter | Distance from the sacrococcygeal junction to the middle of an imaginary line running between the left and right ischial tuberosities. (05 Mar 2000) |
| suboccipitobregmatic diameter | The diameter of the foetal head from the lowest posterior point of the occipital bone to the centre of the anterior fontanelle. (05 Mar 2000) |
| diagonal conjugate diameter | The anteroposterior dimension of the inlet that measures the clinical distance from the promontory of the sacrum to the lower margin of the symphysis pubica. Synonym: conjugata diagonalis, diagonal conjugate diameter, false conjugate. (05 Mar 2000) |
| diameter | The length of a straight line passing through the centre of a circle and connecting opposite points on its circumference, hence the distance between two specified opposite points on the periphery of a structure such as the cranium or pelvis. (18 Nov 1997) |
| diameter at breast height | The width of a plant stem (for example, tree trunk) as measured at 4.5 feet above the ground surface. (09 Oct 1997) |