diaphysis


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Related to diaphysis: metaphysis

diaphysis

 [di-af´ĭ-sis] (pl. diaph´yses) (Gr.)
1. the portion of a long bone between the ends or extremities, which is usually articular, and wider than the shaft; it consists of a tube of compact bone, enclosing the medullary cavity. Called also shaft.
2. the portion of a bone formed from a primary center of ossification. See illustration.
Diaphysis. From Dorland's, 2000.

di·aph·y·sis

, pl.

di·aph·y·ses

(dī-af'i-sis, -sēz), [TA]
An elongated rodlike structure, as the part of a long bone between the epiphysial extremities. The shaft of a long bone, as distinguished from the epiphyses, or extremities, and apophyses, or outgrowths.
Synonym(s): shaft [TA]
[G. a growing between]

diaphysis

(dī-ăf′ĭ-sĭs)
n. pl. diaphy·ses (-sēz′) Anatomy
The shaft of a long bone.

di′a·phys′i·al (dī′ə-fĭz′ē-əl), di·aph′y·se′al (dī-ăf′ĭ-sē′əl, dī′ə-fĭz′ē-əl) adj.

shaft

(shaft) [TA]
An elongated rodlike structure, as the part of a long bone between the epiphysial extremities.
Synonym(s): diaphysis [TA] .
[A.S. sceaft]

diaphysis

The shaft of a long bone. Distinguish from EPIPHYSIS, the growth zone at the ends of a long bone.

diaphysis

the shaft of a long bone. Compare EPIPHYSIS.

shaft

(shaft) [TA]
An elongated rodlike structure.
Synonym(s): diaphysis [TA] .
[A.S. sceaft]
References in periodicals archive ?
Radiographic measure Mean (mm) SD Range Joint line 63.5 5.0 53 to 71 PCO 25.5 3.0 21 to 32 Femoral diaphysis 33.4 2.9 28 to 38 Table 2: A comparison of radiographic measurements and ratios for male and female genders.
The mechanical strength of the femoral diaphysis was evaluated using the three-point bending test.
In bin 3 (1-2 yr), normalized values for the fibula and the tibia diaphysis were greater than for the distal tibia (p < 0.01).
In our patient, multiple fractures were determined in ischium, pubic arms and left femur diaphysis.
Nonunion of the femoral diaphysis; The influence of reaming and non-steroidal anti-inflammatory drugs.
Stage 3 (Pisi - H1 - R): Pisi; Visible ossification of pisiform; H1: ossification of hamular process of hamatum: R same width of Epiphysis and diaphysis of Radius.
Transverse or short oblique fracture types, comminution, mid- or proximal-third fractures of the diaphysis, osteoporosis, alcoholism, and smoking have all been elucidated as possible risk factors.
A year later the patient complained of some discomfort in the thigh and radiographs revealed a very thin horizontal crack fracture through the lateral cortex of the mid-femoral diaphysis. This was considered to be a stress fracture possibly secondary to early radiation damage to the cortex and her symptoms settled with conservative management.
In the long bones, most cases are metaphyseal, with occasional extension into the diaphysis or epiphysis.
* Atypical fractures of the femoral diaphysis. These fractures are the most re cent and worrisome development in the osteoporosis field.
A long bone has an expanded portion at each end called an epiphysis, which forms a joint with another bone, and a bone shaft, or diaphysis, between the epiphyses.