What does anteroposterior diameter mean?
anteroposterior diameter of pelvic cavity The distance between the middle of the pubic symphysis and the upper border of the third sacral vertebra (about 5.3 in [13.5 cm] in women).
What is a diameter in literature?
In poetry, a dimeter /ˈdɪmɪtər/ is a metrical line of verse with two feet. The particular foot can vary. Also, the first line of William Wordsworth’s “We Are Seven”: A simp \\ le Child.
What means anteroposterior?
Anteroposterior (AP): In anatomy, AP stands for anteroposterior: from front-to-back. For example, an AP X-ray of the chest is taken from front-to-back. AP in this respect is the opposite of PA, which stands for posteroanterior: from back-to-front.
What is the diameter of AP?
The AP diameter was measured in two points: in the widest part of the longitudinal section and 5 cm below the uterine fundus (UF), perpendicular to the longitudinal uterine axis.
What is anteroposterior projection?
AP pro·jec·tion (prŏ-jek’shŭn) A radiographic study in which x-rays travel from anterior to posterior. Synonym(s): anteroposterior projection.
What is the true conjugate?
[TA] the diameter that represents the shortest diameter through which the head must pass in descending into the superior strait and measures, by means of x-ray, the distance from the promontory of the sacrum to a point on the inner surface of the symphysis a few millimeters below its upper margin.
What is diameter in a circle?
2 x radiusCircle / Diameter
What is a tetrameter in poetry?
tetrameter, line of poetic verse that consists of four metrical feet. In English versification, the feet are usually iambs (an unstressed syllable followed by a stressed one, as in the word ˘be|cause´ ), trochees (a stressed syllable followed by an unstressed one, as in the word ti´|ger),˘ or a combination of the two.
What is the abbreviation of anteroposterior?
AP
Reviewed on 3/29/2021. Anteroposterior (AP): In anatomy, AP stands for anteroposterior: from front-to-back. For example, an AP X-ray of the chest is taken from front-to-back.
What is an anteroposterior AP radiographic view quizlet?
Anteroposterior view (AP) the anterior surface of the body faces the x-ray tube and x-rays are directed from the front towards the back. Prone view. body laying face down, on abdomen.
What is the transverse diameter?
The transverse diameter of the chest is the horizontal distance between the internal. surfaces of the ribs on the right and left sides, superior to the costal attachment of the diaphragm at that. point wherethe width of the chest is greatest.
What is the anteroposterior direction?
Medical Definition of anteroposterior : concerned with or extending along a direction or axis from front to back or from anterior to posterior.
What is normal AP diameter ratio?
Cervical canal stenosis can be acquired (e.g. trauma, discs, and ossification of the posterior longitudinal ligament) or congenital. It refers to narrowing of the spinal canal, nerve root canals, or intervertebral foramina of the cervical spine. normal AP diameter is ~17 mm. relative stenosis 10-13 mm.
What does AP diameter mean?
AP diameter is the linear distance perpendicular to the long axis of the limb and oriented along the AP axis.
What is the AP diameter of the chest?
The expiratory AP diameters were 23.0, 22.3, and 20.2 cm, respectively; the corresponding inspiratory AP diameters were 24.4, 23.5, and 23.3 cm. The differences were not significant.
What is a transverse diameter?
The transverse diameter was defined as the greatest distance between the lateral borders of the foramen magnum. Transverse diameter of caudate lobe is the distance from the most medial margin to right lateral wall of the portal vein.