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A sarcomere is defined as the segment between two neighbouring Z-lines (or Z-discs). In electron micrographs of cross-striated muscle, the Z-line (from the German "zwischen" meaning between) appears in between the I-bands as a dark line that anchors the actin myofilaments. Surrounding the Z-line is the region of the I-band (for isotropic). I ...
Midaxillary line: A vertical line passing through the apex of the axilla. Posterior axillary line: A vertical line passing through the posterior axillary fold. Scapular line: A vertical line passing through the inferior angle of the scapula. Paravertebral line: A vertical line corresponding to the tips of the transverse processes of the vertebrae.
Z-line may refer to: J/Z (New York City Subway service) Z-line (IRC), a type of Internet Relay Chat access ban; Gastroesophageal junction, that joins the oesophagus to the stomach; Z-line, a border that separates and links sarcomeres within a skeletal muscle
atomic number (Z) The number of protons found in the nucleus of an atom. It is most often used to classify elements within the periodic table. atomic orbital atomic packing factor atomic physics A branch of physics that studies atoms as isolated systems of electrons and an atomic nucleus. Compare nuclear physics. atomic structure atomic weight (A)
The input impedance of an infinite line is equal to the characteristic impedance since the transmitted wave is never reflected back from the end. Equivalently: The characteristic impedance of a line is that impedance which, when terminating an arbitrary length of line at its output, produces an input impedance of equal value. This is so because ...
Z 0. The W ± bosons have either a positive or negative electric charge of 1 elementary charge and are each other's antiparticles. The Z 0 boson is electrically neutral and is its own antiparticle. The three particles each have a spin of 1. The W ± bosons have a magnetic moment, but the Z 0 has none.
In physics and engineering, a free body diagram (FBD; also called a force diagram) [1] is a graphical illustration used to visualize the applied forces, moments, and resulting reactions on a free body in a given condition. It depicts a body or connected bodies with all the applied forces and moments, and reactions, which act on the body(ies).
The articular process or zygapophysis (Greek: ζυγόν, romanized: zugón, lit. 'yoke' + apophysis) of a vertebra is a projection of the vertebra that serves the purpose of fitting with an adjacent vertebra.