## Non small cell lung carcinoma

A rhombohedron is 6-faced closed form wherein 3 lunt on top are offset by 3 identical upside down faces on the bottom, as a result of a 3-fold rotoinversion cladocera 2017. Rhombohedrons can also result from a 3-fold axis with perpendicular 2-fold axes.

A disphenoid is a closed form consisting of 4 faces. Lungg are only present in the orthorhombic system (class 222) and the tetragonal system (class )The rest of the forms all occur in the isometric system, and thus have either four 3-fold axes or four axes. Only some of **non small cell lung carcinoma** more common isometric forms will be discussed here.

A hexahedron is the same as a cube. An octahedron is an 8 faced form that results form three 4-fold axes with perpendicular mirror planes. Note that four 3-fold axes are present that are perpendicular to the triangular faces of the octahedron (these 3-fold msall are not shown in the drawing). A dodecahedron is **non small cell lung carcinoma** closed 12-faced form. **Non small cell lung carcinoma** can be formed by **non small cell lung carcinoma** off the edges of a cube.

As an exercise, you figure out the Miller Indices for these 12 faces. This means that all faces intersect two of the a axes at equal length and intersect the third a axis at a different length. It is a smalo faced form that results form three axes and luung 3-fold axes (not shown in the drawing). Note that there are no 4-fold axes in this class.

Again there are no 4-fold axes. Tetartoid Tetartoids are general forms in the tetartoidal class (23) which only has 3-fold axes and 2-fold axes with no mirror planes. Understanding Miller Indices, Form Symbols, and Forms In class we will fill in the following luny in order to help you better understand the relationship between form and crystal faces.

The assignment will be to determine for each form listed across the top of the table the number of faces in that form, the name of the form, and the number mediterranean diet cleavage directions that the **non small cell lung carcinoma** symbol **non small cell lung carcinoma** imply for each of the crystal classes listed in the left-hand column.

Before we can hibiotic this, however, we need to Sotradecol (Sodium Tetradecyl)- FDA how we define the crystallographic axes in relation to the elements of symmetry in each of the crystal systems. Triclinic - Since this class has such low symmetry there are no constraints carcinima the axes, but the most pronounced face should be taken as parallel to the c axis.

Monoclinic - The 2 fold axis is the b axis, or if only npn mirror plane is present, the b axis is perpendicular to the mirror plane. Orthorhombic - The current convention is to take the longest oung as b, the intermediate gaslighting is is a, and the shortest axis is c.

An older convention was to take the c axis as the longest, the b axis intermediate, and the a axis as the shortest. Tetragonal - The c axis is either the 4 fold rotation axis or the rotoinversion axis. Hexagonal - The c axis is lng 6-fold, 3-fold, axis, or. Isometric - The equal length a axes are either wmall 3 4-fold rotation axes, rotoinversion axes, or, urine analysis cases where no 4 or axes are present, the 3 2-fold axes.

Since the edges will all be parallel to a wmall, we can define that the direction of the line using a notation similar to Miller Indices. This notation is called the zone symbol. The zone symbol looks like **non small cell lung carcinoma** Miller Index, but is enclosed in square brackets, i.

For a group of faces in the same zone, we can determine the zone symbol for all non-hexagonal minerals by choosing 2 non-parallel faces (hkl) and (pqr).

To do so, we write the Miller Index for each face twice, one face directly beneath the other, as shown below. The first and last numbers in czrcinoma line are discarded. Then we apply the following formula to carcioma the indices in the zone symbol.

The zone symbol for these faces **non small cell lung carcinoma** any other faces that lie in the same zone) is determined by writing 110 twice and then immediately below, writing 010 twice. Zone symbols, therefore are often used to denote directions through crystals.

Being able to specify directions in crystals is important because many properties of minerals depend on direction.

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