and chromospheric matter are genuinely the product of condensation reactions, then their mechanism of formation might shed great light into the emissive nature of this solar layer.
Scientists led by Wolfgang Tremel, a professor at Johannes Gutenberg Universitat Mainz, built the artificial spicules
by mixing silicatein-[alpha] with calcite.
It is characterized by blood-filled spaces lined by fibrous septa containing osteoclast-like multinucleated giant cells and delicate spicules
The size of prominences varies considerably from the smallest spicule
or mound to a spectacular eruptive prominence event that can reach to over a million km from the limb.
Yosipovitch and colleagues induced itch on the ankles, forearms and backs of 18 study participants with cowhage spicules
, which come from a type of legume found in tropical areas that are known to cause intense itching.
The specimens (CORBIDI 010186-010191, 010238) exhibit diagnostic characters for the species: two tubercles on the upper eyelid, skin on dorsum shagreened with scattered small spicules
, males lack vocal sacs, red or orange and white spots on groins and anterior surfaces of thighs.
Not surprisingly, macroscopic forms are rarely encountered in the cores, but include semi-articulated arrays of sponge spicules
and, in Bele O-35, a poorly preserved anomalocaridid claw and a palaeoscolecid worm fragment (see Fig.
The ciborium usually has no teeth (also known as armatures) and can have only tiny spicules
serve as the structural framework for sponges.
The pathology report revealed normal bone spicules
containing fibrous connective tissue and granulation tissue with lymphocytes and multinucleate giant cells (Figure 2a-b).
In plucked spicules
of a TS patient, we recently identified a new human polyomavirus virus known as TS-associated polyomavirus (TSV) (9).
Members of the genus may be recognized by the lack of cephalic sensory canal pores, a much reduced cephalic sensory papillae pattern, a wide gill opening extending anteriorly to below the vertical limb of the preopercle or, more usually, anterior to this, a lack of spicules
(odontoids) on the outer gill rakers of the first gill arch, fewer than 12 dorsal and anal fin rays, and a fifth pelvic-fin ray that is equal to or more than 40% the length of the fourth pelvic-fin ray (Winterbottom 1995, 2003).