What is lamellae?

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Question from: Ing. Kai Silvestri | Last updated: January 4, 2022

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lamella, dim. of lamĭna «lamina, lama»]. – 1. Thin lamina, of metal or other, and, by extension, very thin layer of rock, mineral, organic or vegetable tissue.

What are lamellae in bone tissue?

Bone lamellae are the structural element of the bone, of which they form the scaffolding. Their arrangement is different in the various types of bone: concentric layered in long bones, solid lattice in short and flat bones.

What are the mushroom gills called?

The gills are thin sheets arranged like a knife, radially, under the cap of the mushrooms, joining the margin with the stem. The lamellulae are identified with the lamellas except that, starting from the margin, they are very short to more or less long, without however ever reaching the stem.

What are the gills in mushrooms for?

LAMELLA: specific hymenophore of Agaricals which, in the shape of a knife blade, is arranged in a radial pattern in the lower part of the cap; it also has a function of static support of the whole hat.

What is the difference between spongy and compact bone tissue which functions do they perform?

Compact or cortical bone is a layer of dense bone that lies below the periosteum. The spongy or transecular bone is a layer of bone immediately below the compact bone, which protects the bone marrow, which is necessary for the production of blood cells.

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What is in the gaps in the spongy bone tissue?

Spongy bone tissue

it has no osteons and the ossein is mineralized, it is deposited in the form of lamellae placed perpendicular to each other and form the so-called bone traveculae, where empty spaces remain to lighten the bone.

What’s in the blanks of the cancellous bone tissue?

As the name itself implies, under the microscope it looks like a sponge and inside it you can see many spaces between the speculas (or trabeculae). The trabeculae, variously oriented and intersected with each other, delimit cavities, called medullary cavities, which contain red (hematopoietic) and yellow (fat) marrow.

What part of the mushroom do you eat?

All mushrooms must be deprived of the terminal part of the stem, the one that was stuck in the ground; the stem must be completely removed when it is leathery or woody, as for example in the Chiodini (Armillaria sp.) and in the Leccini (Leccinum sp.).

Where are the spores of a fungus found?

The hymenophore

The hymenium or hymenophore is the fertile part of the fungi, that is the structure in which the spores are formed, which subsequently dispersing and germinating in suitable places will guarantee their reproduction.

Which mushrooms are poisonous?

Poisonous mushrooms, the list

  • Agaricus xanthodermus, false champignon.
  • Amanita muscaria, malefic egg.
  • Amanita pantherina, Brown moth.
  • Boletus Satanas, maleficent porcini, Bolè Frè
  • Boletus purpureus, maleficent porcino, Bolè Frè
  • Coprinus atramentarius, ink fungus, cover.
  • Entoloma sinuatum, livid entoloma.

What is the name of the part of the cap mushrooms that emerges from the ground?

The mycelium is the vegetative apparatus of fungi and is formed by an intertwining of filaments called hyphae, tubules in which the protoplasm flows.

What are the parts of the porcini mushroom called?

CAP Part of the mushroom that sits above the stem. STEM Part of the mushroom on which the hat rests. … TUBES Thin and dense tubes arranged under the hair of other species of fungi, on whose walls spores form. The whole of the tubules has a spongy appearance.

What is an Osteocyte?

Osteocytes are flattened, lenticular-shaped elements, equipped with numerous thin extensions of the cytoplasm, contained in gaps in the bone matrix, and their extensions cross the matrix itself along thin canaliculi that allow the osteocytes to connect with each other and with the …

What is an Osteon and what elements is it made of?

The osteon or Haversian system is the functional unit of compact bone tissue. It has a cylindrical shape with a diameter of about 0.2 mm and a length of a few millimeters. … An osteone is made up of an average of 30 lamellae. The lamellae are surrounded by collagen spirals whose variations in direction reinforce the osteon.

What is meant by bone tissue?

It is a particular type of supporting connective tissue, consisting of cells dispersed in an abundant extracellular matrix, made up of fibers and an amorphous substance of glycoprotein origin; this has the peculiarity of being also calcified, or also formed by minerals.

Where are the porcini spores found?

In particular, in nature, it can be found in deciduous and fir woods. In particular, with regard to broad-leaved trees, porcini mushrooms that grow in the vicinity of beech and oak trees are very common.

What are mushroom spores?

Spores are plant organisms characterized by a high resistance to environmental conditions even the most adverse ones such as low temperatures and / or unfavorable chemical environments. They originate from the hyphae which constitute the vegetative apparatus of the fungi.

Where are the porcini spores found?

Belonging to the Boletus mushroom family, the boletus is found in the undergrowth of oaks and chestnuts and in areas where the main flora is made up of fir and beech trees.

When do porcini mushrooms turn green?

Usually, with preliminary boiling, mushrooms do not change their color. If salting is done in a cold or dry way, the mushrooms become greenish in color.

How to tell if a mushroom is poisonous?

Tubules: yellowish or greenish-yellow, short, turning blue to the touch. Stem: oval or globose, stocky, compact, enlarged at the base, yellowish (yellow-red) or yellow-orange color; in the upper part (the attachment to the hat) covered by a fine grid with small bright-red meshes.

What do you eat of mushrooms?

Perfect for pasta and risotto, main courses and side dishes, these spontaneous fruits of the earth, born thanks to humidity and darkness, can give a very special flavor to lunches and dinners. Here are some tips on how to clean and cut champignon mushrooms.

What is spongy tissue?

The spongy appearance is noted as the fabric consists of thin columnar structures or trabeculae, variously oriented and intertwined to define numerous intercommunicating cavities called areoles or medullary cavities containing bone marrow, blood vessels and nerves; Havers canals are typically absent and …

What is the spongy tissue used for?

The spongy tissue gives the bone lightness, thanks to its alveolar structure, and the spongy bone allows the muscles to move the bones more easily.

How is spongy bone made?

The spongy bone has an alveolar appearance and is made up of thin trabeculae (or spicules), formed by lamellae leaning against each other, which branch and anastomose in a three-dimensional network in which the bone marrow is received; these medullary cavities are intercommunicating spaces and continue …

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