Biology, 22.10.2019 23:00 idalieramirez8517

When chondrocytes in lacunae divide and form new matrix, it leads to an expansion of the cartilage tissue from within. this process is called a) appositional growth b) hematopoiesis c) interstitial growth d) calcification.

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Answer from: martinez78

c) interstitial growth

Explanation:

Cartilage growth is effected by two types of mechanisms: apposition or exogenous growth and interstitial or endogenous growth.

Growth by apposition. From the inner layer of the perichondrium, new layers of cartilage are produced continuously by proliferation of mesenchymal cells that are arranged in the deepest area of the perichondrium. These cells differ in chondroblasts, which secrete amorphous fundamental substance and collagen fibers, leaving the cells included in said substance. The cartilage grows outward by the apposition of successive layers.

In interstitial growth, chondrocytes usually gather in small groups, called isogenic groups or cell nests, each consisting of the progeny of a chondrocyte that has passed through several mitotic divisions.

Once the cytoplasm constriction occurs in the cells that are in the process of division, an intercellular substance septum develops between them, separating the daughter cells. These, in turn, can give rise to groups of four cells. In this way interstitial growth develops two types of arrangements: if mitosis is performed in only one direction we have a group of aligned chondrocytes (axial isogenic group), but if the divisions are performed in all directions, we have a coronary isogenic group.

In the epiphyseal lines of the long bones the cellular division of the chondrocytes occurs in a plane, resulting in the ordering of long columns, which are subsequently invaded by the bone tissue.

The division of the chondrocytes and the secretion of a new matrix between the cells, leads to an expansion of the cartilage from the inside.

Answer from: Quest

Hunting in the darksome fish rely on senses beyond sight. in the darkness of the marianas trench, a fish called the rattail has an extremely sensitive sense of smell. the fish uses scent, rather than sight, to steer toward food. once it's near food, the rattail uses a special organ on the bottom of its chin to guide itself by feel.marine snowone staple of the deep sea diet is "marine snow," flakes of organic, edible substances that sink down from the upper ocean. animals at the ocean's bottom find sustenance in everything from the bodies of dead creatures to fecal matter. marine snow is diverse enough to support numerous species. for instance, several species of snails and worms feed exclusively on deceased whales.microorganismsthe deep sea is an intricate ecosystem, and even the ocean floor itself plays a part. hydrothermal vents are cracks in the sea floor where erupting magma mixes with ocean water to produce plumes of hot, sulfur-rich chemicals. some microbes can use these chemicals for energy, sustaining their existence and that of the animals who depend on their roles in the deep sea food chain.

Answer from: Quest

They became more resistant.

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