Represent bonds that liberate unusually large amounts of energy when hydrolyzed.
The term "submandibular lymphadenopathy" describes swollen lymph nodes under the mandible (lower jaw). Infection is typically indicated by hot, swollen, sensitive, and pliable lymph nodes that are also accompanied by other symptoms.
Additionally, infections of the upper respiratory tract, tonsils, sinuses, or from mononucleosis and cut-scratch disease can cause submandibular lymphadenopathy.
<h3>What is lymph node ?</h3>
A small bean-shaped element of the immunological system. White blood cells called lymphocytes, which are found in the lymph nodes of the body, help the body fight off disease and infection. They remove materials that the lymphatic fluid does not filter. There are thousands of lymph nodes all across the body.
- Immune cells are produced in lymph nodes to help in the fight against infection. They also filter the lymph fluid to remove contaminants like pathogens and cancerous cells. They can swell as a result of swelling, an abscess, cancer, and—most commonly—inflammation.
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Answer:
1. Metaphase
2. Prophase
3. Telophase
4. Interphase
5. Interphase
6. Interphase
7. Anaphase
8. Interphase
9. Telophase
10. Metaphase
11. Interphase
12. Interphase
13. Interphase
14. Interphase
15. Prophase
16. Interphase
17. Metaphase
18. Anaphase
19. Interphase
20. Interphase
21. Prophase
22. Interphase
Explanation:
The cell cycle is divided into two main divisions. The Interphase ad the M phase or the Mitotic phase.
Throughout Interphase, the cell is not dividing yet, but it is preparing to divide. It synthesizes the nutrients it will need, and grows in preparation to become two cells. This is actually the phase the cell spends the longest time.
Mitotic phase is when the cell starts to divide. It is separated into:
Prophase:
In this phase the chromosomes are condensed and mitotic spindles start to form. These spindles are made up of microtubules that will help later on to split the chromosomes. The nuclear membrane disappears so that the chromosomes will be free to move.
Metaphase
This phase is marked by the alignment of the chromosomes in the middle of the cell. They line up and you will find the asters at the opposite ends of the cell, where the microtubules stem from, attaching themselves to the center of the chromosomes, which we call the kinetochore.
Anaphase
In this phase you will see that the chromosomes are separated by the spindle fibers and are pulled at opposite ends of the cell. The cell then becomes longer by the other spindle fibers that are not attached to a chromosome.
Telophase
This phase is the end phase. The two sets of chromosomes are then enclosed by new nuclear membranes forming two nuclei and other cellular structures just as the cells are about to separate completely. As the two new cells move further apart, in plant cells a cell plate forms, dividing the two cells. The movement of the two cells splitting apart is called cytokinesis and it happens just as mitosis is about to end.
Attached is a picture of the cell cycle of a plant cell.
Bone is able to heal more rapidly than muscle or nerve tissue, because both muscle and nerve cells are relatively permanent, while bone is constantly remodeled by osteoblasts and osteoclasts, and thus can be repaired relatively rapidly. Bone building through increased secretion of osteoid is stimulated by the secretion of growth hormone by the pituitary, thyroid hormone and the sex hormones (estrogens and androgens).Osteoblasts can also be induced to secrete a number of cytokines that promote reabsorbtion of bone by stimulating osteoclast activity and differentiation from progenitor cells.Your muscles heal very differently than your bones. you fracture a bone, as long as it is set and fixed in place properly, it will tend to heal so thoroughly that it will become stronger than it was before the fracture! Your muscles however, do not actually heal with muscle tissue, but with "foreign" substances including collagen. The resulting scar tissue is weaker, less elastic, and highly prone to re-injury. Once a muscle is damaged, it can become the source of a great deal of pain. Muscle healing can require several months, and muscle scarring is often permanent. Nerve tissue healing is slowest, because nerve cells are not readily regenerated. The duration of the regenerative process varies and may require 6-18 months, depending on the length of the nerve and the site of the lesion. Although the commonly quoted regeneration rate is 1 mm/d, this figure varies considerably and can be used only as a rough estimate. Occasionally, very early signs of recovery may be present, which are thought to be due to so-called pioneer axons, which quickly navigate the pathway to the target tissue ahead of most nerve fibers