What is myomere?

1. What is the function of the Myomere?
2. What is a Myomere in anatomy?
3. What are Myomers made of?
4. What is Myosepta fish?
5. What is notochord in zoology?
6. What is the difference between a white light muscle from red dark muscle?
7. Are W shaped Myomeres primitive?
8. What is Myocommata fish?
9. Do vertebrates have Myomeres?
10. What is fish muscle protein?
11. How do artificial muscles work?
12. What are fish Myotomes?
13. What is the difference between red muscle tissue and white muscle tissue in fish?
14. What is the relationship of Myotomes and Myocommata?
15. What's the study of fish called?

What is the function of the Myomere?

There are three distinct types of myomeres: amphioxine, cyclostomine and piscine. All have in common the function of bending their possessors' bodies from side to side to provide locomotor force. In all cases pull is applied obliquely to the long axis of the body.

What is a Myomere in anatomy?

Myomere are the blocks of skeletal muscle tissue found commonly in chordates. ... The myomeres are separated from adjacent myomere by connective tissues and most easily seen in larval fishes or in the olm.

What are Myomers made of?

Fish axial muscle consists of a series of W-shaped muscle blocks, called myomeres, that are composed primarily of multinucleated contractile muscle cells (myofibres) gathered together by an intricate network of connective tissue that transmits forces generated by myofibre contraction to the axial skeleton.

What is Myosepta fish?

In fish, the musculoskeletal system is relatively simple: a connective tissue called myoseptum separates W-shaped myomeres that are arranged in a longitudinal series [1]. Most fish species also have a horizontal septum that divides the myotomal muscle into epaxial and hypaxial domains.

What is notochord in zoology?

Definition of notochord

: a longitudinal flexible rod of cells that in the lowest chordates (such as a lancelet or a lamprey) and in the embryos of the higher vertebrates forms the supporting axis of the body.

What is the difference between a white light muscle from red dark muscle?

Red muscles have slow-twitch fibers which can contract slowly for a long period of time without fatigue. They are used during aerobic exercises and as such, rely on lots of oxygen to generate energy. White muscles have fewer capillaries, myoglobin, and mitochondria.

Are W shaped Myomeres primitive?

This primitive fish displays unambiguous vertebrate features: a notochord, a pair of prominent camera-type eyes, paired nasal sacs, possible cranium and arcualia, W-shaped myomeres, and a post-anal tail.

What is Myocommata fish?

The myocommata run in an oblique, almost "plow-like" pattern perpendicular to the long axis of the fish, from the skin to the spine. This anatomy is ideally suited for the flexing muscle movements necessary for propelling the fish through the water.

Do vertebrates have Myomeres?

vertebrate muscle systems

These muscle segments, known as myomeres, consist of relatively short fibres that insert into septa of connective tissue, the myocommata, between the adjacent myomeres. ... …the folds of several anterior myomeres and to overlap those of several more posterior myomeres.

What is fish muscle protein?

Myofibrillar proteins are the most abundant proteins in fish muscle, constituting 65–75% of the total muscle proteins. Among myofibrillar proteins are included contractile proteins, such as myosin and actin, regulatory proteins, such as tropomyosin and troponin, and other minor proteins.

How do artificial muscles work?

Artificial muscles constructed from ordinary fishing line and sewing thread can lift 100 times more weight and generate 100 times more power than a human muscle of the same length and weight. ... By winding them into coils, researchers make artificial muscles that contract at speeds similar to human muscles.

What are fish Myotomes?

The muscles of fish are layered, rather than bundled as in the other vertebrates. Each segment, or sheet, of muscles is called a myomere or myotome and is separated from its neighbor by a sheet of connective tissue. ... And horizontally separating the muscles of the upper and lower halves of the body.

What is the difference between red muscle tissue and white muscle tissue in fish?

The red muscles are aerobic while the white muscle is mostly anaerobic. As long as a fish swims within the sustained swimming speed only the red muscles are used, while in prolonged swimming at high swim speeds, some of the white muscles are used, and this is what eventually leads to fatigue.

What is the relationship of Myotomes and Myocommata?

Instead, fish has muscle cells running in parallel and connected to sheaths of connective tissue (myocommata), which are anchored to the skeleton and the skin. The bundles of parallel muscle cells are called myotomes (Figure 3.3).

What's the study of fish called?

ichthyology, scientific study of fishes, including, as is usual with a science that is concerned with a large group of organisms, a number of specialized subdisciplines: e.g., taxonomy, anatomy (or morphology), behavioral science (ethology), ecology, and physiology.