muscle

ЛЕКЦИЯ № 35. Pharynx and related areas

The pharynx is a passageway shared by the digestive and respira tory systems. It has lateral, posterior, and medial walls through out, but is open interiorly [...]

ЛЕКЦИЯ № 27. Mechanics of breathing

Muscles of respiration: inspiration is always an active process. The following muscles are involved: The diaphragm is the most important muscle of [...]

ЛЕКЦИЯ № 20. Veins

Veins are low-pressure vessels that have larger lumina and thinner walls than arteries. In general, veins have more collagenous connec ti-ve tissue and less [...]

ЛЕКЦИЯ № 18. Arteries

Arteries are classified according to their size, the appearance of their tunica media, or their major function. Large elastic conducting arteries include the [...]

ЛЕКЦИЯ № 14. Thoracic wall

There are 12 thoracic vertebrae. The vertebrae have facets on their bodies to articulate with the heads of ribs; each rib articulates with the body of the [...]

ЛЕКЦИЯ № 13. Neck

Cervical vertebrae: There are seven cervical vertebrae of which the first two are atypical. All cervical vertebrae have openings in their transverse [...]

ЛЕКЦИЯ № 12. Skull

The extensive chapter covers the major bones of the skeleton as well as their associated muscles and tendons. Blood suppfy and inner-vation are reviewed for [...]

ЛЕКЦИЯ № 10. Muscles

Muscles are the active part of the motor apparatus; their contraction produces various movements. The muscles may be divided from a physiological standpoint [...]

ЛЕКЦИЯ № 8. Muskular system

Skeletal (voluntary) system. The dermomyotome further differentiates into the myotome and the dermatome. Cells of the myotome migrate ventrally to surround the [...]

ЛЕКЦИЯ № 2. Tissue

A tissue is a group of cells working together to do a special job. A histologist is one who specializes in the study of tissues. The cells, of which the [...]