Histology
Histology is the microanatomy method and a branch of biology that studies the anatomy of tissues. It includes viewing tissue in a magnified view under the microscope. Microanatomy also includes the process of study of organs called organology and the study of cells called cytology. Histopathology is a branch of biology that includes microscopic identification of diseased tissue. The field of histology comprises the preparation of the tissues and collection of cells as specimens for examination under the microscope. These processes are done by technicians like histologists, histotechnicians, and biomedical scientists. Histopathology is the diagnosis and research of tissue diseases that require the examination of tissues and/or cells under a microscope. Histopathologists are in charge of determining tissue diagnosis and assisting clinicians in managing a patient's care.
Endocrine System
Human body functions due to the collective work of the organ systems. One of them is the endocrine system. It is a chemical messenger system constituting the hormones directly released by the endocrine glands into the circulatory system. The study of this system is known as endocrinology. The word 'endon' means inside, and 'crine' means secrete, making the word "endocrine."
- Smooth muscle fibers are much narrower than skeletal muscle fibers, but both skeletal and smooth muscle fibers are the same length."
True
False
2. The walls of the small intestine contain ____.
-one layer of smooth muscle and one layer of skeletal muscle
-two layers of smooth muscle with fibers oriented perpendicular to one another
-smooth muscle fibers that change their orientation from circular to longitudinal as they contract
-ALL OF THE ABOVE
3. Which of the following characterizesÊbothÊskeletal and smooth muscle cells?
-voluntary control
-multinucleated
-sarcomeres are lined up end-to-end in myofibrils
-contract when calcium concentration around myofilaments increases
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