طب بشري جامعة سبها-دفعة2002

for preseving Adipos tissue components we use formalin fixative

aims of fixative

using constant grade of Alcohol to dehydration the tissue leads to tissue shrinking

5- Clearing is done by placing the tissues in a- Suza b- Bouin c- Zinker d- Xylol or benzol

2- Fixation of fresh tissue is essential to a- remove water b- prevent deterioration c- replace alcohol d- clear the sections e- keep the cells alived

- Advantages of paraffin sections a- short period of time b- large pieces of tissues could be used c- excellent for soft tissues d- sections are easily stained

- Which of the following is used to make fat visible a- Eosin b- Hematoxylin c- Sudan III d- Toluidine blue e- Mallory stain

- The purpose of the microscope is a- fixation b- staining c- mounting d- resolution e- clearing

- Nanometer is equivalent to a- 10³ mm b- 10⁶ mm c- 10⁹ mm d- 10¹²mm e- none of the above

It convey the information about the degree of tension

Contraction increases the tone but doesn’t in itself produce movement

The degree of tension of the muscle is detected by

Muscle tone :Partial contraction

Alpha fibers

Nerve of muscle is pure motor

More powerful muscles

The most penetrating structure of the skin