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13 Cards in this Set

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Rigor mortis;
Stiffness of the muscles. Rigidity lasting for varying periods of time. It begins in the involuntary muscles & w/in 2-4 hrs it affects the vountary muscles (develops due to ATP depletion in the muscles of the dead subject)
Postmortem changes:
Rigor mortis, Livor mortis, Algor mortis, Intravascular clotting, Autolysis, Putrefaction.
Livor mortis:
Also called mostmortem lividity. It is a reddish-blue discoloration of the body, resulting from gravitational pooling of blood, & cooling.
Algor mortis:
(rate of the cooling) Inevitable cooling of a dead subject as the body temp. approaches the environmental temp. (the rate of cooling depends on the temp. before & after death.
Intravascular clotting:
Results in clots that are not adherent to the lining of the blood vessels & heart.
Autolysis:
Digestion of tissues from released substances, such as enqymes from lysosomes.
Organs may be swollen & spongy in appearance.
Putrefaction:
breaking down of organic matter; decomposition or rotting.
Intracellular infiltrations are also known as -
cellular accumulations
Abnormal accumulations of substances the are normally present can occur in the cyto plasm , lypsosomes or the nucleus if?
1. Substance is produced in excess or at an increased rate.
2.An endogenous substance is not effectively catabolized.
3. Harmful extogenous materials accumulate by inhalation, ingestion or infection.
Substances of Intracellular infiltrations are what 3 groups?
1. Normal body substances (protiens, carbohydrates, fat, nutrients etc..)
2. Abnormal endogenous products
3. Exogenous products
Cellular swelling the most common degenerative change is caused by -
the shift of extracellular water into the cells.
In hypoxic injury -
Movement of fluid & ions into the cell is associated with acute failure of metabolism & loss of ATP production.
Is cellular swelling reversible?
Yes, if O2 is given in a timely manner.