Cancer Flashcards
(13 cards)
cancer
uncontrolled cell growth
tumor formation
Benign tumor
slow growth/mitosis well-defined border noninvasive well-differentiated no metastasis not cancer
Malignant tumor
rapid growth/high mitosis undefined border invade local tissues poor differentiation metastasis possible cancer
Carcinoma
transformed epithelial cells
Adenocarcinoma
targets epithelium of glands
Sarcoma
connective tissue
Leukemia
blood/bone marrow
Lyphoma
lymphatic system
Carcinoma in situ (CIS)
early form of cancer or pre-cancer
noninvasive, found tumor
before breached BM
anaplasia
loss of organization
increased nucleus size
pleomorphic
variable shape/size
Matrix metalloproteinases secreted by tumor cells are important for which feature of malignant tumors?
a. Angiogensis
b. Anaplasia
c. Invasiveness
d. Apoptosis
e. Differentiation
c. Invasiveness
Which of the following is NOT a typical characteristic of cancer cells?
a. Loss of cellular self-destruct mechanisms
b. Unlimited replication
c. Autocrine stimulation
d. Decreased responsiveness to growth signals
d. Decreased responsiveness to growth signals
