Zoo lab 4

Question 1

Loose CT aka…

Answer 1

AKA areolar tissue
Relatively cell-rich
Contains fibroblasts and macrophages
Dark thin bands are elastic fibers made of elastin
Thick pink bands are collagenous fibers
Ground substance is viscous

Question 2

Frog skin

Answer 2

Epidermis
Dermis
Dense fibrous CT
chromatophores containing melanin

Question 3

Cartilage CT

Answer 3

Chondrocytes in lacunae

Question 4

Bone CT

Answer 4

Osteocytes in lacunae
Canaliculi coming off the osteocyte
Central canal in the middle of the osteon

Question 5

Adipose CT

Answer 5

Adipocytes with sacs of fats and a nucleus near the plasma membrane

Question 6

Blood CT (human)

Answer 6

Neutrophil - multi lobed with purple staining granules
Eosinophil - two lobes with pink staining granules
Basophil - deep purple-stained granules and large size
Monocyte - horseshoe shaped nucleus and blue-gray frosted-glass textured cytoplasm with fine granules
Lymphocyte - small size with large spherical nucleus
Non-nucleated erythrocytes
Cell fragment platelets

Question 7

Frog Blood

Answer 7

Nucleated erythrocytes
Spindle-shaped thrombocytes
Contain leukocytes as well

Question 8

Nervous tissue

Answer 8

This is a multipolar neuron
Nucleus with a nucleolus inside
Dendrites
Axon
Neuroglia

Question 9

Nerve impulse

Answer 9

Communicating with other cells and to coordinate body functions by means of electrochemistry

Question 10

Frog blood vs Human Blood

Answer 10

Nucleated erythrocytes in frog blood vs non-nucleated erythrocytes in frogs. Thrombocytes in frog blood vs platelets in human blood.