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20 Cards in this Set
- Front
- Back
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Embryological Development:
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Cell > Cleavage > Morula > Blastula > Gastrula
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Parazoa
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No true tissues or symmetry
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Eumetazoa
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cells > tissues > organs
develop from 2/3 germ layers symmetry & specialization |
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Radial
Bilateral |
multiple planes of symmetry
1 plane of symmetry |
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Anterior
Posterior |
front
back |
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Lateral
Medial |
Side
middle |
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Dorsal
Ventral |
Backside
Bellyside |
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Distal
Procimal |
further out
closer in |
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Sagital
Transverse Frontal |
Right & Left
Anterior/Posterior (superior/inferior) Dorsal & Ventral |
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Cephalization
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concentration of sense organs at anterior end (superior)
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Acoelomate w/ 2 germ layers
w/ 3 germ layers |
Endoderm & Ectoderm (inside & outside)
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Pseudocoelomate
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only 1 layer not fully engulfed in mesoderm
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Coelomate
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gastrovascular cavity
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Open circulation
closed |
Blood > Vessels > Open Sinuses-less efficient, mixes w/ body fluids
blood in vessel |
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Embryo
Blastula Gastrula |
zygot > mitosis > morula
"hollow ball stage", more cells, no specialization Infolding, creates ectoderm, endoderm, mesoderm |
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Protostome
Deuterostome |
1st mouth 2nd anus
1st anus 2nd mouth |
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Blastopore
Archenteron |
Initial Opening
'primitive gut' opening |
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determinate development
indeterminate development |
ultimate fate
continues to live |
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red blood cells
white blood cells bone marrow |
erythrocytes
leukocytes thrombocytes |
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aggressive behavior w/o death
study of behavior |
agonistic
ethology |
