developmental anatomy 1

Question 1

what is Developmental?

Answer 1

progressive change

Question 2

what is embryology?

Answer 2

developmental events that begin with fertilization and the zygote, ending in birth or hatching

Question 3

what is differentiation?

Answer 3

the process by which differing properties are conferred on the embryo at different times and in specific locations.

Question 4

what is morphogenesis?

Answer 4

the process by which form arises.

Question 5

what is pattern formation?

Answer 5

a process by which different parts become highly ordered spatially.

Question 6

What is growth?

Answer 6

The function of cell size and number of cell divisions

Question 7

the four major approacjes to studying developmental biology

Answer 7

M- mathematical approaches
A- Anatomical approaches
G- Genetics approaches
E- Experimental approaches

Question 8

subsets of anatomical approaches

Answer 8

comparative, evolutionary and teratologies

Question 9

model organisms

Answer 9

C. elegans, D. melanogaster, D. rerio, X. laevis

Question 10

types of movement during gastrulation

Answer 10

invagination, involution, ingression, delamination, and epiboly

Question 11

fertilization

Answer 11

fusion of mature sell cells

Question 12

cleavage

Answer 12

rapid cell division into blastomeres

Question 13

gastrulation

Answer 13

series of extensive cellular rearrangement to give rise to three germ layers. they include ectoderm, mesoderm, endoderm

Question 14

organogenesis

Answer 14

formation of tissues and organs from the primary germ layers.

Question 15

metamorphosis

Answer 15

a stage from hatching resulting in the formation of larval stages that mature into an adult.

Question 16

Gametogenesis

Answer 16

completes the cycle to allow for the formation of a new organism.