Embryology

Question 1

Morphogenesis

Answer 1

the origin and development of morphological characteristics.

Question 2

Cleavage

Answer 2

a sharp division; a split.

Question 3

Blastula

Answer 3

an animal embryo at the early stage of development when it is a hollow ball of cells.

Question 4

Endoderm

Answer 4

the innermost layer of cells or tissue of an embryo in early development, or the parts derived from this, which include the lining of the gut and associated structures.

Question 5

Differation

Answer 5

the action or process of differentiating.

Question 6

Gastrulation

Answer 6

the process by which a gastrula forms from a blastula.

Question 7

Gastrula

Answer 7

an embryo at the stage following the blastula, when it is a hollow cup-shaped structure having three layers of cells.

Question 8

Coelom

Answer 8

the body cavity in metazoans, located between the intestinal canal and the body wall.

Question 9

Growth

Answer 9

the process of increasing in physical size.

Question 10

organogenesis

Answer 10

the production and development of the organs of an animal or plant.

Question 11

Mesoderm

Answer 11

the middle layer of an embryo in early development, between the endoderm and ectoderm.

Question 12

Fertilization

Answer 12

Fertilization is the fusion of haploid gametes

Question 13

Morula

Answer 13

a solid ball of cells resulting from division of a fertilized ovum, and from which a blastula is formed.

Question 14

Ectoderm

Answer 14

the outermost layer of cells or tissue of an embryo in early development, or the parts derived from this, which include the epidermis and nerve tissue.