Examlex
Which type of muscle tissue functions in movement for locomotion, facial expressions, speech, maintenance of body posture and tone, and heat production during shivering?
Blastopore
The opening that forms during early embryonic development, which can develop into the mouth or the anus in animals.
Organogenesis
The process during embryonic development where organs form and develop from three germ layers: the endoderm, mesoderm, and ectoderm.
Embryonic Development
The process by which an embryo forms and develops, from fertilization of the ovum to the fetus stage.
Primitive Groove
A feature seen in the early embryonic stage of some animals, marking the beginning of the development of the central nervous system.
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