Which Part of the Tooth Germ Is the Primary Source

question 5

Multiple Choice

Which part of the tooth germ is the primary source for the periodontal ligament of the tooth?

• A) Dental sac
• B) Hertwig epithelial root sheath
• C) Stratum intermedium
• D) Central cells of dental papilla

Explain the concept of stress including its causes, appraisals, and physiological responses.

Discuss methods to increase happiness and well-being.

Understand the concept of harm reduction in the context of substance abuse.

Recognize symptoms and factors related to Post-Traumatic Stress Disorder (PTSD).

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Definitions:

Invagination

A process in developmental biology where a part of the cell or tissue surface folds inward to form a pocket or pouch.

Organogenesis

The phase of embryonic development concerned with the formation of organs and organ systems.

Embryonic Development

The process by which an embryo forms and develops, involving cell division, growth, and differentiation.

Blastopore

The opening that forms during early embryonic development, which can develop into the mouth or the anus in animals.