Related Experiment Video
Updated: Jun 14, 2026

09:26
Quantification of Orofacial Phenotypes in Xenopus
Published on: November 6, 2014
CALCIFICATION OF DECIDUOUS TEETH IN RHESUS MONKEYS
Summary
Rhesus monkeys and humans share a similar tooth calcification sequence for deciduous teeth. This includes the order of central incisors, molars, lateral incisors, and cuspids, indicating developmental parallels.
Area of Science:
- Primate dental development
- Comparative anatomy
- Odontology
Background:
- Understanding primate dental development aids in evolutionary and comparative studies.
- Deciduous tooth calcification sequences provide insights into developmental timelines.
Purpose of the Study:
- To investigate the sequence of deciduous tooth calcification in rhesus monkeys.
- To compare the rhesus monkey calcification sequence with that of humans.
Main Methods:
- Observational study of dental development in rhesus monkeys.
- Comparison of calcification timing and sequence with established human dental data.
Main Results:
- The probable calcification sequence in rhesus monkeys is central incisor, first molar, lateral incisor, cuspid, and second molar.
- Initial calcification of deciduous molar cusps in rhesus monkeys shows similarities to humans.
Conclusions:
- Rhesus monkeys likely exhibit a similar deciduous tooth calcification sequence to humans.
- The findings suggest conserved developmental pathways in primate dental formation.
Related Concept Videos
Naming Enantiomers
The naming of enantiomers employs the Cahn–Ingold–Prelog rules that involve assigning priorities to different substituent groups at a chiral center. Each enantiomer, being a distinct molecule, is assigned a unique name by the Cahn–Ingold–Prelog (CIP) rules, also called the R–S system. The prefix R- or S- attached to the chiral centers in an enantiomer is dependent on the spatial arrangement of the four substituents on the chiral center. The R–S system essentially comprises three steps:...
Blood Types
Human blood is classified into different types based on the presence of antigens on the red blood cell's surface and antibodies in the plasma. Proper identification of blood type is essential for successful blood transfusion. The International Society of Blood Transfusion has identified 38 human blood types based on the surface antigens on the red blood cells. The most common types are ABO, Rh, and MNS blood types.
ABO blood group
ABO antigens are glycoproteins encoded by genes present on...
ABO blood group
ABO antigens are glycoproteins encoded by genes present on...
Rh Blood Group
The Rhesus (Rh) antigen is crucial in determining blood groups and ensuring compatibility during blood transfusions.
Blood Typing
Understanding an individual's blood group is a critical component of transfusion medicine. It ensures compatibility in blood transfusions, organ transplants, and even during pregnancy. Determining these blood groups involves the ABO and Rh blood typing systems, utilizing specific antigens and corresponding anti-sera to identify an individual's blood type.
Antigens are protein molecules that reside on the surface of red blood cells (RBCs). The ABO and Rh blood typing systems target antigens A,...
Antigens are protein molecules that reside on the surface of red blood cells (RBCs). The ABO and Rh blood typing systems target antigens A,...
Teeth
The formation of teeth, also known as odontogenesis, is a complex process that begins in utero, around the sixth week of embryonic development. There are three stages to this process: the bud stage, the cap stage, and the bell stage.
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin and...
In the bud stage, the tooth germ (an aggregation of cells) starts to form in the developing jawbone. During the cap stage, the tooth germ differentiates into enamel organ, dental papilla, and dental sac, which will later develop into the tooth's enamel, dentin and...
Rabies
Rabies is a lethal zoonotic disease caused by a single-stranded, negative-sense RNA virus of the Lyssavirus genus, within the family Rhabdoviridae. Its primary mode of transmission to humans is through bites or saliva-contaminated scratches from infected mammals such as dogs, bats, raccoons, or foxes. Transmission can also occur if infectious saliva contacts abraded skin or intact mucous membranes, including the conjunctiva.Viral Entry and Early ReplicationOnce introduced at the bite or scratch...

