acrodont

Thân thiện

The lizard has acrodont teeth attached to the top of its jawbone.

Definition

1. Noun:
   • An acrodont is an animal whose teeth are attached to the crest of the jawbone without sockets. This is a specific anatomical feature found in certain reptiles, such as some lizards and the tuatara.

Usage

• The term is primarily used in zoological and anatomical contexts to describe a type of tooth implantation.
• It is a countable noun. The plural form is acrodonts.

Examples

• The tuatara is a classic example of an acrodont reptile.
• In contrast to mammals, which have teeth in sockets, many lizards are acrodonts.
• The study compared the jaw structure of acrodonts with that of pleurodont species.

Advanced Usage

• The term is often used adjectivally in scientific descriptions (e.g., "acrodont dentition").
  • The fossil exhibited clear evidence of acrodont tooth attachment.

Variants and Related Words

• Acrodonty (noun): The condition or characteristic of having acrodont teeth.
  • Acrodonty is one of several types of tooth implantation in vertebrates.
• Pleurodont (noun/adjective): A contrasting type of tooth attachment where teeth are fused to the inner side of the jawbone. Often discussed alongside "acrodont."
• Thecodont (noun/adjective): A type of tooth attachment where teeth are set in sockets (alveoli), as in mammals and crocodilians.

Synonyms

• There is no direct common-language synonym. In technical contexts, it can be described as an animal with summit-attached teeth.

Different Meanings

• The word acrodont has only one specific, technical meaning related to zoological anatomy. It does not have general or figurative meanings.

Học thuật

Noun

1. an animal having teeth consolidated with the summit of the alveolar ridge without sockets