Primates
Terms
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- Prosimian top inscisors...
- peglike; widely spaced
- Prosimians bottom inscisors
- dental comb
- Prosimian Canines top
- dagger like
- Prosimian bottom Canines
- incisiform; part of the dental comb
- Prosimian pre molars top
- unicuspid; bicuspid;triuspid
- Prosimian bottom premolars
- p1: canini form; unicusp; bicusp
- Prosimian molars top
- tritubercular: 3 cusps
- Prosimians molars bottom
- quad: 4 cusps
- Compared to Anthropoids, prosimians have
- smaller brains; larger muzzle; horizontally positioned foramen magnum; straighter craniofacial axis
- Do prosimians have paired or fused frontal bones?
- paired
- How oriented is the orbital plane of prosimians?
- latteral
- Do prosimians have paired dentary bones?
- yes (mental symphysis)
- Do they have a lower or higher ascending ramus of the mandible?
- lower
- what do prosimians have that no other primates have?
- rhinarium and a frenulum and tateum?
- Compared to prosimians... Antropoids have
- larger brains; smaller muzzel;
- How are their frontal bones?
- they are fused
- Do they have a postorbital wall or bar?
- wall
- How is the orbital plane oriented in antropoids?
- more frontal
- Do they have paired or fused madible (dentary bones)?
- fused
- Do they have a grooming claw?
- no grooming claw