What kind of jaw bone is this?

What kind of jaw bone is this?

In anatomy, the mandible, lower jaw or jawbone is the largest, strongest and lowest bone in the human facial skeleton. It forms the lower jaw and holds the lower teeth in place. The mandible sits beneath the maxilla. It is the only movable bone of the skull (discounting the ossicles of the middle ear).

How do you tell skulls apart?

The most effective means of identifying a skull to species is with the use of a dichotomous key. A dichotomous key allows a person, through a series of questions, to identify an organism to species by process of elimination. Plants, fish and even skulls can be identified using this method.

What type of bone is the lower jaw?

The lower jaw bone is the only moveable bone of the skull and is attached to muscles involved in chewing and other mouth movements. It also holds the bottom teeth in place. Also called mandible.

Which bone is the easiest to use to determine the gender of a skeleton?

However, the pelvis is the best sex-related skeletal indicator, because of distinct features adapted for childbearing. The skull also has features that can indicate sex, though slightly less reliably.

How do you tell a dog’s skull from a wolf skull?

It is one way to tell them apart. If you look at a wolf’s head from the side – its profile- it will be flat from the top of the skull to the tip of the nose. A dog’s head, on the other hand, has a steeper angle and a more noticeable “forehead.” Wolves also have two dome shaped projections from the base of their skulls.

What is zygoma bone?

The zygomatic bone (or zygoma) is a paired, irregular bone that defines the anterior and lateral portions of the face. The zygomatic complex is involved in the protection of the contents of the orbit and the contour of the face and cheeks.[1]

How do you know if a bone is male or female?

The biological sex of an adult skeleton can be determined with 95% accuracy by measuring the hip bones alone, 83% accuracy by the skull, and 80% accuracy by the long bones (femur & tibia). WOMENS ELBOWS AND SHOULDERS are slightly different from men’s.

How can you tell the difference between a male and a female mandible?

Mandible. The mental eminence (chin) is often larger and squarer in males and pointed and smaller in females. The mandibular ramus (vertical part of the jaw) is also more upright in males, while it tends to be smaller and more sloping in females.

How can you tell a coyote from a dogs skull?

1) where the top of the coyote skull forms an almost even convex curve from the rear of the skull to the middle of the nasal bones. The dog skull has a pronounced bulge over the optical orbits where the sinuses are located. vertical in the coyote, while the dog’s coronoid extends backwards at the tip (see Fig. 2).