56 results found

Search Results for: jaw

Jaw

Jaw 1. (Science: anatomy) One of the bones, usually bearing teeth, which form the framework of the mouth. Hence, also, the... Read More

Definition

Jaw jerk reflex

Definition noun A stretch reflex that manifests as the contraction of the masseter and the temporalis muscles in response to... Read More

Definition

Synapsid

Any member of the Synapsida clade of animals is referred to as a synapsid. They are believed to have descended from the... Read More

Definition

Digastric muscle

Digastric Definition The digastric muscle is a paired muscle located under the jaw, consisting of the anterior and... Read More

Definition

Crocodilia

Definition noun (taxonomy) A taxonomic order that includes the crocodilian species Supplement The order Crocodilia is... Read More

Definition

Teeth

teeth --> tooth Pl> teeth . OE. Toth,tooth, AS. T; akin to OFries. Tth, OS. & D. Tand, OHG. Zang, zan, G. Zahn,... Read More

Definition

Crocodile

Definition noun, plural: crocodiles Any of the amphibious reptile species of the subfamily Crocodylinae Supplement The... Read More

Definition

Animal

Animal Definition An animal (plural: animals) refers to any of the eukaryotic multicellular organisms of the biological... Read More

Definition

Human

Human Definition A human is a bipedal hominin characterized by having a higher and vertical forehead compared with earlier... Read More

Definition

Zoology

Zoology Definition Zoology is an ever-evolving branch of Biology dealing with the members of the Kingdom Animalia. It... Read More

Definition

Mammal

Definition noun, plural: mammals Any of the endothermic vertebrates belonging to class Mammalia, which are identifiable by... Read More

Definition

Sphenodon guntheri

Definition The tuatara species of the genus Sphenodon that inhabits one small island of New Zealand, i.e. Brothers... Read More

Definition

Tuatara

Definition noun, plural: tuatara or tuataras A nocturnal lizard-like reptile of the genus Sphenodon that is native to New... Read More

Definition

Alligator

Definition noun, plural: alligators A large crocodilian species of the subfamily Alligatorinae Supplement Alligatoridae is a... Read More

Definition

Condyloid joint

A joint is a point where two bones are attached and are capable of movement. The joints not only provide the movements of... Read More

Definition

Muscle tone

Definition noun (1) The muscle in a steady partially contracted state caused by the successive flow of nerve... Read More

Definition

Muscle tonus

Definition noun (1) The muscle in a steady partially contracted state caused by the successive flow of nerve... Read More

Definition

Bud stage

Definition noun (dentistry) The first stage in a developing tooth where a tooth bud forms from the dental... Read More

Definition

Hyaline cartilage

Hyaline Cartilage Definition Before we define hyaline cartilage, let us understand what cartilage is. What is cartilage? Is... Read More

Definition

Visceral cranium

Definition noun The portion of the vertebrate skull derived from the embryonic pharyngeal arches that give rise to mandible,... Read More

Definition

Horse

Horse 1. To provide with a horse, or with horses; to mount on, or as on, a horse. Being better horsed, outrode me. 2. To sit... Read More

Definition

Viscerocranium

Definition noun The portion of the vertebrate skull derived from the embryonic pharyngeal arches that give rise to mandible,... Read More

Definition

Homo neanderthalensis

Definition noun Species of primitive human beings that lived between 28,000 and 300,000 years ago. Various specimens of... Read More

Definition

Homo sapiens

Definition noun The species group of bipedal hominins characterized by having higher and vertical forehead, brain volume of... Read More

Definition

Monotreme

Definition noun (zoology) Any of the egg-laying mammals belonging to the taxonomic group, Monotremata Supplement The class... Read More

Definition

Cuspid tooth

Cuspid tooth --> canine tooth (Science: dentistry) a tooth having a crown of thick conical shape and a long, slightly... Read More

Definition

Mammalogy

Definition noun A branch of biology that is concerned with the study of mammals Supplement In biology, mammalogy is a branch... Read More

Definition

Vibrissa

Definition noun, plural: vibrissae (1) A whisker of an animal, e.g. cat (2) A long, slender, bristle-like feather at the... Read More

Definition

Patellar reflex

Definition noun, plural: patellar reflexes A stretch reflex wherein the anterior muscles of the thigh contracts by reflex as... Read More

Definition

Achilles reflex

Definition noun, plural: Achilles reflexes A stretch reflex wherein the foot jerks towards the plantar surface by reflex as... Read More

Definition

Placentalia

Definition noun (taxonomy) A subdivision of the class Mammalia characterized primarily by their fetus being carried in the... Read More

Definition

Homology

In biology, homology refers to similarities caused by shared ancestry between two structures or genes from distinct species.... Read More

Definition

Chordata

Chordata Definition What is Chordata? Chordata is the phylum of the animal kingdom that includes a large number of animal... Read More

Definition

Marsupial

Definition noun (zoology) A mammal primarily characterized by having a pouch used for carrying their immature young, and... Read More

Definition

Cat

Definition noun, plural: cats (1) A small domesticated Felis species, e.g. F. domestica or F. catus (2) Any of the several... Read More

Definition

Aves

Aves Definition What are birds classified as? Birds constitute the class Aves of the kingdom Animalia. How to define Aves?... Read More

Definition

Root

root (Science: botany) The water- and mineral-absorbing part of a plant which is usually underground, does not bear leaves,... Read More

Definition

Distal

Definition adjective (1) (anatomy) Characterized by being far from the point of anatomical reference. (2) (anatomy) Being... Read More

Definition

Felis

Definition noun (taxonomy) A genus of the family Felidae and includes domestic cat, sand cat, black-footed cat, wildcat,... Read More

Definition

Gills

Gill a woody glen; a narrow valley containing a stream. Origin: Icel. Gil. 1. (Science: anatomy) An organ for aquatic... Read More