51 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

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

Crocodilia

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

Teeth

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

Crocodile

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

Animal

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

Human

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

Alligator

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

Sphenodon guntheri

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

Mammal

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

Tuatara

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

Muscle tone

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

Muscle tonus

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

Bud stage

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

Visceral cranium

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

Hyaline cartilage

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

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

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

Viscerocranium

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

Homo neanderthalensis

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

Homo sapiens

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

Monotreme

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

Cuspid tooth

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

Mammalogy

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

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

Patellar reflex

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

Achilles reflex

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

Placentalia

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

Monotremata

Definition noun (taxonomy) A subdivision of the class Mammalia comprised of mammals laying eggs rather than giving birth to... Read More

Chordata

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

Mammalia

Definition noun, plural: mammals A taxonomic class that includes all mammals Supplement Mammalia is a taxonomic class of... Read More

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

Aves

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

Root

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

Distal

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

Felis

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

Gills

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

Fixation

Definition noun, plural: fixations (biological technique) The use of a fixative to preserve histological, cytological, or... Read More

Elephant

Elephant 1. (Science: zoology) a mammal of the order Proboscidia, of which two living species, Elephas Indicus and E.... Read More

Marsupial

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