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

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

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

Digastric muscle

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

Tuatara

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

Animal

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

Human

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

Crocodile

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

Mammal

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

Zoology

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

Maxillipeds

maxilliped (Science: zoology) One of the mouth appendages of crustacea, situated next behind the maxillae. Crabs have three... 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

Marsupial

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

Wild dolphins learn to “tail-walk” on the water, yet it’s just a fad

Dolphins performing acrobatic tricks have, time and again, fascinated and mesmerized people. As early as 1860s, capturers... Read More

Monotreme

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

Viscerocranium

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

Prognathous

prognathous (Science: anatomy) Having the jaws projecting beyond the upper part of the face; opposed to orthognathous. See... 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

Homology

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

Felis

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

Placentalia

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

Hyaline cartilage

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

Lamprey

Lamprey (Science: zoology) An eel-like marsipobranch of the genus petromyzon, and allied genera. The lampreys have a round,... Read More

Acromegaly

Acromegaly (Science: endocrinology) a condition that results from the excess production of growth hormone in the anterior... 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

Fixation

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

Cuspid tooth

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

Cranium viscerale

Definition noun Latin term for visceral cranium, the portion of the vertebrate skull derived from the embryonic pharyngeal... Read More

Monotremata

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

Mammalia

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

Premature contact

premature contact --> deflective occlusal contact A condition of tooth contact's which diverts the mandible from a normal... Read More

Intermaxillary segment

Intermaxillary segment The primordial mass of tissue formed by the merging of the medial nasal prominences of the embryo; it... Read More