99 results found

Search Results for: neck

Neck

neck 1. The part of an animal which connects the head and the trunk, and which, in man and many other animals, is more... Read More

Potato tumour of neck

potato tumour of neck A firm nodular mass in the neck, usually a carotid body tumour (chemodectoma).The tumour moves... Read More

Foveolar cell

Definition noun, plural: foveolar cells Any of the epithelial cells that line the surface of gastric mucosa and gastric... Read More

Lymph nodes

Lymph nodes definition Lymph nodes are small, bean-shaped organs located in different parts of the body and act as... Read More

Ganglia

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... 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

Ganglion

Ganglia Definition What are ganglia? To simply define ganglia in biology, it is the structure of an oval shape that... Read More

Natural selection

Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More

Gamete

Definition of Gamete What is a gamete? A gamete is the mature reproductive or sex cell that contains a haploid number of... Read More

Gallbladder

Definition noun A small, pear-shaped, muscular, hollow organ responsible for storing bile, and for creating insulin in the... Read More

Nuchal region

nuchal region --> posterior region of neck The back of neck, including the suboccipital region. Synonym: regio nuchalis,... Read More

Lamarckism

Definition noun The theory suggesting that traits or characteristics of an organism are produced and inherited by direct... Read More

Pancreas

Definition noun, plural: pancreases or pancreata A tongue-shaped glandular structure involved in the secretion of fluid... Read More

Lamarckian theory

Definition noun An evolutionary theory holding that acquired or learned traits can be passed on from parents to... Read More

Diarthrodial joint

What is a diarthrodial joint? A diarthrosis joint is a freely moving joint characterized by its mobility and joint cavity... Read More

Antagonistic Muscle

Definition of Antagonistic Muscle What does the term “antagonistic” mean? As the name suggests, the word antagonistic... Read More

Myosin

Definition noun, plural: myosins A family of motor ATPases that interact with f actin filaments Supplement Myosins belong to... Read More

Foramen magnum

Definition noun A large opening in the anterior inferior portion of occipital bone in the cranium that serves an outlet of... Read More

Skeletal system

What is the Skeletal System? How to define a skeleton? The skeletal system is the main framework that gives your body its... Read More

Roller

roller 1. One who, or that which, rolls; especially, a cylinder, sometimes grooved, of wood, stone, metal, etc, used in... Read More

Takahē (Porphyrio hochstetteri)

By: Maria Victoria Gonzaga Previously, we've seen the different animals endemic to New Zealand. Due to the... Read More

External os

Definition noun A small, somewhat circular aperture on the extremity of the extocervix Supplement At the lower part of the... Read More

Bryophytes

Bryophytes (nonvascular plants) do not have xylem or phloem. The habitations of this plant group are widely varied and... Read More

Mitochondrial DNA not just from moms but also from dads?

If one wants to trace down lineage, that person could turn to the cell's powerhouse, the mitochondrion. This organelle... Read More

Respiration

Organization of the Respiratory System Each lung is composed of air sacs called alveoli - the sites of gas exchange with... Read More

Circulation

Blood Blood is composed of a liquid, plasma, and blood cells such as erythrocytes (red blood cells,) leukocytes (white... Read More

Gastric chief cell

Definition noun, plural: gastric chief cells An epithelial cell that is found mainly in the mucosal layer of the stomach... Read More

Diphyllobothrium latum

Definition noun Fish tapeworm that infests the intestine of its mamalian (including human) host Supplement Diphyllobothrium... Read More

Stiff

stiff 1. Not easily bent; not flexible or pliant; not limber or flaccid; rigid; firm; as, stiff wood, paper, joints. They... Read More

Internal urethral sphincter

Definition noun The urethral sphincter made up of smooth muscle cells found at the inferior end of the urinary bladder and... Read More

Woolly cheetah

Woolly cheetahs were reported in the 19th century as a separate species of cheetah that had longer, denser fur. Several... Read More

Frill

Frill 1. To shake or shiver as with cold; as, the hawk frills. 2. (Science: photography) to wrinkle; said of the gelatin... Read More

Bos

Bos (Science: zoology) a genus of ruminant quadrupeds, including the wild and domestic cattle, distinguished by a stout... Read More

Rotary joint

Definition noun, plural: rotary joints A synovial joint in which a section of a cylinder of one bone fits into a... Read More

Llama

Definition noun, plural: llamas A camelid or ruminant native to South America and closely related to the camels, formerly... Read More

Vacuolization

Definition noun, plural: vacuolizations The formation into, or multiplication of, vacuoles; being filled with... Read More

Articulatio trochoidea

Definition noun Latin for trochoid articulation, a synovial joint in which a section of a cylinder of one bone fits into a... Read More

Strap muscles

Definition noun A group of strap-like muscles just below the hyoid bone and run along the neck and onto the... Read More

Intertriginous

Definition adjective (1) Of, or relating to, or characterized by intertrigo. (2) Of, or pertaining to areas in the body... Read More

Alpaca

Definition noun, plural: alpaca or alpacas (1) A camelid with long, fine, wooly hair, and closely related to llama,... Read More