Life Sciences Glossary: From Cytostome to Choroid and Chroma Fin Cells

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Cytostome

The cell mouth in protozoa.

Cytotoxic

The chemical that inhibits or prevents the normal physiology of a cell.

Conduct

Duct leading from a gonad to the exterior.

Calcitonin

A hormone secreted by their thyroid glands.

Calculus

An abnormal stone formed within the body, as in the gallbladder, kidney, or urinary bladder.

Calorie

A unit of heat.

Cancer

A tumor that can be benign or malignant.

Capillary

A microscopic blood vessel located between an arteriole and venue.

Carbonate

A pesticide with anticline esterase activity.

Carbohydrate

Compounds of carbon, hydrogen, and oxygen having the generalized formula n.

Carbonic Anhydrase

An enzyme present in RBCs that assists in converting carbon dioxide into bicarbonate ions.

Carboxyl

An acidic chemical group, - COOH.

Carcinogen

Any substance that causes cancer.

Cardiac

Pertaining to heart or proximal part of stomach.

Caries

Decay of a tooth or bone.

Carnivore

One of the flesh- eating mammals of order Carnivore.

Carotene

A red, orange or yellow pigment which is a precursor of vitamin A.

Carpal

Pertaining to the carpus or wrist.

Carrier

An individual heterozygous for a recessive sex linked trait.

Cartilage

A translucent elastic tissue that makes up most of the skeleton of very young vertebrates.

Carrying Capacity

The optimum population size of an area that can support over an extended period of time.

Casein

The main protein in milk.

Catabolism

A complex metabolic process in which energy is liberated for work.

Catalyst

A chemical that speeds up a reaction but is not at all used up in the reaction.

Cataract

Loss of transparency of the crystalline lens of the eye, or its capsule, or both.

Cat Ion

An ion with a positive charge. (An ion: An ion with a negative charge)

Centriole

A minute cytoplasmic organelle usually found in the centrosome.

Cerebellum

An enlarged part of the dorsal side of the vertebrate hindbrain; chief muscle- coordinating center.

Cerebrum

The principal portion of vertebrate brain (forebrain) consisting of cerebral hemi- spheres.

Cervix

Neck any constricted portion of an organ.

Cancroid

A highly contagious sexually transmitted disease caused by infection of bacillus homophilic durceryl.

Chellos՚s

A disorder of lips and mouth characterized by scales and fissures resulting from the deficiency of riboflavin.

Chemotherapy

The treatment of illness or disease by chemicals/pharmaceuticals.

Chickenpox

An acute highly contagious viral disease caused by a herpes virus, Varicella zoster virus, primarily in young children.

Chloroplast

A plastid containing chlorophyll found in the cytoplasm of plant cells.

Cholecystectomy

Surgical removal of the gall- bladder.

Cholesterol

A fat- soluble crystalline steroid alcohol found in animal fats and oils.

Choroid

One of the vascular coats of the eyes.

Chroma Fin Cells

Hormone- producing cells of the adrenal medulla.

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