an American whose first language is Spanish

related to a Spanish-speaking people or culture

an American whose first language is Spanish

an island in the West Indies

of or relating to the West Indian island of Hispaniola

(of animals or plants) having stiff coarse hairs or bristles

large stiff-haired rodent of shortgrass prairies of United States

a fricative sound (especially as an expression of disapproval)

a cry or noise made to express displeasure or contempt

make a sharp hissing sound, as if to show disapproval

move with a whooshing sound

express or utter with a hiss

show displeasure, as after a performance or speech

someone who communicates disapproval by hissing

a fricative sound (especially as an expression of disapproval)

enzyme that acts as a catalyst in converting histidine to histamine

amine formed from histidine that stimulates gastric secretions and dilates blood vessels; released by the human immune system during allergic reactions

a medicine used to treat the gastric effects of histamine in cases of peptic ulcers and gastritis and gastroesophageal reflux; works by blocking the effects of histamine on the receptor site known as H2

a painful recurring headache associated with the release of histamine from cells

an essential amino acid found in proteins that is important for the growth and repair of tissue

a macrophage that is found in connective tissue

leukemia characterized by the proliferation of monocytes and monoblasts in the blood

leukemia characterized by the proliferation of monocytes and monoblasts in the blood

a blood disease characterized by an abnormal multiplication of macrophages

condition in which the cells of one tissue can survive in the presence of cells of another tissue

a family of fifty or more genes on the sixth human chromosome that code for proteins on the surfaces of cells and that play a role in the immune response

a bar chart representing a frequency distribution; heights of the bars represent observed frequencies

incompatibility in which one person's tissue cannot be transplanted to another person

of or relating to histology

of or relating to histology

involving the use of histology or histological techniques

anatomist who specializes in the microscopic study of animal tissues

the branch of biology that studies the microscopic structure of animal or plant tissues

a simple protein containing mainly basic amino acids; present in cell nuclei in association with nucleic acids

a person who is an authority on history and who studies it and writes about it

belonging to the past; of what is important or famous in the past

important in history

an era of history having some distinctive feature

of or relating to the study of history

having once lived or existed or taken place in the real world as distinct from being legendary

belonging to the past; of what is important or famous in the past

used of the study of a phenomenon (especially language) as it changes through time

writing having historical value (as opposed to fiction or myth etc.)

the study of linguistic change

writing having historical value (as opposed to fiction or myth etc.)

the use of the present tense to describe past actions or states

writing having historical value (as opposed to fiction or myth etc.)

a school of 19th century German economists and legal philosophers who tried to explain modern economic systems in evolutionary or historical terms

throughout history

with respect to history