Vocabulary and Word Derivations


Respiration

gill

lung

tracheal tube

pharynx (Gk. pharynx, "throat")

trachea (L "windpipe" ):

bronchus [pl. bronchi] (from Gk, bronchos, "windpipe" ):

bronchiole (bronchi-, "windpipe" + -ole, diminutive suffix):

alveolus [pl. alveoli] (alve(us), "concave vessel" + -ole, diminutive suffix):

diaphragm

inspiration (inhalation)

expiration (exhalation)

vital capacity

tidal volume

residual volume

brainstem: the central, more "primitive" part of the brain that houses centers for basic physiological functions, such as control of breathing

carotid body

aortic body

hemoglobin (hemo-, "blood" + -glob-, "globe, sphere" + -in, suffix for a chemical :" a globular blood protein"):

partial pressure

Bohr effect: the decrease in the affinity of hemoglobin for O2 at low oxygen potential that accompanies a drop in blood pH

Animal nutrition

ingestion

digestion

absorption

elimination

oral cavity

saliva

salivary amylase

mucin

bolus (L. "clod of earth" ...i.e, "dirt bomb")

pharynx (Gk. pharynx, "throat")

glottis (Gk. glottis, "tongue")

epiglottis (epi-, "on, outside, covering" + -glottis)

esophagus (Gk. esophagus, "esophagus")

peristalsis (peri-, "about, around" + -stalsis, "contraction")

sphincter (from Gk. sphinkter, "band", related to Sphinx, a creature who would strangle those unable to answer its riddle)

thoracic (adj. form of thorax, from L. thorax, "chest")

abdominal (adj. form of abdomen, from L. abdomen, "belly")

diaphragm (dia-, "through, across" + -phragm, "fence")

cardiac (from Gk. kardia, "heart")

pyloric (from Gk. pyloros, "gatekeeper" [the pylorus is the latter part of the stomach; its exit])

enzyme / zymogen (en-, "in" + -zyme, "yeast" [enzymes in yeast were the first studied]) / (zymo-, relating to enzymes + -gen, "something that produces, origin of")

pepsin / pepsinogen (peps-, "digestion" + -in, suffix for a molecule)

chief cell

parietal cell

small intestine

duodenum (from L. intestinum duodenum digitorum, " intestine of twelve finger breadths" ...those crazy Romans)

jejunum (from L. jejunus, "empty"; so called because they were thought to be empty after death [???])

ileum (L. "guts")

villus [pl. villi] (L. shaggy hair)

microvillus

amylase (amyl-, "starch" + -ase, ending for enzymes)

protease (prote-, refers to proteins + -ase, ending for enzymes)

nuclease (nucle-, refers to nulceic acids + -ase, ending for enzymes)

lipase (lip-, refers to lipids, or fats + -ase, ending for enzymes)

trypsin (tryp-, "to rub" + -in, suffix for a molecule [so-called because it was first extracted from the pancreas by rubbing it with glycerin])

hepatic (from L. hepar, "liver") portal vein

bile (from L. bilus, "bile")

chyme (from Gk. chymos, "juice")

emulsify (e-, "out" + -muls- ,"milk" + -ify , verb ending for a process)

lacteal (from L. lacteus, "milky" [lacteals carry a fluid full of emulsified fats that has a milky appearance])

large intestine

appendix (append- "to append, to add on" + -ix, suffix for a noun)

cecum (from L. cæcum intestinum, "blind intestine")

colon ( Gk. kolon, "large intestine")

Hormones:

gastrin (gastr-, "stomach" + -in, suffix for a molecule)

secretin (secret- ,"to secrete" + -in, suffix for a molecule)

choleocystokinin (choleo-, "bile, gall" + -cysto- "bladder" + -kin-, "to move" + -in, suffix for a molecule)

gastric inhibitory peptide

Osmoregulation and excretion

osmoregulation

excretion

osmoloarity

osmoconformer

osmoregulator

nitrogenous waste

ammonia

uric acid

urea

kidney

renal cortex

renal medulla

renal pelvis

nephron

Bowman's capsule

glomerulus

afferent arteriole

efferent arteriole

proximal tubule

loop of Henle

distal tubule

collecting duct

filtration

secretion

reabsorption

hypothalamus

pituitary gland

ADH (anti-diuretic hormone)

Animal reproduction

fragmentation

budding

parthenogenesis (partheno-, "virgin" + -genesis, "having origin in"): reproduction by means of unfertilized eggs

hermaphroditism (from Hermaphroditus, son of Hermes and Aphrodite, who became joined in one body with a female nymph): that ability to make both sperm and eggs

gamete (L. "husband, mate", from gam-, "marriage" [as in "bigamy"])

ovum [pl. ova] (L. "egg")

spermatozoan (spermato- "seed, germ" + -zoan, "animal")

gonad (from Gk. gonos, "procreation, seed")

gametogenesis: the production of gametes

oogenesis: the production of female gametes (ova)

ovary (ov- "egg" + -ary, "a place where something is kept")

spermatogenesis

testis [pl. testes] (L. witness): the male gonad

seminiferous tubules (semin-, "seed" + -iferous, "to bear")

Sertoli cells

epididymis (epi-, "on, attached to" + -didymus, "testicle, twin")

acrosome (acro-, "tip, extremity" + -some, "body")

vas deferens [pl. vasa deferentia] (vas, "vessel" + deferens, "serving to carry out of")

ejaculatory duct

seminal vesicle

prostate gland (pro- "for" + -state, "the state of standing" [not to be confused with prostrate: "lying flat; weak, helpless, exhausted"])

urethra

semen

prostaglandin (from prostate gland, formerly thought to be the source of prostaglandins)

capacitation

zona pellucida (L., "translucent zone")

follicular cells

zygote (Gk. zygotos, "yoked, joined")


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