click below
click below
Normal Size Small Size show me how
vocab 3
anatomy terms
word | Definition |
---|---|
Chemical digestion | series of catabolic steps in which complex food molecules broken down to building blocks by enzymes |
action potential | large transient depolarization event including polarity reversal conducted along the membrane of a muscle cell |
acrosome | an organelle covering the head of animal sperm and containing enzymes that digest the egg cell coating, thus permitting the sperm to enter the egg. |
dendrite | branching neuron process that serves as a reciptive or input, region |
diencephalon | part forebrain between cerebral hemisphere and midbrain including thalmus |
chromosomes | barlike bodies of tightly coiled chromatin |
chromatid | one of two identical chromosomal strands into which a chromosome splits longitudinally preparatory to cell division. |
fimbriae | A fringelike part or structure, as at the opening of the fallopian tubes. |
gastrulation | development process that produces three primary germ layers, ectoderm, endoderm, mesoderm |
blastula | the early developmental stage of an animal, following the morula stage and consisting of a single, spherical layer of cells enclosing a hollow, central cavity. |
glyconeogenesis | formation of glucose from noncarbohydrate molecules |
glycolysis | breakdown of glucose to pyruvic acid |
metabolism | sum total of chemical reactios occuring in body cells |
homozygous | identical genes |
hetrozygous | different genes |