Bipinnately compound leaves are twice divided: the leaflets are arranged along a secondary vein that is one of several branching off the rachis. Each leaflet is called a pinnule. The pinnules on one secondary vein are called pinna; e.g. Full article >>>
palmate An arrangement of leaflets (or lobes on a simple leaf), each originating from a common point, usually the axial end palmately compoundleafLeaflets radiating from a common point. Palpebrae Eyelid. Full article >>>
compound leaves -- n. Leaves with two or more leaflets attached to a single leafstem. compression -- Fossil formed when an organism is flattened (compressed) and a thin film of organic material from its body is left in the rock. Full article >>>
conjugate - of a pinnate leaflet; having only one pair of leaflets 3. conjugate - formed by the union of two compounds; "a conjugated protein" ... Full article >>>
vein banding. Dark brown discoloration of the veins on the undersides of potato leaflets caused by potato virus Y. vraison. Beginning of fruit ripening, recognized by berry softening and beginning of pigmentation in colored varieties. Full article >>>
(Date:1/6/2009)...S BREAKTHROUGH RESEARCH IN UNDERSTANDING GENETIC A...RY 3-6, 2009 , What: , Although racial and e...cancer patients are well known, little is understo...e to solve a seemingly intractable problem. The Am...a collaboration of scientists who are working to u...
(Date:1/6/2009)...of scientists is linking nutrient pollution in the... of harmful algal blooms reported in recent years....nt seafood with toxins, cause human respiratory an...in coastal waters. , In the December edition of... compilation of 21 articles outlining the role of ...
(Date:1/6/2009)...ps proteins migrate in and out of the cell,s genet... at higher risk for the degenerative brain disease...is the conclusion of a global study to be publishe...s , and currently posted online, that was led by a...dical Center. , Researchers investigated cases w...
(Date:1/6/2009)...nmental impacts and growing demand for organic oli...s of agroecosystem health in olive-growing regions...s the abundance and biodiversity of invertebrates,...ve determined that Coccinellids (ladybugs) can b...tegrated farming systems. , Coccinellids were ...
...Our immune system protects us from disease, destro...ells. But it can also go haywire for no apparent r...d wreaking havoc. , In thousands of people each ye...to the tiny, delicate structures that allow us to ...lose the ability to hear in one or both ears. Some...
...Covering ship hulls with artificial shark skin cou...ne organisms such as barnacles on ship hulls is a ... industry. Shark skin offers a structural design t... Liedert from the University of Applied Sciences, ...lication of artificial shark skin in a new anti-fo...
...Everyone knows morning people and late-night owls.... an anecdotal as well as experimentally verified f...dian differences (and thereby hope to rout out the...o rely on prolonged behavioural observation. To s... in humans, the required period of lengthy observa...
...The biological clock controls the circadian rhythm...processes, from fluctuating hormone levels to slee...l known that circadian clock elements sense and re...w daily temperature cycles affect the clock,s timi...ournal PLoS Biology , Kajori Lahiri, Nicholas Fou...