Terms : Hide Images
| 4707727756 | Organ | A specialized center of body function composed of several different types of tissue that together carry out a particular function | 0 | |
| 4707727757 | tissue | a group of cells, consisting of one or more cell types that together perform a specialized function | 1 | |
| 4707729091 | What are the three basic plant organs? | roots, stems, and leaves | 2 | |
| 4707730632 | root system | Includes all of a plant's roots, which anchor it in the soil, absorb and transport minerals and water, and store food. | 3 | |
| 4707730767 | shoot system | The aerial portion of a plant body, consisting of stems, leaves and (in angiosperms) flowers | 4 | |
| 4707730915 | root | An organ in vascular plants that anchors the plant and enables it to absorb water and minerals from the soil. often stores carbohydrates and other reserves | 5 | |
| 4707730916 | lateral roots | A root that arises from the pericycle of an established root greatly enhance the ability of the root system to anchor the plant and to acquire resources such as water and minerals from the soil | 6 | |
| 4707730917 | taproot | A main vertical root that develops from an embryonic root and gives rise to later (branch) roots. Helps prevent the plant from topping | 7 | |
| 4707742961 | fibrous root system | a thick mat of slender roots spreading out below the soil surface | 8 | |
| 4707743550 | adventitious | a term used to describe a plant organ that grows from an unusual source, such as roots arising from stems or leaves | 9 | |
| 4707740059 | root hairs | A tiny extension of a root epidermal cell, growing just behind the root top and increasing surface area for absorption of water and minerals | 10 | |
| 4707740060 | prop roots | support tall, top-heavy plants. adventitious ie corn plant | 11 | |
| 4707740312 | storage roots | i.e beets | 12 | |
| 4707740493 | pneumatophores | AKA air roots they project above the waters surface, thus enabling the plant to obtain oxygen, which is lacking in the thick, waterlogged mud | 13 | |
| 4707754860 | Stem | a plant organ that bears leaves and buds | 14 | |
| 4707742020 | nodes | A point along the stem of a plant at which leaves are attached | 15 | |
| 4707742021 | internodes | A segment of a plant stem between the points where leaves are attached | 16 | |
| 4707742030 | apical buds | A bud at the top of a plant stem, also called a terminal bud most growth of a young shoot is concentrated near the tip of here | 17 | |
| 4707742031 | axillary bud | A structure that has the potential to form a lateral shoot, or branch. The bud appears in the angle formed between a leaf and a stem | 18 | |
| 4707745983 | rhizome | A horizontal shoot that grows just below the surface. Vertical shoots emerge from axillary buds on the rhizome | 19 | |
| 4707745984 | stolons | These are horizontal shoots that grow along the surface. enables asexual reproducing ie. strawberry plant | 20 | |
| 4707745996 | tubers | These are enlarged ends of rhizomes or stolons specialized for storing food. i.e potato | 21 | |
| 4707742032 | leaf | The main photosynthetic organ of vascular plants also exchange gases with the atmosphere. dissipate heat, and defend themselves from herbivores and pathogens. | 22 | |
| 4707742041 | blade | The flattened portion of a typical leaf | 23 | |
| 4707742052 | petiole | The stalk of a leaf, which joins the leaf to a node of the steam | 24 | |
| 4707742334 | veins | A vascular bundle in a leaf monocots have parallel major veins that run the length of the blade. Eudicots generally have a branched network of veins arising from a major vein that runs down the venter of the blade | 25 | |
| 4707757570 | tissue system | One or more tissues organized into a functional unit connecting the organs of a plant | 26 | |
| 4707757583 | dermal tissue system | The outer protective covering of plants | 27 | |
| 4707757688 | epidermis | The dermal tissue system of non-woody plants; usually consisting of a single layer of tightly packed cells. | 28 | |
| 4707757689 | cuticle | A waxy covering on the surface of stems and leaves that prevents desiccation in terrestrial plants | 29 | |
| 4707757690 | periderm | The protective coat that replaces the epidermis in woody plants during secondary growth, formed of the cork and cork cambium | 30 | |
| 4707757797 | vascular tissue system | A transport system formed by xylem and phloem throughout a vascular plant. Xylem transports water and minerals; phloem transports sugars, the products of photosynthesis | 31 | |
| 4707757798 | Xylem | Vascular plant tissue consisting mainly of tubular dead cells that conduct most of the water and minerals upward from the roots to the rest of the body | 32 | |
| 4707757819 | Phloem | Vascular plant tissue consisting of living cells arranged into elongated tubes that transport the sugar and other organic nutrients throughout the plant | 33 | |
| 4707757861 | stele | The vascular tissue of a stem or root | 34 | |
| 4707757918 | ground tissue system | Plant tissues that are neither vascular nor dermal, fulfilling a variety of functions, such as storage, photosynthesis and support | 35 | |
| 4707757938 | pith | Ground tissue that is internal to the vascular tissue in a stem; in many monocot roots, parenchyma cells that form the central core of the vascular cylinder | 36 | |
| 4707758427 | cortex | Ground tissue that is between the vascular tissue and dermal tissue in a root or eudicot stem | 37 | |
| 4707758428 | Parenchyma cells | A relatively unspecialized plant cell type that carries out most of the metabolism, synthesizes and stores organic produce, and develops into a more differentiated cell type | 38 | |
| 4707758601 | Collenchyma Cells | A flexible plant cell type that occurs in strands or cylinders that support young parts of the plant without restraining growth thicker cell walls, and unevenly thickened | 39 | |
| 4707758602 | Sclerenchyma cells | A rigid supportive plant cell type usually lacking a protoplast and possessing thick secondary walls strengthened by lignin at maturity. | 40 | |
| 4707758618 | sclereids | A short, irregular sclerenchyma cell in nutshells and seed coats. Sclereids are scattered throughout the parenchyma of some plants. | 41 | |
| 4707758765 | fibers | A lignified cell type that reinforces the xylem of angiosperms and functions in mechanical support; a slender tampered sclerenchyma cell that usually occurs in bundles | 42 | |
| 4707758766 | tracheids | A long, tapered water-conducting cell found in the xylem of nearly all vascular plants. Functioning tracheas are no longer living | 43 | |
| 4707758869 | vessel elements | A short, wide water-conducting cell found in the xylem of most angiosperms and a few nonflowering vascular plants. Dead at maturity, vessel element are aligned end to end to form micro pipes called vessels. | 44 | |
| 4707758870 | vessels | A continuous water-conducting micro pipe found in most angiosperms and a few nonflowering vascular plants | 45 | |
| 4707758971 | sieve-tube elements | A living cell that conducts sugars and other organic nutrient in the phloem of angiosperms also called a sieve-tube member. Connected end to end, they form sieve tubes. | 46 | |
| 4707758972 | sieve plates | An end wall in a sieve-tube element, which facilitates the flow of phloem sap in an angiosperm sieve tubes | 47 | |
| 4707760779 | companion cell | A type of plant cell that is connected to a sieve-tube element by many plasmodesmata and whose nucleus and ribosomes may serve one or more adjacent sieve-tube elements | 48 | |
| 4707779941 | indeterminate growth | A type of growth characteristic of plants, in which the organism continues to grow as long as it lives | 49 | |
| 4707779942 | meristems | plant tissue that remains embryonic as long as the plant lives, allowing for indeterminate growth | 50 | |
| 4707779943 | determinate growth | A type of growth characteristic of most animals and some plant organs, in which growth stops after a certain size is reached | 51 | |
| 4707780182 | apical meristems | Embryonic plant tissue in the tips of roots and buds of shoots. The dividing cells of an apical meristem enable the plant to grow in length. | 52 | |
| 4707780183 | primary growth | Growth produced by apical meristems, lengthening stems and roots | 53 | |
| 4707780184 | secondary growth | growth produced by lateral meristems, thickening the roots and shoots of woody plants | 54 | |
| 4707780598 | lateral meristems | A meristem that thickens the roots and shoots of woody plants. The vascular cambium and cork cambium are lateral meristems | 55 | |
| 4707780599 | vascular cambium | A cylinder of meristematic tissue in woody plants that adds layers of secondary vascular tissue called secondary xylem (wood) and secondary phloem | 56 | |
| 4707780778 | cork cambium | A cylinder of meristematic tissue in woody plants that replaces the epidermis with thicker, tougher cork cells | 57 | |
| 4707780987 | root cap | A cone of cells at the tip of a plant root that protects the apical meristem | 58 | |
| 4707786117 | Zone of cell division | includes the root apical meristem and its derivatives | 59 | |
| 4707786236 | zone of cell elongation | area where most of the growth occurs as root cells elongate. Cell elongation pushes the tip farther into the soil | 60 | |
| 4707786588 | zone of differentiation | cells complete their differentiation an become distinct cell types. | 61 | |
| 4707787144 | endodermis | In plant roots, this is the innermost layer of the cortex that surrounds the vascular cylinder | 62 | |
| 4707787156 | pericycle | The outer most layer in the vascular cylinder, from which lateral roots arise | 63 | |
| 4707787536 | leaf primordia | A finger-like projection along the flank of a shoot apical meristem, from which a leaf arises | 64 | |
| 4707787542 | apical dominance | Tendency for growth to be concentrated at the top of a plant shoot, because the apical bud partially inhibits axillary bud growth | 65 | |
| 4707792976 | stomata | A microscopic pore surrounded by guard cells in the epidermis of leaves and stems that allows gas exchange between the environment and the interior of the plant | 66 | |
| 4707792977 | guard cells | The two cells that flank the stomatal pore and regulate the opening and closing of the pore | 67 | |
| 4707794009 | mesophyll | leaf cells specialized for photosynthesis. In c3 and CAM plants, mesophyll cells are located between the user and lower epidermis; in C4 plants, they are located between the bundle-sheath cells and the epidermis | 68 | |
| 4707794010 | lenticels | A small raised area in the bark of stems and roots that enables gas exchange between living cells and the outside air. | 69 | |
| 4707794146 | bark | All tissue external to the vascular cambium, consisting mainly of the secondary phloem and layers of periderm | 70 | |
| 4707794248 | polarity | A lack of symmetry; structural differences in opposite ends of an organism or structure | 71 | |
| 4707794460 | pattern formation | The development of a multicellular organism's spatial organization, the arrangement of organs and tissues in their characteristic places in three-dimensional space | 72 | |
| 4707795039 | phase changes | A morphological change that arises from a transition in shoot apical meristem activity | 73 |
