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.), a tropical American tree (Hura crepitans). Its fruit is a depressed many-celled woody capsule which, when completely dry, bursts with a loud report and scatters the seeds. See Illust. of Regma. -- Sand bug (Zoöl.), an American anomuran crustacean (Hippa talpoidea) which burrows in sandy seabeaches. It is often use…

The optic capsule; the sclerotic coat of the eye. Owen.

t thirty species of tropical shrubs, with simple leaves and spirally twisted, five-celled capsules; -- also called twisted-horn, and twisty. -- Screw valve, a stop valve which is opened or closed by a screw. -- Screw worm (Zoöl.), the larva of an American fly (Compsomyia macellaria), allied to the blowflies, which so…

A yellow cylindrical mass of egg capsule of certain species of whelks (Buccinum), which resembles an ear of maize.

The clusters of gelatinous egg capsules of a squid (Loligo).

A capsule.

it is very like it, and might properly enough be called internal sense." Locke. -- Sense capsule (Anat.), one of the cartilaginous or bony cavities which inclose, more or less completely, the organs of smell, sight, and hearing. -- Sense organ (Physiol.), a specially irritable mechanism by which some one natural forc…

Bearing a partition; -- said of the valves of a capsule.

rotozoan, the bristles or stiff hairs on the leaves of some plants, or the pedicel of the capsule of a moss.

To fall off, as a leaf, flower, or capsule, on account of disease affecting the supporting footstalk; -- usually followed by off. Darwin.

ing siliques; as, siliquose plants; pertaining to, or resembling, siliques; as, siliquose capsules.

-- Red sorrel. (Bot.) (a) A malvaceous plant (Hibiscus Sabdariffa) whose acid calyxes and capsules are used in the West Indies for making tarts and acid drinks. (b) A troublesome weed (Rumex Acetosella), also called sheep sorrel. -- Salt of sorrel (Chem.), binoxalate of potassa; -- so called because obtained from the…

A capsule or pocket inclosing a number of spermatozoa. They are present in many annelids, brachiopods, mollusks, and crustaceans. In cephalopods the structure of the capsule is very complex.

, the sphenotic bone. Sphenotic bone (Anat.), a bone on the anterior side of the auditory capsule of many fishes, and connected with, or adjoining, the sphenoid bone.

, but produces spores in countless numbers. In ferns it is the leafy plant, in mosses the capsule. Cf. Oöphore.

A cushionlike swelling on any organ; especially, that at the base of the capsule in many mosses.

A suprarenal capsule. Suprarenal capsules (Anat.), two small bodies of unknown function in front of, or near, the kidneys in most vertebrates. Also called renal capsules, and suprarenal bodies.

A disease of the eye, in which the iris adheres to the cornea or to the capsule of the crystalline lens.

Of or pertaining to synovia; secreting synovia. Synovial capsule, a closed sac of synovial membrane situated between the articular surfaces at diarthrodial joints. -- Synovial fluid, synovia. -- Synovial membrane, the dense and very smooth connective tissue membrane which secretes synovia and surrounds synovial capsu…

Discovered or described by M. Tenon, a French anatomist. Tenonian capsule (Anat.), a lymphatic space inclosed by a delicate membrane or fascia (the fascia of Tenon) between the eyeball and the fat of the orbit; -- called also capsule of Tenon.