What's the difference between knob and knobstick?

Knob

Definition:

(n.) A hard protuberance; a hard swelling or rising; a bunch; a lump; as, a knob in the flesh, or on a bone.
(n.) A knoblike ornament or handle; as, the knob of a lock, door, or drawer.
(n.) A rounded hill or mountain; as, the Pilot Knob.
(n.) See Knop.
(v. i.) To grow into knobs or bunches; to become knobbed.

Example Sentences:

(1) The narrow intercellular ridge is smooth, whereas the epithelial cells have small cytoplasmic knobs between the cilia.
(2) The histochemical study of the LDH in the Trout embryo during the early organogenesis shows a specific localization in notochord cells, in mesodermic cells of the terminal knob and in some prosencephalic neuroblasts.
(3) Motor axons possessed elongate, irregularly shaped boutons en passant and morphologically variable boutons terminaux; the latter included huge endings with knobbed projectiles arising from thick collaterals, or smaller, round boutons from thin collaterals.
(4) Men might not have frills and furbelows as women traditionally do, but they’ve got spurious function: knobs on their watches or extra pockets on their jackets that are just as decorative as anything women wear.” 6.
(5) As with established cell lines, formation of zeiotic knobs at the isolated Type 1 cell surface appeared closely related to microfilamentous nets located beneath the plasmalemma.
(6) The isolated cells have an ovoid soma, a dendrite of variable length which terminates in a cilia-bearing knob and an axon, also of variable length.
(7) In addition, some reacted with either knob protrusions or caveolae of the host erythrocyte membrane; one reacted with a parasite-derived antigen present in the erythrocyte cytoplasm.
(8) "It might be that you think it's just a knob on the front panel, but maybe installing it requires you disassemble the front panel, and actually you need a mechanic to come and fit it," argues Rowley.
(9) wt from 80 to 95 kd in different knob-producing isolates of P. falciparum and is absent in knobless variants.
(10) To investigate environmental influences on the development of the olfactory epithelium, semi-thin sections were taken from the nasal septum of newborn and 30-day-old rabbits; the epithelial thickness and the number of olfactory knobs, supporting cells, dark basal cells, and receptor cells were compared.
(11) The spores of Rif-18 are pleomorphic and frequently exhibit terminal knobs.
(12) To investigate the involvement of actin filaments in concanavalin A (Con A)-induced cap formation and cytochalasin B (CB)-induced zeiotic knob migration, the distribution of F-actin was studied in Con A-treated and CB-treated Ehrlich ascites tumor cells (EATC) by fluorescence microscopy using heavy meromyosin conjugated with a fluorescent dye, N-(7-dimethylamino-4-methylcoumarinyl) maleimide, (DACM-HMM).
(13) 205 subjects each chose a "most pleasant" sound delivered through an earphone by turning the control knob on a continuously variable audio oscillator.
(14) Knobs which appear on the membrane of the infected erythrocytes adhere to the endothelium, causing the obstruction of cerebral microvessels.
(15) Cytoadherence of infected erythrocytes in vivo is associated with the presence of knobs on the erythrocyte surface, but we and others have shown recently that cytoadherence to C32 melanoma cells may occur in vitro in the absence of knobs.
(16) Systemic administration of the anti-inflammatory agent indomethacin blocked vascular leakage due to endothelial gap formation but had little or no effect on trophoblast knob penetration of vessels.
(17) After crossectomy which remains the most important stage, a short stripping is performed in an upward direction, substituting a packing for the olive shaped knob normally used.
(18) Under scanning electron microscopy, O. viverrini eggs looked like musk-melon skin; they had prominent shoulders and long knobs.
(19) Six culture-adapted knob-positive Plasmodium falciparum parasites, four of which were nonbinding in an in vitro cytoadherence assay, were tested for the presence of the knob-associated histidine-rich protein PfHRP1.
(20) Instead, there were free and spiral nerve terminals in the interstitium, and epilemmal knob-like or bouton-like endings surrounding non-encapsulated muscle fibers.