---
title: Smooth cartilage and a slippery fluid let the ends of bones glide in… — Cells, bones and muscles · tree and pragmatics
description: Smooth cartilage and a slippery fluid let the ends of bones glide in a joint. Who acts: Smooth cartilage, ends. A sentence of the lesson «Cells, bones and muscles» of the biology course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/64-cells-bones-and-muscles/14/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [Cells, bones and muscles](https://md.mova.elamur.ai/free/en/corpora/school/biology/64-cells-bones-and-muscles/) / 14

# Cells, bones and muscles, sentence 14

<!-- .ven lang=en -->
Smooth cartilage and a slippery fluid let the ends of bones glide in a joint.

<!-- .vintro -->
**Who acts:** Smooth cartilage, ends · **What happens:** let, glide · **To what, where:** ends, joint

<!-- .vabout -->
This is a sentence of the lesson «Cells, bones and muscles» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Smooth cartilage, ends), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:064-cells-bones-and-muscles.lesson:14
# text = Smooth cartilage and a slippery fluid let the ends of bones glide in a joint.
# source = school lesson (ours)
# course = biology
# lesson = 064-cells-bones-and-muscles.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R8-pos-agree ×1
1	Smooth	smooth	ADJ	JJ	Degree=Pos	2	amod	_	_
2	cartilage	cartilage	NOUN	NN	Number=Sing	7	nsubj	_	_
3	and	and	CCONJ	CC	_	6	cc	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	slippery	slippery	ADJ	JJ	Degree=Pos	6	amod	_	_
6	fluid	fluid	NOUN	NN	Number=Sing	2	conj	_	_
7	let	let	VERB	VBD	Mood=Ind|Tense=Past|VerbForm=Fin	0	root	_	Agree=R8-pos-agree|Haiku=0:root|HaikuPos=VERB:VB:Mood=Imp|VerbForm=Fin
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	ends	end	NOUN	NNS	Number=Plur	7	obj	_	_
10	of	of	ADP	IN	_	11	case	_	_
11	bones	bone	NOUN	NNS	Number=Plur	9	nmod	_	_
12	glide	glide	VERB	VB	VerbForm=Inf	7	xcomp	_	_
13	in	in	ADP	IN	_	15	case	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	15	det	_	_
15	joint	joint	NOUN	NN	Number=Sing	12	obl	_	_
16	.	.	PUNCT	.	_	7	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **let** | past | Smooth cartilage and a slippery fluid | the ends of bones |  |  |  |  | tree rules |
| 2 | **glide** | infinitive | the ends of bones *not said here* |  |  | a joint |  |  | vn run-51.3.2-2 «NP V PP.location»: agent=Theme in joint=Trajectory |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

<!-- div src -->

**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:064-cells-bones-and-muscles.lesson:14`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R8-pos-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

<!-- /div -->

<!-- pn -->
- ← previous: [Cells, bones and muscles, 13](https://md.mova.elamur.ai/free/en/corpora/school/biology/64-cells-bones-and-muscles/13/)
- next →: [Cells, bones and muscles, 15](https://md.mova.elamur.ai/free/en/corpora/school/biology/64-cells-bones-and-muscles/15/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/64-cells-bones-and-muscles/)